A Rare Case of Giant Atypical Lipomatous Tumor in the Gluteal Region: Clinical, Radiological and Histopathological Insights

Objective: This article presents a rare case of a 47-year-old male diagnosed with a giant atypical lipomatous tumor (ALT) in the right gluteal region. The tumor exhibited progressive growth over ten years, leading to ulceration, abscess formation, and purulent discharge. Imaging studies revealed a large pedunculated mass with heterogeneous density. The patient underwent surgical excision with a wide resection and reconstruction. Histopathological analysis confirmed an atypical lipomatous tumor/low-grade liposarcoma. Given the rarity of ALT in the gluteal region, this case highlights its diagnostic challenges, imaging characteristics, and surgical management strategies.