Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Blaschkitis?

“Blaschkite de l’adulte is considered a new disease entity . . . described by Grosshans and Marot in their report of relapsing acquired unilateral skin lesions following Blaschko’s lines.” Megahed et al. Acquired relapsing…

Dermatology Practical & Conceptual

The dermatoscopic universe of basal cell carcinoma

…s discrimination from other skin tumors and inflammatory skin diseases. Furthermore, upcoming evidence suggests that the method is also useful for the management of the tumor, since it provides valuable information about the histopathologic subtype,…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Papulosquamous Diseases?

…tyriasis rosea Pityriasis rubra pilaris Seborrheic dermatitis Gianotti-Crosti syndrome” Fox BJ, Odom RB. Papulosquamous diseases: a review. J Am Acad Dermatol 1985;12:597-624. “The papulosquamous diseases, characterized by scaling papu…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Endothelial Swelling?

…ityriasis lichenoides et varioliformis acuta, Mucha-Habermann disease) “Variable degrees of papillary dermal edema, endothelial swelling, and extravasated erythrocytes” (177). Gianotti-Crosti syndrome “There is a mild to moderate in…

Differential Diagnosis in Dermatopathology

Discussions

…ytic infection, reaction to an insect “bite”, and Gianotti-Crosti disease also may be associated with findings that resemble those of mycosis fungoides. Dyshidrotic dermatitis, “id” reactions, and even psoriasis on volar skin…

Dermatology Practical & Conceptual

Spitz and Reed nevi: acquired or congenital?

…ol. 1995;17(6):594-8. 35. Betti R, Inselvini E, Palvarini, M, Crosti C. Agminated intradermal Spitz nevi arising on an unusual speckled lentiginous nevus with localized lentiginosis: a continuum? Am J Dermatopathol. 1997;19(5):524-7. 36. BÖer A, Wolt…

Histologic Diagnosis of Inflammatory Skin Diseases

Phaeohyphomycosis

…st, e.g., increased susceptibility in those with debilitating diseases or immunodeficiency and certain occupations such as farmers, gardeners, and those who work in the fields without shoes or gloves. Many patients with primary cutaneous phaeohyphomy…