55-year-old man with ulcers in inguinal fold and intergluteal cleft found to have systemic Langerhans cell histiocytosis

This article describes the case of a patient with cutaneous ulcers who was found to have systemic Langerhans cell histiocytosis (LCH). This article includes the clinical, histology, and electron microscopy images, in addition to a description of the presentation, workup, and management of this rare disease in this patients, with a review of the literature.