Pseudomyogenic Hemangioendothelioma of the Femur Treated by Intercalary Resection and Massive Allograft Reconstruction: A Case Report

: Pseudomyogenic hemangioendothelioma (PHME) is a very rare vascular tumor that usually arises in the extremities, mainly cutaneous or subcutaneous, but also occurs in deeper locations, such as muscles and bone. Less than 200 cases have been reported so far, and primary intraosseous PHMEs are further infrequent. We present a clinical case of PMHE of the femur in a young male adult successfully treated by intercalary resection and massive allograft reconstruction with plates fixation. After more than 2 years of follow-up, the patient is disease-free and asymptomatic, walking with full weight-bearing with radiographic evidence of allograft union.