Search Results for: scabies

Histologic Diagnosis of Inflammatory Skin Diseases

Selection of the Site

Because many inflammatory diseases of the skin, e.g., dermatitis herpetiformis, nummular dermatitis, scabies, Grover’s disease, and eosinophilic folliculitis, are exquisitely pruritic, scratching is an inevitable consequence, and signs of…

Histologic Diagnosis of Inflammatory Skin Diseases

Confusing Terms (to be Avoided Scrupulously)

…y and specificity. In short, there is no true pseudolymphoma. What is called pseudolymphoma in one instance could be nodular scabies, in another circumstance an expression of borreliosis, and in a third the response to a bite of a tick. That being…

Histologic Diagnosis of Inflammatory Skin Diseases

Errors and Reasons

…ignated, imprecisely, pseudolymphoma hardly ever is a consequence of the “bite” of an insect; the female mite of scabies may induce nodules of lymphocytes and eosinophils (so-called nodular scabies) and the bite of a tick may bring into…

Histologic Diagnosis of Inflammatory Skin Diseases

Parasitic infestations

…chinococcosis of the liver. J Am Acad Dermatol 1996; 34: 873-77. Falk ES, Eide TJ. Histologic and clinical findings in human scabies. Int J Dermatol 1981;20:600–05. Fernandez N, Torres A, Ackerman AB. Pathologic findings in human scabies. Arch…

Differential Diagnosis in Dermatopathology

Urticarial reaction to an arthropod assault vs. Urtica

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). Sometimes nodules are present, especially in the…

Trends in dermoscopy use in the UK: results from surveys in 2003 and 2012

Trends in dermoscopy use in the UK: results from surveys in 2003 and 2012

…the most common indications for use (98.5% and 88% respectively). Other clinical scenarios where dermoscopy was used include scabies (66% of respondents), hair and nail disorders (57% and 53% respectively) and inflammatory lesions (27%). Dermoscopy…

Differential Diagnosis in Dermatopathology

Discussions

…replete with lymphoid follicles. Nodular lesions of scabies have denser and deeper infiltrates than conventional papules of scabies in which mites and their products, such as fecal nuggets, are housed in burrows in the cornified layer. Other…

Histologic Diagnosis of Inflammatory Skin Diseases

Atopic dermatitis

…individual lesions of it are tiny, red, slightly scaly papules that may become confluent to form slightly elevated plaques. Scabies favors interdigital webs and other intertriginous zones, and often is typified by the presence of burrows….