Atypical Pleomorphic Lipomatous Tumor of the Right Hand Mimicing Venous Malformation

We present the case of a 31-year-old woman who was referred with a 12-month history of a tumor on the ulnar side of her dominant right hand. The eventual histopathologic diagnosis was an atypical pleomorphous lipomatous tumor, an entity that has only been recently classified in the World Health Organization Classification of Soft Tissue and Bone Tumors. (Copyright (C) 2022 by the American Society for Surgery of the Hand. All rights reserved.)

Automated summary

This case presents a 31-year-old woman with a tumor on the ulnar side of her dominant right hand, which she had been experiencing for 12 months. The histopathological diagnosis revealed an atypical pleomorphous lipomatous tumor, a recently classified entity in the World Health Organization Classification of Soft Tissue and Bone Tumors.