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Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Inverted Follicular Keratosis, Tricholemmoma, and Desmoplastic Tricholemmoma?

…sis (Elson B. Helwig) tricholemmoma (John T. Headington), and desmoplastic tricholemmoma (Daniel Santa Cruz) as distinctive cutaneous neoplasms. We aver that those three conditions are not neoplasms, but hyperplasias of infundibula consequent to infe…

Differential Diagnosis in Dermatopathology

Discussions

…astomas, among them the types histopathologically cribriform (trichoepithelioma), columnar (desmoplastic trichoepithelioma), retiform, racemiform, and adamantenoid. There also are types several predicated on clinico-pathologic correlation of trichobl…

Differential Diagnosis in Dermatopathology

Discussions

Trichoepithelioma and infundibulocystic basal-cell carcinoma have many features in common, including relative symmetry, follicular differentiation, elements of both basaloid (trichoblastic) and squamoid (spinous) cells, necrotic neoplastic cells, mi…

Differential Diagnosis in Dermatopathology

Discussions

…biologic between dermatofibroma (an inflammatory process) and desmoplastic (fibrosing, largely intradermal) Spitz’s nevus (a benign neoplastic process), the two conditions have many attributes morphologic in common. Both may be oriented either…

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