Restricted Range of Motion and a Cold Upper Extremity in a Two-Year-Old Boy: Kaposiform Hemangioendothelioma of the Bone and the Brachial Plexus

Case:We report a case of kaposiform hemangioendothelioma (KHE) of the scapula in a 2-year-old boy with motor and sensory abnormalities of the left upper extremity, suggesting brachial plexus involvement. The locally invasive nature prevented resection; sirolimus therapy resulted in improvement of th