Successful laparoscopic treatment of a giant solitary fibrous tumor of the mesorectum: A case report and literature review

Kawamura, Junichiro; Tani, Masaki; Kida, Yuya; Sumida, Kimiaki; Ogawa, Ryotaro; Kawasoe, Junya; Yazawa, Takefumi; Yamada, Masahiro; Yamamoto, Masafumi; Harada, Hideki; Yamamoto, Hidekazu; Zaima, Masazumi

doi:10.1111/ases.12322

Cited by 12 publications

(15 citation statements)

References 9 publications

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“…Despite this, and especially for the pelvic SFTs, they present specific limitations for their complete excision, due to the anatomical characteristics of the pelvis [12]. Most of the series agree that extra-thoracic localization, size greater than 10 cm, affected resection margins, high rate of mitosis or presence of hemorrhage or intra-tumoral necrosis are related to a higher rate of local recurrence or the development of distant metastasis even many years after surgery [7,13,14]. Because of this, and given the unpredictability of their behavior, most authors recommend a very long post-operative follow-up [1,7,15] without existing clinical guidelines that determine either the frequency or the tests to be performed in this follow-up.…”

Section: Discussionmentioning

confidence: 99%

“…It is estimated that approximately 34% of SFTs arise in the abdomino-pelvic region. However, among these, origin from the mesorectum is very rare, since there are only five cases reported in the literature [7]. Pelvic localization, according to most series studied, is associated with tumors having a larger size at the time of diagnosis than those at other locations, and a greater tendency for local recurrence [8].…”

Section: Discussionmentioning

confidence: 99%

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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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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

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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“…The pelvic cavity is rarely the site of origin of SFT, with most lesions located in the para/pre/peri-vesical spaces 10 , 16 , 18 , 19 , 24 , 42 , 44 , 45-47 , 50 , 51 . Radiological imaging, as in our case, is not specific, often showing solid, nodular masses with well circumscribed borders 14 , 24 , 25 , 34 .…”

Section: Discussionmentioning

confidence: 99%

Solitary fibrous tumor with atypical features of the paravesical space: benign clinical course at the 10-years follow-up. Report of a case and review of the literature

et al. 2020

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Summary Extra-pleural solitary fibrous tumor (SFT) is a relatively rare soft tissue neoplasm, with only rare cases reported in the pelvic cavity. Most SFTs are histologically benign, with only a few malignant cases reported in the literature so far. We report a rare case of SFT arising in the paravesical space of a 79-year-old man. Histologically the tumor corresponds to an “ intermediate risk tumor ” according to a risk stratification scheme for metastatic potential, which incorporates patient age, tumor size, mitotic activity and necrosis. Notably tumor showed a benign clinical course without evidence of local recurrence after a 10-years follow-up. Tumor was composed of both spindle and epithelioid cells variably set in a fibro-myxoid stroma, with focal pleomorphic, necrotic and highly mitotic (> 4 mitoses/10HPF) areas. Immunohistochemistry, showing a diffuse CD34 and STAT6 immunoreactivity, supported the diagnosis of SFT. The present case emphasizes that the clinical course of the pelvic SFTs with atypical morphological features is unpredictable on the basis of morphology alone, and thus the term “ SFT with atypical features, including the risk stratification class ” should be preferred to “ malignant SFT ”.

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“…Prophylactic artery embolization is recommended to resect a hypervascularized tumor [7]. Laparoscopic treatment after the diagnosis of a benign tumor is technically feasible for certified surgeons [8]. However, there is no evidence regarding the efficacy of prophylactic artery embolization before the biopsy.…”

Section: Discussionmentioning

confidence: 99%

A case of uncontrollable hemorrhage caused by laparoscopic biopsy for large solitary fibrous tumor in the pelvis

Suzuki¹,

Ebina²,

Yamada³

2019

EJGO

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Solitary fibrous tumor (SFT) is a mesenchymal fibroblastic tumor that occurs anywhere in the body. It is often difficult to make a definite diagnosis of abdominopelvic tumors by imaging alone. Pathological information obtained by biopsy is useful. Here, the authors report a case with a large SFT of the mesometrium, in which a laparoscopic biopsy caused uncontrolled hemorrhage. A 70-year-old woman with a large solitary fibrous tumor (SFT) of the mesometrium underwent a laparoscopic biopsy that caused uncontrollable hemorrhage. Pelvic magnetic resonance imaging revealed hyper-vascular tumor with 102-mm diameter adjacent to the uterus. Because laparoscopic biopsy for pathological diagnosis caused uncontrollable hemorrhage, the authors performed laparotomy, hysterectomy, bilateral salpingo-oophorectomy, and ureterovesiconeostomy due to bladder injury. The tumor was completely resected. SFT was diagnosed by histological immunostaining. Furthermore, there was no regional recurrence within 24 months of the surgery. As SFT is hyper-vascular tumor, laparoscopic biopsy should be performed with careful preparation of countermeasures for hemorrhage.

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Successful laparoscopic treatment of a giant solitary fibrous tumor of the mesorectum: A case report and literature review

Cited by 12 publications

References 9 publications

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

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

Solitary fibrous tumor with atypical features of the paravesical space: benign clinical course at the 10-years follow-up. Report of a case and review of the literature

A case of uncontrollable hemorrhage caused by laparoscopic biopsy for large solitary fibrous tumor in the pelvis

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