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Differential Diagnosis in Dermatopathology

Discussions

…iform eruption. Early evolving papules and papulovesicles of herpes simplex and vaccinia at times may be marked by a central dell, i.e., umbilications, that develops consequent to loss of the scaffolding of normal epidermis secondary to acanthosis….

Differential Diagnosis in Dermatopathology

Discussions

…spread (in photodistribution sometimes) papular form of discrete, tiny, smooth-surfaced papules, many of which have a subtle dell in their center. One type, often encountered on a leg, is composed of patches of hyperpigmentation at the periphery of…

Differential Diagnosis in Dermatopathology

Discussions

…fferentiated readily from papular mucinosis because the papules of that expression of granuloma annulare often have a subtle dell in the center of them, are not hard, and often are distributed on sites that are exposed to sunlight. Patients with…

Hypopigmented atypical Spitzoid neoplasms (atypical Spitz nevi, atypical Spitz tumors, Spitzoid melanoma): a clinicopathological update

Hypopigmented atypical Spitzoid neoplasms (atypical Spitz nevi, atypical Spitz tumors, Spitzoid melanoma): a clinicopathological update

Introduction The clinicopathologic classification, diagnosis, and management of Spitzoid melanocytic lesions is one of the most problematic topics in dermato-oncology and dermatopathology. After earlier anecdotal reports [1,2], the controversial…

Differential Diagnosis in Dermatopathology

Discussions

…linically and histopathologically from solitary trichoepithelioma under consideration here, it being a papule with a central dell grossly and being composed of columns of trichoblasts as viewed by conventional microscopy clinically or…

Differential Diagnosis in Dermatopathology

Discussions

…be misinterpreted clinically as a basal-cell carcinoma because both conditions have a slightly elevated border and a central dell. In basal-cell carcinoma, however, the depression in the center usually represents an erosion or ulceration, whereas in…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…cell 1. Relatively flat-topped plaque in early stage; papillated or digitated plaque in fully developed and later stages; no dell 2. Basket-woven pattern of the stratum corneum 2. Lamellate and compact pattern of the stratum corneum 3….