Desmoid-type fibromatosis in an uncommon location: A case report of shoulder involvement misdiagnosed as rhabdomyosarcoma.

Autor:	Limaiem F; University of Tunis El Manar, Tunis Faculty of Medicine, 1007, Tunisia; Pathology Department, Hospital Mongi Slim La Marsa, Tunisia. Electronic address: fatenlimaiem@gmail.com., Gharbi MA; University of Tunis El Manar, Tunis Faculty of Medicine, 1007, Tunisia; Department of Orthopedic Surgery, Hospital Mongi Slim La Marsa, Tunisia., Boujelbene N; University of Tunis El Manar, Tunis Faculty of Medicine, 1007, Tunisia; Salah Azaïez Institute, Tunis, Tunisia., Triki R; Department of Orthopedic Surgery, Hospital Mongi Slim La Marsa, Tunisia., Romdhane KB; Privatee Pathology Laboratory, Tunisia., Bouzidi R; University of Tunis El Manar, Tunis Faculty of Medicine, 1007, Tunisia; Department of Orthopedic Surgery, Hospital Mongi Slim La Marsa, Tunisia.
Jazyk:	angličtina
Zdroj:	International journal of surgery case reports [Int J Surg Case Rep] 2024 Dec; Vol. 125, pp. 110508. Date of Electronic Publication: 2024 Oct 23.
DOI:	10.1016/j.ijscr.2024.110508
Abstrakt:	Introduction and Importance: Desmoid-type fibromatosis is an uncommon tumor characterized by its local invasiveness, with shoulder involvement being notably infrequent. The optimal treatment strategy for this tumor remains a topic of ongoing debate. Case Presentation: A 47-year-old Tunisian woman with a history of hypothyroidism, presented with pain and swelling in her left shoulder for a year. Examination revealed a firm, painful 4 cm mass, and MRI showed a poorly defined intramuscular tumor in the deltoid muscle, initially suspected to be rhabdomyosarcoma. However, surgical biopsy confirmed desmoid-type fibromatosis of the shoulder. The patient underwent surgical wide en-bloc resection of the tumor. The patient's recovery was uneventful, and she received physical therapy. At the three-year follow-up, she reported residual shoulder pain after heavy lifting, improving with analgesics. Examination showed no neurological deficits and a Constant score of 83 out of 100. Clinical Discussion: Due to their deep-seated nature and infiltrative growth patterns into neighboring subcutaneous tissues or muscles, along with the presence of myxoid or fibrotic components, desmoid-type fibromatosis can present challenges in distinguishing them from malignant soft tissue neoplasms based on imaging characteristics. Conclusions: While radiologic evaluations may indicate characteristics suggestive of a malignant soft tissue tumor, histological confirmation is imperative prior to initiating surgical intervention. Continued research into the optimal treatment approaches for desmoid-type fibromatosis is essential for improving future patient outcomes and quality of life. Competing Interests: Declaration of competing interest None declared. (Copyright © 2024 The Authors. Published by Elsevier Ltd.. All rights reserved.)
Databáze:	MEDLINE
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