Solitary fibrous tumor in the abdomen and pelvis: A case series with radiological findings and treatment recommendations

Fernandez, A; Conrad, Miles; Gill, Ryan M.; Choi, Won‐Tak; Kumar, Vishal; Behr, Spencer C.

doi:10.1016/j.clinimag.2017.10.002

Cited by 22 publications

(29 citation statements)

References 21 publications

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“…Among his patients, 65% of the patients had symptoms due to spinal cord compression and 5% had a palpable mass. Fernandez et al [12] demonstrated that almost all of his patients presented with nonspecific abdominal or back pain. One of his patients was incidentally diagnosed while being evaluated due to her irregular menstrual cycles.…”

Section: Discussionmentioning

confidence: 97%

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Solitary fibrous tumor/hemangiopericytoma of the penis

Çubuk¹,

Yanaral²,

Üçpınar³

et al. 2019

Turkish Journal of Urology

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Solitary fibrous tumor/hemangiopericytoma (SFT-HMP) is a rare spindle-cell mesenchymal tumor, thought to be of myofibroblastic origin. Penile SFT-HMP was mentioned in the literature in two separate case reports which were published in 2015 and 2017. We present the first case of SFT-HMP which is localized on corpus cavernosum of the penis. A 55-year-old man presented to our clinic with a small and gradually growing lesion on his penis for the past year, which recently caused difficulties during sexual intercourse. On physical examination; a well-shaped, nodular non-fluctuant, solid, painless mass, measuring 4x4 cm was palpated. Magnetic resonance imaging showed 5x5 cm mass located on the right corpus cavernosa. Under spinal anesthesia, surgical excision was performed. Pathologically, the tumor had an irregular architecture patterns and was characterized by hypercellular areas separated by thin-walled, branching vessels, lined with a single layer of flattened endothelial cells. SFT-HMP rarely occurs in genital tract and penile presentation is among the rarest. It should be classified and considered under penile masses, especially if the mass is well circumscribed, painless and slowly growing in nature. After differential diagnosis, surgical excision is mandatory.

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Section: Discussionmentioning

confidence: 97%

“…Shanbhogue et al [15] stated that imaging heterogeneities are the limitations for the differential diagnosis of SFT-HMP which can be listed as; variety of enhancement, necrosis and hemorrhage. Fernandez et al [12] demonstrated that malign tumors had a higher SUDmax value than benign tumors (11.4 in malignant tumors, 2.9 in benign tumors).…”

Section: Discussionmentioning

confidence: 99%

Solitary fibrous tumor/hemangiopericytoma of the penis

Çubuk¹,

Yanaral²,

Üçpınar³

et al. 2019

Turkish Journal of Urology

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“…Recent studies have reported on cases of SFT located in the pelvic region (21,22). However, to the best of our knowledge, SFTs spanning the obturator fossa with involvement of obturator nerve have not been reported to date.…”

Section: Discussionmentioning

confidence: 91%

Novel technical modifications of hand‑assisted laparoscopic dissection of a large obturator mass: A case report and literature review

et al. 2020

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Laparoscopic lateral pelvic tumor dissection (LLPTD) for transobturator tumors may be technically challenging due to the requirement for sufficient operative space. The present study discusses a technique modification with combination of the laparoscopic approach and hand-assisted (HA) open surgery for patients with large obturator masses. LLPTD was performed using the combined approach, defined as HA-LLPTD, with one case treated. According to this technique, a combined working space is constructed based on the outreached laparoscopic space and open extraperitoneal approach, followed by HA-LLPTD. Finally, a literature review was performed to retrospectively evaluate 17 cases of obturator tumors, in terms of tumor type and operative approach. The tumor in the present case was successfully and completely resected, without any obvious intra-and post-operative complications. Based on the literature review, the majority of the cases were benign (~75%) and originated from neurological tissue (~50%). The selection of the operative approach was either open or minimally invasive (50% each). HA-LLPTD allows experienced urological laparoscopic surgeons to safely and completely perform obturator surgery without obstruction of the obturator foramen or formation of intraperitoneal adhesions and associated complications. Therefore, HA-LLPTD may be more useful for transobturator tumor resection compared with the conventional intraperitoneal approach.

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“…Peripheral vascularization is frequent while calcifications are rare and may also present varying degrees of central necrosis. In magnetic resonance imaging (MRI) the lesion has the same characteristics as in CT, but in addition, up to 89% of the cases of SFT are hyper-intense in T2 [4]. In the pre-operative study, fine needle aspiration (FNA) and core biopsy (Tru-Cut) are also used, but generally with poor diagnostic performance.…”

Section: Discussionmentioning

confidence: 99%

“…Most of the times, it develops in the thorax. Very infrequently, it appears in other locations such as the retroperitoneum or pelvis [3] with less than 100 cases described in these locations [4]. Most cases have benign behavior, but 10-20% of cases are locally aggressive or metastasize in distant locations [5].…”

Section: Introductionmentioning

confidence: 99%

Solitary Fibrous Tumor of Retroperitoneum: An Unusual Localisation of an Uncommon Neoplasm

Jiménez¹,

Díez²,

Blázquez³

et al. 2019

JCR

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Background: The solitary fibrous tumor (SFT) is a soft tissue tumor of fibroblastic origin. Most of the times, it develops in the thorax. Very infrequently, it appears in other locations such as the retroperitoneum or pelvis. Most cases have benign behavior, characterized by a slow localized growth, but 10-20% of cases are locally aggressive or metastasize in distant locations. Case Report: We present a case of extra-pleural SFT, in an unusual location, at the mesorectum. It reached 8 cm maximal diameter, and was accompanied by macroscopic traits of local malignancy. Histopathological examination and immunohistochemistry revealed a mesenchymal fusocellular/spindle cell tumor. Conclusion: Although an uncommon mesenchymal neoplasia, SFT should be kept in mind when making the differential diagnosis of pelvic masses. It should be considered as a neoplasm with a high risk of local recurrence or metastasis.

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Solitary fibrous tumor in the abdomen and pelvis: A case series with radiological findings and treatment recommendations

Cited by 22 publications

References 21 publications

Solitary fibrous tumor/hemangiopericytoma of the penis

Solitary fibrous tumor/hemangiopericytoma of the penis

Novel technical modifications of hand‑assisted laparoscopic dissection of a large obturator mass: A case report and literature review

Solitary Fibrous Tumor of Retroperitoneum: An Unusual Localisation of an Uncommon Neoplasm

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