Solitary fibrous tumor in the saddle area treated with neuroendoscopic surgery and proton therapy: A case report and literature review

Ma,Mian; Gong,Yuhui; Tang,Xiaoyu; Deng,Peng; Qian,Jinhong; Hu,Xiaolong; Wu,Jiandong; Ding,Zhiliang

doi:10.3892/ol.2023.14092

Solitary fibrous tumor in the saddle area treated with neuroendoscopic surgery and proton therapy: A case report and literature review

Authors:
- Mian Ma
- Yuhui Gong
- Xiaoyu Tang
- Peng Deng
- Jinhong Qian
- Xiaolong Hu
- Jiandong Wu
- Zhiliang Ding
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Affiliations: Department of Neurosurgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, Jiangsu 215002, P.R. China
Published online on: October 10, 2023 https://doi.org/10.3892/ol.2023.14092
Article Number: 505
Copyright: © Ma et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Solitary fibrous tumor (SFT) of the central nervous system is a rare fibroblastic tumor of mesenchymal origin. SFTs in the saddle area are much less common. In January 2022, a 43‑year‑old female patient was admitted with SFT 3 months following partial resection of a microscopic transsphenoidal saddle area tumor at a different hospital. Magnetic resonance imaging indicated that the unresected part of the tumor was significantly enhanced on T1 enhancement, which strongly indicated a recurrence. Subsequently, the patient underwent transnasal endoscopic saddle area tumor resection at our hospital and the tumor was successfully removed. By using postoperative pathology examination, immunohistochemical analysis of Bcl‑2, cluster of differentiation 99, STAT6 and vimentin, and a fusion gene test performed by high‑throughput sequencing technology, the SFT was definitively diagnosed. Following 3 months of follow‑up, the patient was found to have tumor recurrence in the cavernous sinus and absence of tumor growth in the pituitary fossa. Therefore, the patient received proton therapy and tumor growth was controlled effectively.

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