Search Results for: reed\'s nevus

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Overlap Syndromes?

…time, skin lesions with clinical, histological, and/or immunological features typical of both diseases.” Mobini N, Toussaint S, Kamino H. Noninfectious erythematous, papular, and squamous diseases. In: Elder DE, Elenitsas R, Johnson BL, et…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Dermatofibroma?

…ies, which, mainly imbedded in the skin, is only rarely and little elevated over the surface, and never shows extensive processes. …These fibromata develop from severe traumata (blows, bites) or around foreign bodies (splinters). They grow…

Histologic Diagnosis of Inflammatory Skin Diseases

Kimura’s disease

…and tumors, some gigantic, above which the skin appears normal Course Protracted Findings histopathologic Fully developed Massive nodular and diffuse infiltrate of lymphocytes and eosinophils throughout the reticular dermis and subcutaneous tissue…

Multiple painful brownish plaques associated with local hyperhidrosis

Multiple painful brownish plaques associated with local hyperhidrosis

…rine angiomatous hamartoma is a rare hamartomatous lesion characterized by proliferation of eccrine glands and small blood vessels, and occasionally other elements. It generally arises congenitally or later in childhood, as solitary or multiple…

Histologic Diagnosis of Inflammatory Skin Diseases

Erythema figuratum

signations, among them being the “deep type” of erythema annulare centrifugum (Darier), deep gyrate erythema (Bressler), and palpable migratory and arciform erythema (Clark). Differential diagnosis clinical Erythema annulare centrifugum…

Differential Diagnosis in Dermatopathology

Lymphomatoid papulosis vs. Mycosis fungoides, plaque

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,…

Histologic Diagnosis of Inflammatory Skin Diseases

Destombes-Rosai-Dorfman disease

Destombes-Rosai-Dorfman disease Synonyms Rosai-Dorfman disease Rosai-Dorfman histiocytosis Sinus histiocytosis with massive lymphadenopathy Presentation stereotypical Age and sex Usually in males under 25 years of age Distribution of lesions

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…1; and evidences of karyophagocytosis common 18. No nuclear “dust” 19. Neutrophils in the lumen of small blood vessels 19. No neutrophils in the lumen of blood vessels 20. Blood vessels have thick walls and plump endothelial cells 20. No…

The ball SITE sign: ball sports-induced targetoid erythema in a racquetball player

The ball SITE sign: ball sports-induced targetoid erythema in a racquetball player

…describe a girl with targetoid erythema following impact of a racquetball on her flank and back and to review other sports associated with this response to skin injury. Methods: PubMed was used to search the following terms, separately and in…

Differential Diagnosis in Dermatopathology

Discussions

…estionably atypical lymphocytes, a diagnosis of lymphomatoid papulosis cannot be made. Some lymphocytes in a response to an assault by an arthropod may be large, but, as a rule, they are not overtly pleomorphic, which is the sine qua non for…