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Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Lentigo?

…sis. As the name solar lentigo denotes, the tan macule, later papule or plaque, develops only in skin that has been injured severely by sunlight as evidenced by the presence in the dermis of abundant elastotic material. Labial lentigo refers to a dis…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Inverted Follicular Keratosis, Tricholemmoma, and Desmoplastic Tricholemmoma?

…of the body. These lesions are characterized clinically by a papule or nodule, practically always single and usually projecting from the surface. The character of the cells comprising the central cellular mass ranges from what is natural for a cell…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Hyalin?

…ized, must be fiction, too. In juvenile hyaline fibromatosis, papules, nodules, and tumors develop in the skin and mucous membranes as a result of aberration in synthesis of glucosaminoglycans, that being the material referred to in this instance as…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Figurate Erythemas?

…specificity. It begins as reddish macules that rapidly become papules that enlarge by expansion centrifugally to assume arcuate, annular, and polycyclic outlines. The advancing rim, elevated and red, is typified further by tiny collarettes of scale p…

Histologic Diagnosis of Inflammatory Skin Diseases

Mycosis fungoides

…a characteristic shape. Individual lesions Macules, patches, papules, and plaques, often scaly to varying extent, sometimes tending to display wrinkling of the surface in a manner that has been likened to that of cigarette paper; in some patients, n…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Palpable Purpura?

…tic vasculitis may not be purpuric; often they are urticarial papules known wrongly as “urticarial vasculitis.” In actuality, urticarial vasculitis is merely the nonpurpuric papular stage of leukocytoclastic vasculitis. Another flaw in th…

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