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CC BY-NC-ND 4.0 · World J Nucl Med 2021; 20(01): 121-124
DOI: 10.4103/wjnm.WJNM_55_20
Case Report

Fibromatosis with aggressive demeanor: Benign impersonator of malignancy

Naveen Kumar
Department of Nuclear Medicine and PET CT, Apollo Hospitals, Chennai, Tamil Nadu, India
,
M. Indirani
Department of Nuclear Medicine and PET CT, Apollo Hospitals, Chennai, Tamil Nadu, India
,
Nikita Sampathirao
Department of Nuclear Medicine and PET CT, Apollo Hospitals, Chennai, Tamil Nadu, India
,
S. Shelley
Department of Nuclear Medicine and PET CT, Apollo Hospitals, Chennai, Tamil Nadu, India
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Abstract

Fibromatosis or desmoid fibromatosis is a rare benign neoplasm and develops commonly in the abdominal wall, abdominal cavity, or extra-abdominal sites. The mainstay of treatment is surgery. Chemotherapy and radiotherapy are preferred in cases of inoperable/relapse or a multifocal disease. Hereby, we report a case of fibromatosis arising in the left popliteal fossa, proven by histopathology and immunohistochemistry. Local excision of the mass was performed. The patient was asymptomatic for 6 months, after which she complained of difficulty in walking. Clinical evaluation elicited recurrence in the surgical bed. In spite of the surgical excision with tumor-free margins, recurrence was seen within a span of 6 months. 18F-fluorodeoxyglucose (FDG) positron emission tomography-computed tomography (PET/CT) was done to rule out multifocal disease and to define the extent of relapse. Although magnetic resonance imaging provides an excellent soft-tissue resolution to delineate the disease,18F-FDG PET/CT is an important and supplementary tool which aids in the management of fibromatosis.

Keywords

Desmoid tumor - fibromatosis - fluorodeoxyglucose positron emission tomography-computed tomography in fibromatosis - recurrent fibromatosis

Financial support and sponsorship

Nil.




Publikationsverlauf

Eingereicht: 20. August 2020

Angenommen: 23. August 2020

Artikel online veröffentlicht:
30. März 2022

© 2021. Sociedade Brasileira de Neurocirurgia. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commecial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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