J Hand Microsurg 2020; 12(S 01): S50-S53
DOI: 10.1055/s-0039-1679102
Case Report

Giant Cell Tumor of Tendon Sheath Developed over Chimeric-Free Latissimus Dorsi and Serratus Anterior Muscle Flaps

Athanasios Karonidis
1   Department of Plastic Surgery, Microsurgery, Burns Unit and Reference Centre for Melanoma, General Hospital of Athens “G. Gennimatas,” Athens, Greece
,
Akrivi Kostopoulou
2   Department of Pathology, General Hospital of Athens “G. Gennimatas,” Athens, Greece
,
Sofia Pappa
2   Department of Pathology, General Hospital of Athens “G. Gennimatas,” Athens, Greece
,
Dimosthenis Tsoutsos
1   Department of Plastic Surgery, Microsurgery, Burns Unit and Reference Centre for Melanoma, General Hospital of Athens “G. Gennimatas,” Athens, Greece
› Author Affiliations

Funding None.
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Abstract

This article describes a rare case of giant cell tumor of the tendon sheath (GCTTS) that was developed over the substance of chimeric-free latissimus dorsi and ­serratus ­anterior muscle flaps performed for lower limb reconstruction. To our knowledge, development of GCTTS over a free flap is first described in the literature. A 71-year-old ­woman was presented with a large protuberant ulcerated tumor mass that was developed over the substance of chimeric free muscle flaps at the foot and ankle. We performed an extensive tumor resection, and the pathology report confirmed the presence of a primary giant cell tumor. The patient was advised to have a below-knee amputation. However, the patient refused the amputation, and 4 months later, she was presented with a metastatic mass proximally at the upper thigh. We believe that the GCTTS was associated with the chronic inflammation of the soft tissue and bones along with the recurrent episodes of infection, mainly due to proteus mirabilis and proteus syndrome (PS). PS may lead to the development of malformations and overgrowth of different tissues in unusual locations. In cases resistant to antibiotics, the radical surgical debridement should be considered as the most effective treatment.



Publication History

Article published online:
25 February 2019

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