Pigmented Multinucleate Cell Angiohistiocytoma: First Case

We present a pigmented MCAH with cytoplasmic brownish pigment, which was positive with a Masson–Fontana stain and negative with an iron stain, consistent with melanin, in a 33-year-old woman with multiple papules and plaques on the right elbow, right jawline, and left flank.

Source: The American Journal of Dermatopathology - October 21, 2022 Category: Pathology Tags: Extraordinary Case Report Source Type: research