2021
DOI: 10.1111/pin.13150
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A collision tumor of solitary fibrous tumor/hemangiopericytoma and meningioma: A case report with literature review

Abstract: An intracranial collision tumor is a rare lesion composed of two histologically different neoplasms in the same anatomic location. Even more rare is the collision tumor of a solitary fibrous tumor/hemangiopericytoma (SFT/HPC) and meningioma. The patient was a 46‐year‐old woman who had a 40 × 35 × 30‐mm mass in the vermis of the cerebellum. Histologically, the mass consisted of two different components. One component showed the morphology of meningioma (World Health Organization (WHO) grade I), and the other co… Show more

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Cited by 5 publications
(6 citation statements)
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“…Besides our study, there are three other case reports of intracranial collision tumors of SFT and meningioma. [23][24][25] Collision tumor is a lesion in which two histologically different neoplasms coexist in the same location.…”
Section: Discussionmentioning
confidence: 99%
“…Besides our study, there are three other case reports of intracranial collision tumors of SFT and meningioma. [23][24][25] Collision tumor is a lesion in which two histologically different neoplasms coexist in the same location.…”
Section: Discussionmentioning
confidence: 99%
“…In the collision tumors of CNS, the most common recipient tumor is meningioma, while schwannoma, pituitary adenoma also have been reported. Ashizawa et al [ 34 ] summarized 131 patients with intracranial collision tumors from 1976, including collision with metastatic carcinoma, among whom meningioma were more common in primary intracranial collision tumors (39/57; 66.6%), and most of them were recipient tumor. In patients with VHL syndrome, the most common benign tumor was hemangioblastoma.…”
Section: Discussionmentioning
confidence: 99%
“…Histologically, SFT phenotype mimics fibromeningioma, while HPC phenotype mimics high-grade meningioma or sarcoma. [5] The clinical behavior of tumors with SFT phenotype is usually benign, while the clinical behavior of tumors with HPC phenotype is malignant, and has a high recurrence rate and metastasis rate. [17,18] Although CD34 and EMA have been used to differentiate SFT from meningioma; However, CD34 and EMA lack high sensitivity and specificity.…”
Section: Discussionmentioning
confidence: 99%
“…ISFT is a borderline tumor, accounting for <1% of all primary CNS tumors, most of which are benign, and 10% to 20% are malignant or potentially malignant. [ 5 ] SFTs most often occur in the pleura and peritoneum, but also in other tissues and organs outside the pleura. ISFT is rare, accounting for about 11% of systemic SFT, and is common in adults aged 40 to 60 years.…”
Section: Discussionmentioning
confidence: 99%
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