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Dermatology Practical & Conceptual

Saved by step sections: an unusual presentation of basal cell carcinoma

…ning and scalp scaling, which was interpreted as androgenetic alopecia associated with seborrheic dermatitis. She was otherwise healthy with no other significant skin abnormalities. Mycologic tests (direct examination with potassium hydroxide and cul…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Perforating Diseases?

…origin Elimination of Mucinous Material      Myxoid cyst      Alopecia mucinosa      Perforating papular mucinosis      Perforating myxoid cyst Elimination of Amyloid      Perforating cutaneous amyloidosis” Shames BS, Fretzin D. Disorders of c…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Tricho-, pilo-, folliculo- ?

…au M. Alopecie par gratage: trichomanie ou trichotillomanie. [Alopecia through scratching out: Trichomania or trichotillomania]. Ann Dermatol Syphiligr 1889;10:440. “Tricho-adenom (organoides follikel-hamartom).” Nikolowski W. Tricho-Ad…

Differential Diagnosis in Dermatopathology


…tially, lichen planopilaris, which may terminate in permanent alopecia, comes into being. Lesions of lichen planus also may affect mucous membranes and nail units; at those sites, findings histopathologic diagnostic of lichen planus are identifiable….

Histologic Diagnosis of Inflammatory Skin Diseases

Lupus erythematosus

…telangiectases. A residuum of such lesions on a scalp may be alopecia that is permanent. Variations clinical Cutaneous manifestations Discoid lupus erythematosus Very acute: “butterfly blush” and analogues of it Acute Subacute, includin…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…lanophages in the upper part of the dermis the exception to the latter being poikilodermatous lesions 9. Permanent alopecia in some longstanding lesions 9. No alopecia 10. Extensive solar elastosis common 10. Extensive solar elastosis uncommon…

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