Differential Diagnosis in Dermatopathology

Erythroderma of psoriasis vs. Erythroderma of mycosis fungoides

Noninflammatory scaly disorders in which polygonal gray or brown scales tend to be elevated at their periphery, causing them to appear to be separated from contiguous scales, findings that are seen in three conditions, namely, ichthyosis vulgaris (a…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eruptive Vellus Hair Cyst?

“From the histologic viewpoint, EVHC [eruptive vellus hair cyst] must be differentiated from steatocystoma multiplex.” Gonzalez FU, Cristobal MC, Martinez AA, et al. Eruptive vellus hair cyst with singular histologic finding. Arch Derm…