Extrapleural Solitary Fibrous Tumor of Foot: A Case Report
Journal Title: Radiology – Open Journal - Year 2016, Vol 1, Issue 2
Abstract
A 77-year-old woman was admitted to our Hospital for a mass lesion in the plantar area of the left foot. The patient referred that the mass was present for about 30 years but it had never been treated before because asymptomatic. Foot Magnetic Resonance Imaging (MRI) reviewed a low-signal-intensity tumor on both T1 weighted and T2 weighted images. Based on clinical and diagnostic imaging findings we initially suspected a fibroproliferative neoplasm like an aggressive fibromatosis. Histologically the lesion was benign fibroblastic spindle cell lesion with dense or loose collagen fibers. Cellularity was low and no mitotic figures were found. The tumor cells were positive for CD34, whereas they were negative for α smooth muscle actin, desmin, HHF35 and S100 protein. These pathological findings were consistent with an Extrapleural Solitary Fibrous Tumor (Extrapleural SFT). The Extrapleural SFT should be included in the differential diagnosis of extrapleural lesions in which MRI suggests fibrous content. These entities exhibit a dense fibrocollagenous matrix that can produce low signal intensity on T2-weighted MRI images, similar to Extrapleural SFT. However, in order to reach a proper diagnosis and treatment is essential to integrate a detailed patients’ clinical history and to perform a biopsy to collect cells for closer examination.
Authors and Affiliations
Yuko Kobashi
Keywords
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- EP ID EP554220
- DOI 10.17140/ROJ-1-106
- Views 116
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Extrapleural Solitary Fibrous Tumor of Foot: A Case Report
A 77-year-old woman was admitted to our Hospital for a mass lesion in the plantar area of the left foot. The patient referred that the mass was present for about 30 years but it had never been treated before because asym...