Search Results for: cleft

Differential Diagnosis in Dermatopathology

Atrophic lichen planus vs. Atrophic discoid lupus erythematosus

The most common form of eruptive inflammation in the subcutaneous fat, i.e., panniculitis, marked by tender, smooth and erythematous plaques, nodules, or tumors (or combinations thereof) that usually affect the anterior aspect of the legs and, less…

A quiz from Manaus, Brazil

A quiz from Manaus, Brazil

…and a dilated entrapped follicle (H&E x40). [Copyright: ©2015 Miranda et al.] What is your diagnosis? Figure 2A. Stromal clefts and spindle cells in storiform and whorled fashions (H&E x100). [Copyright: ©2015 Miranda et al.]   Figure…

Differential Diagnosis in Dermatopathology

Discussions

…tosis, which is a pattern distinctive of cutaneous epithelium, the acantholytic dyskeratotic cells appear above a suprabasal cleft, not in a suprabasal vesicle. In the pure Darier type of Grover’s disease, the findings are those of true focal…

Differential Diagnosis in Dermatopathology

Discussions

…s in general: vertical orientation often, sharp circumscription, smooth border, compression of enveloping connective tissue, clefts between compressed fibrous tissue and normal dermis or subcutaneous fat, tendency to “pop out” and…

Differential Diagnosis in Dermatopathology

Dermatofibroma vs. Desmoplastic Spitz’s nevus

The most common form of eruptive inflammation in the subcutaneous fat, i.e., panniculitis, marked by tender, smooth and erythematous plaques, nodules, or tumors (or combinations thereof) that usually affect the anterior aspect of the legs and, less…