Day: August 16, 2018

Leg ulcers occur relatively commonly in late middle and old age, arising in association with chronic venous insufficiency, chronic arterial insufficiency, or peripheral sensory neuropathy; in some patients, a combination

Langerhans cell histiocytosis (LCH) is an idiopathic group of disorders characterized histologically by proliferation and infiltration of tissue by Langerhans cell-type histiocytes that fuse into multinucleated giant cells and form