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

…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…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Tricho-, pilo-, folliculo- ?

…f age are responsible for formation of all of those elements. Trichoepithelioma is not a benign epithelial neoplasm of hair, but an intradermal type of trichoblastoma in which aggregations of follicular germinative cells have become organized in a pa…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Sebaceous Epithelioma?

…h was characterized first in 1984 and named in synchrony with trichoepithelioma and cylindroma, so-called sebaceous epithelioma has never been defined in a comprehensible or repeatable way. The term itself is misleading because epithelioma is the Fre…

Dermatology Practical & Conceptual

The dermatoscopic universe of basal cell carcinoma

…zed as dermatoscopic “mimickers” of BCC [30]. Trichoblastoma, trichoepithelioma, pilomatrichoma, cylindroma and eccrine poroma are only some of the entities reported to dermatoscopically exhibit linear branching vessels and blue-gray globules, simila…

Differential Diagnosis in Dermatopathology

Discussions

…that benign neoplasm made up overwhelmingly of trichoblasts. Trichoepithelioma is that type of trichoblastoma characterized by cribriform pattern formed by follicular germinative cells and by a tendency usually to limited differentiation in the form…