Differential Diagnosis in Dermatopathology

Images

Metastatic carcinoma from a breast Morpheiform basal-cell carcinoma…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

Metastatic carcinoma from a breast Morpheiform basal-cell carcinoma 1. Strands, cords, and columns of neoplastic epithelial cells in the dermis 1. Cords and columns of neoplastic epithelial cells in the dermis; no strands as a rule 2. Differen…

Differential Diagnosis in Dermatopathology

Discussions

A proliferation of keratocytes that simulates squamous-cell carcinoma and authentic squamous-cell carcinoma itself have findings histopathologic in common, including epithelial cells that cornify, nuclei of epithelial cells that are not entirely typ…

Histologic Diagnosis of Inflammatory Skin Diseases

Keloid

Keloid Presentation stereotypical Age and sex Young adults especially, both sexes, more often in darkly pigmented individuals, especially Africans and African-Americans Distribution of lesions Sternal region, ear lobes, shoulders, and the upper part…

Differential Diagnosis in Dermatopathology

Discussions

Both angiolymphoid hyperplasia with eosinophilia and angiosarcoma are processes pathologic that involve endothelium-lined blood vessels. Whereas angiolymphoid hyperplasia with eosinophilia is a vascular malformation that comes into being by virtue o…

Differential Diagnosis in Dermatopathology

Study By Disease

“Blue nevus” (Jadassohn-Tièche) (Quiz #360) “Blue nevus” (Jadassohn-Tièche) (Quiz #525) “Blue nevus” (Masson’s blue neuronevus) (Quiz #359) “Collagenous” nevus, papillary dermal type* (Quiz #11…