category_1_x_skin_disease.id,category_1.id,category_1.ts,category_1.title,skin_disease.id,skin_disease.ts,skin_disease.title,skin_disease.content 1,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",1,"2018-01-25 01:07:13",Foreword, 2,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",2,"2018-01-25 01:07:13",Preface, 3,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",3,"2018-01-25 01:07:13","Morphology: Definition and Images", 4,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",4,"2018-01-25 01:07:13","Acanthosis Nigricans", 5,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",5,"2018-01-25 01:07:13","Acne Vulgaris", 6,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",6,"2018-01-25 01:07:13","Allergic Contact Dermatitis","Allergic contact dermatitis is an inflammatory process induced by direct contact of the skin of a sensitized individual to an allergen." 7,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",7,"2018-01-25 01:07:13","Allergic (Leukocytoclastic) Vasculitis","A systemic inflammatory process involving venules by deposits of fibrin within their wall in conjunction with neutrophils and nuclear “dust” of neutrophils in the dermis and, at times, the subcutaneous fat." 8,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",8,"2018-01-25 01:07:13",Alopecias,"Loss of hair attributable either to the effects of inflammatory cells on follicles or to physiological or mechanical factors in which inflammatory cells play no role." 9,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",9,"2018-01-25 01:07:13",Amyloidosis,"A condition in which deposits of a fibrillary protein (amyloid) appear in the skin as macules, papules, and nodules consequent to the effects of local factors, or as patches (which may be purpuric), plaques, nodules, and tumors as a result of a systemic disease like myeloma." 10,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",10,"2018-01-25 01:07:13","Arthropod Assaults","Papules, nodules, vesicles, and sometimes bullae that develop in response to “bites” of arthropods, among the most common offenders being mosquitoes, bedbugs, and mites of scabies." 11,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",11,"2018-01-25 01:07:13","Atopic Dermatitis and Its Analogues (lichen simplex chronicus, prurigo nodularis, picker's nodules, and erosions and ulcerations secondary to excoriation)","A condition of persons of any age, but particularly children with a genetic proclivity for allergic rhinitis and conjunctivitis, and allergic asthma." 12,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",12,"2018-01-25 01:07:13","Atypical Mycobacterial Infections", 13,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",13,"2018-01-25 01:07:13","Basal Cell Carcinoma","A malignant neoplasm made up of abnormal germinative cells analogous to those that compose the folliculosebaceous-apocrine germ in an embryo and that usually manifests clinically as a papule or nodule which may become ulcerated." 14,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",14,"2018-01-25 01:07:13","Borreliosis (Lyme Disease)","An inflammatory disease caused by the spirochete Borrelia burgdorferi that manifests itself in the skin as erythematous lesions with figurate shapes." 15,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",15,"2018-01-25 01:07:13","Bullous Pemphigoid and Herpes Gestationis","An inflammatory disease of older people; signs include widespread erythematous macules and patches, urticarial papules and plaques, and vesicles and bullae, the blisters often arising on urticarial plaques." 16,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",16,"2018-01-25 01:07:13",Candidiasis,"An inflammatory disease caused by the yeast Candida albicans and manifested clinically as erythematous papules and pustules that may become confluent to form plaques in the case of the former and erosions in the case of the latter." 17,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",17,"2018-01-25 01:07:13","Cysts and Cystic Hamartomas","Papules, nodules, and tumors that, on gross examination, are usually skin colored and, on histopathologic examination, consist of an epithelium-lined sac that contains fluid, cells, or both in the case of true cysts and of cysts that are associated with other epithelial elements of adnexa in the case of cystic hamartomas." 18,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",18,"2018-01-25 01:07:13","Darier's Disease","A genetically determined disorder in which numerous closely set keratotic papules are present on the skin, especially the trunk, in nail units, and on mucous membranes, particularly the palate, but also rarely in other parts of the gastrointestinal tract." 19,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",19,"2018-01-25 01:07:13","Deep Fungal Infections","Cutaneous and subcutaneous lesions, usually nodules, that have become keratotic, crusted, and ulcerated as a consequence of infection by a variety of deep fungi, i.e., fungi situated in the dermis and subcutis, some of which may be disseminated to other organs." 20,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",20,"2018-01-25 01:07:13","Dermatitis Herpetiformis","An inflammatory process characterized by symmetrical distribution, especially on the skin of the scalp, overlying the scapulae and the sacrum, on the buttocks, and on the extensor surface of the extremities, of clusters of urticarial papules, papulovesicles, and..." 21,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",21,"2018-01-25 01:07:13",Dermatofibroma,"An inflammatory process that develops secondary to trauma, usually in the form of a penetrating injury or rupture of a follicle, and that proceeds through stages of granulation tissue with numerous extravasated erythrocytes, granulomatous inflammation, and fibrosis." 22,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",22,"2018-01-25 01:07:13","Dermatofibrosarcoma Protuberans","The term, dermatofibrosarcoma protuberans (DFSP), was coined by Hoffman in 1925 to signify a protuberant, often multinodular cutaneous tumor that showed progressive growth." 23,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",23,"2018-01-25 01:07:13",Dermatomyositis,"An inflammatory disease of children and adults that tends to involve skin and skeletal muscle mostly, the findings in the skin being patches with the color of heliotrope, especially in the periocular region." 24,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",24,"2018-01-25 01:07:13",Dermatophytosis,"An inflammatory process caused by superficial fungi, i.e., fungi situated superficially in the cornified layer and in other cornified structures, and expressed clinically as smooth-surfaced papules, scaly papules, scaly plaques, nodules, pustules, vesicles, and bullae." 25,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",25,"2018-01-25 01:07:13","Drug Eruptions","An inflammatory process that results from the effects of a drug administered systemically, e.g., by ingestion, inhalation, injection, or application rectally, and manifested usually by lesions distributed widely and symmetrically." 26,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",26,"2018-01-25 01:07:13","Dyshidrotic Eczema (Pompholyx, Palmoplantar Eczema)","Dyshidrotic eczema is a palmoplantar spongiotic dermatitis of multifactorial etiology (atopy, both irritant and allergic contactants, drug- or UV-induced, idiopathic, etc.) arising on the sides of the fingers, and less commonly the toes, as well as more variably arrayed on the palms and soles." 27,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",27,"2018-01-25 01:07:13","Epidermal Nevi","Epidermal nevi are hamartomas in which the epidermis is abnormal, being hyperkeratotic, and in which lesions are aligned along Blaschko’s lines." 28,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",28,"2018-01-25 01:07:13","Epidermolysis Bullosa","A constellation of unrelated blistering diseases, many of them determined genetically but some of them not, that involve skin and sometimes mucous membranes, the blisters often developing after trauma and sometimes resulting in scarring and deformity." 29,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",29,"2018-01-25 01:07:13",Erysipelas,"An inflammatory process caused by one of several bacteria, especially Streptococcus pyogenes, and manifested clinically as erythematous patches and erythematous edematous plaques with scalloped outlines upon which vesicles and bullae, some of them hemorrhagic, may develop." 30,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",30,"2018-01-25 01:07:13","Erythema Annulare Centrifugum","An inflammatory disease characterized by lesions with arcuate, annular, and serpiginous outlines and by collarettes of scale on the inner margin of lesions that extend outward in centrifugal fashion, disappearing in months as a rule in the absence of treatment." 31,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",31,"2018-01-25 01:07:13","Erythema Multiforme","An inflammatory process that tends to involve mucous membranes, as well as skin, and of the latter the acra especially. The stereotypical presentation is lesions composed of concentric rings (“iris” and “target” type)." 32,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",32,"2018-01-25 01:07:13","Erythema Nodosum", 33,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",33,"2018-01-25 01:07:13","Extramammary Paget's Disease and Mammary Paget's Disease","Extramammary Paget’s disease is an apocrine carcinoma that begins within the epidermis and presents itself clinically as a patch or a subtle plaque that extends centrifugally for many years before becoming a readily discernible thick plaque, a finding that signifies involvement by the carcinoma of the dermis, too." 34,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",34,"2018-01-25 01:07:13","Factitious Dermatitis","Dermatitis (and/or panniculitis) induced artificially and deliberately by a patient and characterized clinically by findings unlike those of any “authentic” disease, for example, by lesions that have sharply angulated margins, lesions that are artificially linear..." 35,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",35,"2018-01-25 01:07:13",Fibromas,"Largely exophytic noninflammatory papules or nodules of various kinds made up mostly of collagen." 36,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",36,"2018-01-25 01:07:13","Fibrous Papule of the Face and Analogues of It","A hamartoma of mostly follicular elements that presents itself clinically as a firm, skin-colored papule. It usually occurs on the nose, but it can occur anywhere on the face." 37,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",37,"2018-01-25 01:07:13","Folliculitis (Infundibulitis) and Pseudofolliculitis (Pseudoinfundibulitis)","Infundibulitis, usually a suppurative inflammatory process that involves infundibula, is either noninfectious, as in the case of pustules of acne vulgaris, or infectious, as in the case of pustules caused by Staphylococcus aureus." 38,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",38,"2018-01-25 01:07:13","Granuloma Annulare","An inflammatory, i.e., granulomatous, process that usually takes the form of papules which in constellation often assume annular, arcuate, and serpiginous shapes." 39,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",39,"2018-01-25 01:07:13","Grover's Disease","An inflammatory process characterized by a pruritic, papular, and, uncommonly, papulovesicular eruption of unknown cause affecting persons over 40 years of age (and usually over 60), often in photodistribution, but sometimes widespread." 40,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",40,"2018-01-25 01:07:13","Hailey-Hailey Disease","A vesiculobullous disease in which blisters tend to be flaccid and localized to intertriginous regions, especially, the neck, axillary, inframammary, and inguinal ones. The disease is notoriously refractory to therapy." 41,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",41,"2018-01-25 01:07:13","Hemangiomas, Vascular Malformations, and Ectasias","An hemangioma is a benign neoplasm of blood vessels, a vascular malformation is an aberration in development of one or more major vascular structures, and an ectasia is a dilation of a preexisting end vessel." 42,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",42,"2018-01-25 01:07:13","Herpes Simplex, Zoster, and Varicella","Conditions caused by infection with different strains of herpesvirus and typified when fully developed by tense vesicles, herpes simplex consisting of grouped vesicles on an erythematous base, zoster being made up of vesicles, sometimes hemorrhagic ones..." 43,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",43,"2018-01-25 01:07:13","Histiocytosis X","A proliferation of abnormal Langerhans cells that may affect internal organs, e.g., the spleen, liver, and bone, sometimes with fatal outcome, as well as the skin, where lesions usually manifest themselves as purpuric papules or ulcers that may be localized (to the vulva, for example) or widespread." 44,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",44,"2018-01-25 01:07:13",Ichthyoses,"Noninflammatory scaly disorders in which polygonal gray or brown scales tend to be elevated at their periphery, causing them to appear to be separated from contiguous scales, findings that are seen in three conditions, namely, ichthyosis vulgaris (and its look-alike, acquired ichthyosis), X-linked ichthyosis, and lamellar ichthyosis." 45,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",45,"2018-01-25 01:07:13","Impetigo Contagiosa","An infectious inflammatory process that consists of pustules that resolve with crusts in at least one locus and often several loci, usually on a face, and caused by streptococci or staphylococci." 46,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",46,"2018-01-25 01:07:13","Kaposi's Sarcoma","A systemic disease, which manifests itself in the skin first as violaceous macules and patches that tend to progress to papules and plaques, and sometimes to nodules and tumors, all of which represent hyperplasia of endothelial cells." 47,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",47,"2018-01-25 01:07:13","Keratosis Pilaris/Lichen Spinulosus","Keratotic spikes that emerge from dilated ostia of infundibula and are equidistant from one another. The term keratosis pilaris refers to the phenomenon when it presents itself without any distinct arrangement of individual lesions, whereas the designation lichen spinulosus is applied to the same lesions when they are arranged in a circle." 48,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",48,"2018-01-25 01:07:13",Leishmaniasis,"An inflammatory disease caused by a trypanosome and that may involve skin and mucous membranes, as well as internal organs." 49,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",49,"2018-01-25 01:07:13",Leprosy,"An inflammatory disease caused by Mycobacterium leprae. It can involve internal organs or be localized to the skin, where its clinical presentation is dependent on the immunologic status of the host." 50,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",50,"2018-01-25 01:07:13","Lichen Nitidus","A granulomatous inflammatory process characterized clinically by closely-set, tiny, hypopigmented papules that have a predilection for the trunk, dorsa of the hands and sides of the finger, and the penis of children and young adults especially." 51,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",51,"2018-01-25 01:07:13","Lichen Planus","An inflammatory process consisting usually of violaceous papules that have a polygonal outline and flat top, and that tends to favor flexural surfaces of skin and the buccal mucosa of the oral cavity. It sometimes affects follicles and nail units as well." 52,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",52,"2018-01-25 01:07:13","Lichen Striatus","An inflammatory process that expresses itself as a cluster of closely-set smooth or scaly papules in linear array along the lines of Blaschko, and that usually resolves in months." 53,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",53,"2018-01-25 01:07:13",Lipoma,"A benign neoplasm of adipocytes that forms in the subcutaneous fat (as well as in other organs sometimes) and manifests itself clinically as either an elevated tumor or a tumor that cannot be visualized clinically, but that can be palpated, the skin overlying it in both circumstances being normal." 54,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",54,"2018-01-25 01:07:13","Livedo Vasculitis and Livedo Reticularis","A type of small-vessel vasculitis (venulitis) of the skin, occurring especially in the vicinity of the ankle, characterized at first by purpuric macules and patches that, in time, may become hemorrhagic blisters that ulcerate and heal with white, stellate scars (atrophie blanche)." 55,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",55,"2018-01-25 01:07:13","Lupus Erythematosus","Lupus erythematosus (LE) is a multisystem autoimmune connective tissue disease that can have protean effects on the skin." 56,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",56,"2018-01-25 01:07:13","Lymphomas (Other Than Mycosis Fungoides and Lymphomatoid Papulosis)","Malignant neoplasms of B-lymphocytes especially that present themselves usually as papules, nodules, and tumors, sometimes solitary but at other times numerous, and often in clusters on any anatomic site." 57,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",57,"2018-01-25 01:07:13","Lymphomatoid Papulosis","Macaulay first coined the diagnostic term “lymphomatoid papulosis” (LyP) in 1968, although the disease process was first published more than a decade earlier by Dupont and colleagues under the moniker “histiomonocytic reticulosis.”" 58,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",58,"2018-01-25 01:07:13","Melanocytic Nevi and Melanotic Macules","Hamartomas (“congenital” melanocytic nevi) and benign neoplasms (“acquired” melanocytic nevi) of various specific types, all of which are composed of abnormal melanocytes and manifested clinically as lesions of different colors, shapes, and sizes, among them, macules and patches, papules and plaques, and nodules and tumors." 59,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",59,"2018-01-25 01:07:13",Melanoma,"A malignant neoplasm of melanocytes that, in the skin, begins as a macule and may become a patch or a papule. A flat lesion of melanoma tends to be asymmetrical, poorly circumscribed with a scalloped, jagged, or notched border, and variegate, mostly shades of brown." 60,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",60,"2018-01-25 01:07:13",Melasma,"Pigmented macules and patches mostly in the middle third of the face, vertically and horizontally, distributed symmetrically and occurring mainly in postpubescent women as a consequence of the combined effects of estrogen and ultraviolet light on melanocytes." 61,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",61,"2018-01-25 01:07:14","Molluscum Contagiosum","A hyperplasia of infundibular epithelium consequent to the effects of infection by a pox virus and manifesting itself clinically as one or more skin-colored, smooth-surfaced, dome-shaped papules, each with a central umbilication filled with horny material." 62,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",62,"2018-01-25 01:07:14","Mucha-Habermann Disease","An inflammatory process in which lesions may erupt (pityriasis lichenoides et varioliformis acuta) and evolve rapidly from erythematous macules and papules to become purpuric papules, papulovesicles that may be hemorrhagic, ulcers, eschars, and, eventually, scars." 63,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",63,"2018-01-25 01:07:14","Mycosis Fungoides","A systemic lymphoma of T-lymphocytes that manifests itself first in the skin as macules and then patches that often are scaly." 64,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",64,"2018-01-25 01:07:14","Necrobiosis Lipoidica","A granulomatous inflammatory process characterized clinically by patches that become yellowish plaques and that in time resolve with atrophy and telangiectases. The condition usually occurs in persons with diabetes." 65,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",65,"2018-01-25 01:07:14",Neurofibromatosis,"A constellation of lesions that represent disorders of melanocytes (e.g., axillary “freckles” and café au lait “spots”) and of proliferations of Schwann cells (e.g., papules, nodules, and tumors of neurofibroma)." 66,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",66,"2018-01-25 01:07:14","Nevus Sebaceus","A hamartoma of epidermis, epithelial structures of adnexa, and presumably dermal elements, typified, when fully formed, by a papillated or verrucous yellowish plaque situated usually on the scalp." 67,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",67,"2018-01-25 01:07:14","Nodular Vasculitis","An arteritis in the subcutaneous fat manifested clinically at first by one or more red nodules that, in time, become ulcerated and heal with scars, usually on the posterior aspect of the legs of short, thick-legged women." 68,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",68,"2018-01-25 01:07:14","Nummular Dermatitis","An inflammatory process of unknown cause consisting of pruritic coin-shaped lesions of different sizes and made up of vesicles that soon are scratched away, leaving erosions, ulcerations, and crusts as residua." 69,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",69,"2018-01-25 01:07:14","Palmar and Plantar Keratoderma","A keratotic condition of the palms and soles, inherited usually, but sometimes acquired, in which involvement may be diffuse, circumscribed (including striate), or punctate." 70,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",70,"2018-01-25 01:07:14","Pemphigus Foliaceus","A blistering inflammatory disease in which acantholysis occurs in the upper part of the spinous zone or granular zone of the epidermis, the result of the process being flaccid blisters that give way to erosions and crusts accompanied by erythema." 71,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",71,"2018-01-25 01:07:14","Pemphigus Vulgaris","A blistering disease of skin and mucous membranes that presents itself in the skin first as flaccid bullae that soon become eroded, and in mucous membranes as erosions, hemorrhagic crusts, or both. If widespread and untreated, the disease can be fatal." 72,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",72,"2018-01-25 01:07:14",Pernio,"An inflammatory process that involves the acra, in particular fingers and toes, and sometimes the thighs with bluish red papules and nodules, which invariably is induced by cold. Chilblain is a synonym for pernio, which usually represents lupus erythematosus." 73,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",73,"2018-01-25 01:07:14","Persistent Pigmented Purpuric Dermatitis","An inflammatory process, but not a vasculitis, that involves the legs especially with purpuric macules and subtle papules (Schamberg’s disease), lichenoid papules (lichenoid purpura of Gougerot-Blum), and scaly papules (eczematid-like purpura of Doucas and Kapetanakis), all of which seem to be variants of the same basic pathologic process." 74,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",74,"2018-01-25 01:07:14","Photoallergic Dermatitis and Phototoxic Dermatitis","An inflammatory process that results from either topical or systemic sensitization coupled with the effects of ultraviolet light. The lesions, all of which occur in photodistribution, are macules, papules, and blisters that resolve with crusts." 75,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",75,"2018-01-25 01:07:14","Pityriasis Rosea","An inflammatory process characterized by oval lesions marked at the periphery by collarettes of scale and distributed usually along lines of cleavage on the trunk especially, but in a general range from “the neck to the knees.”" 76,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",76,"2018-01-25 01:07:14","Pityriasis Rubra Pilaris","An inflammatory process in which lesions present themselves clinically as red macules and subtle scaly papules. They soon become so confluent that there is widespread redness and scaling punctuated by islands of skin that ostensibly are spared and..." 77,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",77,"2018-01-25 01:07:14","Polymorphous Light Eruption","An inflammatory process that appears on skin exposed to sunlight, especially the face, neck, sternal region, arms, and dorsa of hands, and consists mostly of edematous papules that may become confluent to form plaques, and at times, papulovesicles." 78,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",78,"2018-01-25 01:07:14",Porokeratosis,"A constellation of conditions that assumes various forms clinically but whose most dependable denominator in common (the exception being the punctate manifestation) is a keratotic ring around a central zone of atrophy, e.g., in a congenital expression that takes the form..." 79,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",79,"2018-01-25 01:07:14","Porphyria Cutanea Tarda","A disease manifested chiefly in the skin by vesicles and bullae that appear on sites of trauma, especially the face and dorsa of the hands, often in conjunction with macular hyperpigmentation and hypertrichosis of a face and sclerodermoid changes on a chest." 80,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",80,"2018-01-25 01:07:14","Pruritic Urticarial Papules and Plaques of Pregnancy","An inflammatory process in pregnant women near term that consists of urticarial papules and plaques, especially on the trunk and particularly in association with lesions of striae atrophicantes, the lesions disappearing shortly after parturition." 81,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",81,"2018-01-25 01:07:14",Psoriasis,"Psoriasis is a chronic, immune-mediated polygenic skin disorder affecting approximately 2% of the population. The pathogenesis of psoriasis features an interplay between adaptive and innate immunity centered on interleukin 23 and T-helper 17 cells (IL23/Th17 pathway)." 82,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",82,"2018-01-25 01:07:14","Pyoderma Gangrenosum","An inflammatory process that often begins as a suppurative folliculitis manifested clinically as pustules. It rapidly extends to become ulcers marked at their periphery by boggy tissue." 83,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",83,"2018-01-25 01:07:14","Pyogenic Granuloma","A red, often ulcerated, boggy papule that represents a hyperplasia of small cutaneous vessels which are “fed” by an arteriole in the subcutaneous fat, the lesion resulting consistently from external trauma, usually in the form of a puncture or a yank of a “hang nail.”" 84,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",84,"2018-01-25 01:07:14",Rosacea,"A papular and pustular inflammatory process that is centered in follicles and is distributed mostly in the middle third of the face in both vertical and horizontal directions." 85,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",85,"2018-01-25 01:07:14",Sarcoidosis,"An inflammatory (granulomatous) process that involves, among other organs, the lungs, lymph nodes, and skin, and the latter in the form usually of papules, sometimes in arcuate and annular configuration, especially on a face, but also on the extremities, and often in pre-existing scars." 86,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",86,"2018-01-25 01:07:14",Scabies,"An inflammatory process caused by the acarus Sarcoptes scabiei and consisting of papules, papulovesicles, papulopustules, and vesicles, some arranged in linear or curvilinear tracks (burrows)." 87,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",87,"2018-01-25 01:07:14","Scars, Keloids, and Anetodermas","A type of fibrosing inflammation characterized clinically by lesions that at first are elevated and that do not extend beyond the exact site of injury and that in time tend to shrink, sometimes even becoming atrophic." 88,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",88,"2018-01-25 01:07:14",Sclerodermas,"A generic term for at least two different inflammatory diseases that have in common hardening of the skin by virtue of thickening of bundles of collagen in the dermis and subcutis." 89,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",89,"2018-01-25 01:07:14","Sebaceous Gland Hyperplasia","An enlargement of normal pre-existing sebaceous lobules on the face, the forehead, cheeks, and nose in particular, that results in lesions seen clinically to consist of a rim of yellow papules around a central dell that represents a dilated ostium of a follicle." 90,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",90,"2018-01-25 01:07:14","Seborrheic Dermatitis","An inflammatory process that consists of tiny papules covered by prominent scales and localized typically to the “seborrheic region,” namely, scalp, forehead, eyebrows, malar eminences, paranasal and nasolabial folds, and retroauricular zone, and sometimes the chest and axillary vault." 91,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",91,"2018-01-25 01:07:14","Seborrheic Keratosis, Including Solar Lentigo","A benign neoplasm of keratinocytes that consists of pigmented macules, papules, and plaques distributed on sun-exposed sites for a solar lentigo and the reticulated type of seborrheic keratosis, which represents a later stage of solar lentigo, and..." 92,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",92,"2018-01-25 01:07:14","Septic Vasculitis","A small-vessel vasculitis characterized clinically by vesiculopustules on an erythematous base, purpuric macules and papules, and hemorrhagic bullae, and histopathologically by thrombi within venules, a consequence of sepsis." 93,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",93,"2018-01-25 01:07:14","Squamous Cell Carcinoma","A malignant neoplasm of keratinocytes that when present as a keratotic macule or papule on skin damaged badly by sunlight is referred to as solar keratosis." 94,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",94,"2018-01-25 01:07:14","Stasis Changes and Venous Ulcers","Alterations in the skin and subcutaneous fat, such as pigmentation and induration, secondary to the effects of long-term stasis, and ulcers that occur on the lower part of the legs as a consequence of the effects, combined, of incompetent valves of veins and thrombosis within veins situated deep." 95,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",95,"2018-01-25 01:07:14","Sweet's Syndrome","An inflammatory process expressed clinically by markedly edematous acuminate papules and edematous plaques situated mostly on the face, upper part of the trunk, and arms, especially the hands, and often accompanied by fever and leukocytosis." 96,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",96,"2018-01-25 01:07:14",Syphilis,"An inflammatory process, caused by the spirochete Treponema pallidum, that tends to evolve through three stages, namely, primary (typified usually by a solitary chancre), secondary (characterized by widespread macules and papules on skin and mucous membranes..." 97,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",97,"2018-01-25 01:07:14",Syringoma,"A benign neoplasm of apocrine ductal nature within the upper half of the dermis that manifests itself clinically as tiny, smooth, skin-colored, round or oblong papules that usually are situated in periorbital skin, but may be seen on other sites, such as the neck or genitalia, or even be widespread." 98,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",98,"2018-01-25 01:07:14","Tinea Versicolor","An inflammatory disease caused by the fungus Malassezia furfur, the organisms of which proliferate in a slightly thickened stratum corneum. It manifests clinically as white or light brown macules that may be discrete or confluent, on the trunk especially." 99,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",99,"2018-01-25 01:07:14",Tuberculosis,"An inflammatory process caused by Mycobacterium tuberculosis. In the skin, it may be primary as a consequence of direct inoculation (tuberculosis verrucosa cutis) or secondary to a focus of tuberculosis in another organ (the lung for lupus vulgaris, and bones, as well as lymph nodes, for scrofuloderma)." 100,1,"2018-01-25 01:04:43","A Clinical Atlas of 101 Common Skin Diseases",100,"2018-01-25 01:07:14",Urticaria,"An inflammatory process that consists of transient, slightly erythematous, edematous papules and plaques characterized by a pseudopod-like border."