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Dermatology Practical & Conceptual

The dermatoscopic universe of basal cell carcinoma

…differentiate BCC from other skin tumors and inflammatory skin diseases [1,9,13]. The reported diagnostic accuracy of dermatoscopy for BCC diagnosis has been reported to range from 95% to 99%, depending on BCC subtype and the set of diseases included…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Papulosquamous Diseases?

…or less scaling. The diagnosis of the members of this group of diseases is often apparent on simple inspection, or they may be differentiated by various laboratory studies which are readily available. Because these diseases are encountered with consi…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Endothelial Swelling?

…pityriasis 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 i…

Differential Diagnosis in Dermatopathology


…hytic 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…

Histologic Diagnosis of Inflammatory Skin Diseases


Pheohyphomycosis Synonyms Phaeomycotic cyst Subcutaneous pheaohyphomycosis Presentation stereotypical Age and sex No predilection for age or sex, but more common in individuals who reside in the tropics; most of those persons not immunocompromised…

Dermatology Practical & Conceptual

Spitz and Reed nevi: acquired or congenital?

Objective Although conflicting with the concept of nevi being hamartomas, to date, Spitz and Reed nevi have been regarded as acquired melanocytic nevi, whereas many other types have already been accepted as being congenital. Here, the reader will fi…

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