Solitary Fibrous Tumor in the Retroperitoneal Space Arising from the Diaphragm.

Autor: TOYOSHI SEITO, TOMOYUKI KANEKO, TAKETO KAWAI, MICHIO NODA, YUUMI TOKURA, ITSUKI YOSHIMURA, MARIKO YASUI, YOSHINAO KIKUCHI, YUKO SASAJIMA, TOHRU NAKAGAWA
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Zdroj: In Vivo; Nov/Dec2023, Vol. 37 Issue 6, p2849-2853, 5p
Abstrakt: Background/Aim: We present a case of solitary fibrous tumor, arising from the diaphragm in the retroperitoneal space, that was resected with robotic assistance. Case Report: An 85-year-old female patient was referred to our hospital for evaluation of a suspected right renal tumor. Abdominal contrast-enhanced computed tomography revealed a tumor (maximum diameter, 36 mm) protruding from the superior pole of the right kidney. The patient was scheduled for robot-assisted, retroperitoneoscopic, partial nephrectomy based on a preoperative diagnosis of renal cell carcinoma. Intraoperative findings revealed that the tumor originated from the diaphragm and had no continuity with the renal parenchyma. Pathological examination revealed a solitary fibrous tumor. Conclusion: Solitary fibrous tumors are rare soft-tissue neoplasms with a distinct molecular feature of the fusion of nerve growth factor-inducible A genebinding protein 2 with signal transducer and activator of transcription 6 gene (NAB2::STAT6). We believe that this is the first reported case of a solitary fibrous tumor arising from the diaphragm in the retroperitoneal space. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index