F p ostoperative alopecia is a pressure-induced, circumcribed area of occipital hair loss, usually after lengthy perative procedures. Prolonged hair follicle ischemia, a esult of constant pressure from improper head posiioning, is thought to be causative. Most commonly a eversible condition, it can be quite distressing for a atient. The maxillofacial surgeon must understand he pathophysiology and natural history of the condiion to correctly identify it and employ measures to revent it. Here we report a case of postoperative pressure) alopecia in a female patient after orthogathic surgery.