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Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Mycosis Fungoides—Increasing in Incidence?

…ludes the following: SPP and syringolymphoid hyperplasia with alopecia. Latent Lymphoma. . . . This category includes large plaque parapsoriasis, self-regressing CTCL, and lymphomatoid papulosis. Definite Low-Grade Malignant Lymphoma. . . . This cate…

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…

Differential Diagnosis in Dermatopathology

Discussions

…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…

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…

Differential Diagnosis in Dermatopathology

Discussions

…urrently. When “linear scleroderma” appears as an alopecia and on a scalp, sometimes extending onto the skin of the face, it is dubbed “en coup de sabre” (saber stroke), and when it affects half a face it is termed “faci…

Differential Diagnosis in Dermatopathology

Discussions

…the dermis, and the subcutaneous fat. The lesion tends to be alopecia. Lesions stereotypical of sebaceous hyperplasia are numerous, small, slightly yellowish papules with a delicate rim and a central depression, they being situated mostly on the for…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Churg-Strauss Granuloma and Allergic Granulomatosis?

…Epithelial Mucinosis, e.g., Granular Cellularity, e.g., Alopecia mucinosa expression of mycosis fungoides Granular-cell schwannoma Angiolymphoid hyperplasia with eosinophils Fibrous papule of the face Incidental finding in a variety…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…ollicles are present within the section of tissue; no sign of alopecia 7. No or few normal folliculo-sebaceous units are present within a section usually; alopecic 8. No apocrine glands within the lesion 8. Apocrine glands and ducts, often numerous…

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