Search Results for: clear-cell variant of squamous-cell carcinoma

Histologic Diagnosis of Inflammatory Skin Diseases

Hailey-Hailey disease

…bsp; Cooley JE, Briggaman RA, Cronce DJ, Banes AJ, O”Keefe EJ. Hailey-Hailey disease keratinocytes: Normal assembly of cellcell junctions in vitro. J Invest Dermatol 1996;107:877-81. Dhitavat J, Fairclough RJ, Hovnanian A, Burge SM. Calcium…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…pemphigus foliaceus, pemphigus erythematosus, and fogo selvagem, and from staphylococcal scalded-skin syndrome. Acantholytic cells can be seen atop the base of the blister, to wit, the uppermost part of the spinous zone. If bacteria are demonstrated…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Lymphocytic Infiltration of Jessner?

…pression of discoid lupus erythematosus when the reticular dermis houses formidable mucin, but neither eosinophils or plasma cells. In our view, lymphocytic infiltration of Jessner and Kanof simply is tumid lupus erythematosus. “Although many…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Malignant Spitz Nevus?

…ns of melanocytes. Every “metastasizing Spitz nevus” is a melanoma misdiagnosed as a Spitz nevus. “Spindle cell and epithelioid cell nevi with atypia and metastasis (malignant Spitz nevus) . . . At the Armed Forces Institute of…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Dandruff a Disease?

…dandruff is simply the visible gross expression of the “stratum disjunctum.” It is constituted of orthokeratotic cells—and of those cells alone. Dandruff is devoid of any signs of an inflammatory process, such as parakeratosis of…