
Fibromatosis with aggressive demeanor: Benign impersonator of malignancy
Author(s) -
J. Naveen Kumar,
M Indirani,
Nikita Sampathirao,
Shelley Simon
Publication year - 2021
Publication title -
world journal of nuclear medicine
Language(s) - English
Resource type - Journals
eISSN - 1607-3312
pISSN - 1450-1147
DOI - 10.4103/wjnm.wjnm_55_20
Subject(s) - medicine , fibromatosis , radiology , aggressive fibromatosis , malignancy , magnetic resonance imaging , positron emission tomography , histopathology , radiation therapy , asymptomatic , abdominal wall , surgery , pathology
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.