MR imaging of intracranial hemangiopericytomas

Mama, N.; Abdallah, Asma Ben; Hasni, I.; Kadri, K.; Arifa, N.; Ladib, M.; Tlili-Graiess, K.

doi:10.1016/j.neurad.2013.10.007

Cited by 19 publications

(9 citation statements)

References 31 publications

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“…The presence of intratumoral calcification and dural tail sign are uncommon in hemangiopericytoma . These specific findings in these tumours are well described by many authors in the literature 6,7,8,9,10 . In view of abnormally high vascularity, onyx embolization by direct trancranial puncture of the tumour was performed by Dale Ding and others 11 and the total resection of the tumour was possible.…”

Section: Discussionsupporting

confidence: 75%

Solitary Fibrous Tumour of Tentorium: A Case Report

Moorthy¹,

Padmaja²,

Ratnam³

2017

IOSR JDMS

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Solitary fibrous tumours are rare mesenchymal soft tissue tumours arising from multiple sites in the body including the dura and the intracranial ventricles. These masses are grouped along with rare haemangiopericytomas which form about less than 0.4 % of all CNS tumours. Locally aggressive solitary fibrous tumours closely mimic other dural based tumours most likely meningiomas. We report a case of biopsy proven solitary fibrous tumour from tentorium operated in a 60 year old adult and discuss the imaging features in other related dural based masses.

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Section: Discussionsupporting

confidence: 75%

Solitary Fibrous Tumour of Tentorium: A Case Report

Moorthy¹,

Padmaja²,

Ratnam³

2017

IOSR JDMS

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“… [28] reported the mean ADC value was significantly high in angiomatous meningioma compared with SFT/HPC and other WHO grade I meningioma (1.214 ± 0.213 × 10 −3 mm 2 /s, 0.972 ± 0.154 × 10 −3 mm 2 /s, and 0.941 ± 0.119 × 10 −3 mm 2 /s, respectively). Mama [29] reported that all grade II HPCs showed higher ADC values than grade III (range 1.26–1.50 × 10 −3 mm 2 /s and 0.638–0.833 × 10 −3 mm 2 /s, respectively).…”

Section: Discussionmentioning

confidence: 99%

Intracranial solitary fibrous tumor/hemangiopericytoma mimicking cystic meningioma: A case report and literature review

Chikasue

Uchiyama

Tanoue

et al. 2021

Radiology Case Reports

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Intracranial solitary fibrous tumor/hemangiopericytoma (SFT/HPC) is a relatively rare type of tumor that originates from meningeal mesenchyme. A 30-year-old man presented leaning his body to the left and with weakness of his left lower limb. Computed tomography revealed a heterogeneous mass with multiple cystic components and hyperostosis of the right cranial convexity. Magnetic resonance imaging showed the mass was broadly attached to the dura matter with dural tail sign. In addition, the lesion had extensive cystic degeneration and a solid compartment showing low apparent diffusion coefficient values. The patient underwent gross total resection of the intracranial lesion and presented no recurrence within a 12-month follow-up period. Histopathology confirmed SFT/HPC (World Health Organization grade Ⅱ). Although there have been several useful techniques reported to differentiate SFT/HPC from meningioma, in this case the atypical findings for SFT/HPC made it difficult. We report the imaging findings of this case and some literature reviews.

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“…A total of 14 preoperative clinical/radiological factors were analyzed as potential effective factors as reported in the references (4,6,8,10,(19)(20)(21)(22)(23)(24). Univariable and multivariable analyses were used to identify effective factors for the diagnosis and were integrated into a clinical model by logistic regression modeling.…”

Section: Selection Of Preoperative Clinical and Radiological Factorsmentioning

confidence: 99%

Accurate Preoperative Distinction of Intracranial Hemangiopericytoma From Meningioma Using a Multihabitat and Multisequence-Based Radiomics Diagnostic Technique

Wei

Han

et al. 2020

Front. Oncol.

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Background: Intracranial hemangiopericytoma (IHPC) and meningioma are both meningeal neoplasms, but they have extremely different malignancy and outcomes. Because of their similar radiological characteristics, they are difficult to distinguish prior to surgery, leading to a high rate of misdiagnosis. Methods:We enrolled 292 patients (IHPC, 155; meningiomas, 137) with complete clinic-radiological and histopathological data, from a 10-year database established at Tiantan hospital. Radiomics analysis of tumor and peritumoral edema was performed on multisequence magnetic resonance images, and a fusion radiomics signature was generated using a machine-learning strategy. By combining clinic-radiological data with the fusion radiomics signature, we developed an integrated diagnostic approach that we named the IHPC and Meningioma Diagnostic Tool (HMDT). Results:The HMDT displayed remarkable diagnostic ability, with areas under the curve (AUCs) of 0.985 and 0.917 in the training and validation cohorts, respectively. The calibration curve showed excellent agreement between the diagnosis predicted by HMDT and the histological outcome, with p-values of 0.801 and 0.622 for the training and the validation cohorts, respectively. Cross-validation showed no statistical difference across three divisions of the cohort, with average AUCs of 0.980 and 0.941 for the training and validation cohorts, respectively. Stratification analysis showed consistent performance of the HMDT in distinguishing IHPC from highly misdiagnosed subgroups of grade I meningioma and angiomatous meningioma (AM) with AUCs of 0.913 and 0.914 in the validation cohorts for the two subgroups.Wei et al. Radiomics for Diagnosis of Hemangiopericytoma and MeningiomaConclusions: By integrating clinic-radiological information with radiomics signature, the proposed HMDT could assist in preoperative diagnosis to distinguish IHPC from meningioma, providing the basis for strategic decisions regarding surgery.

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MR imaging of intracranial hemangiopericytomas

Cited by 19 publications

References 31 publications

Solitary Fibrous Tumour of Tentorium: A Case Report

Solitary Fibrous Tumour of Tentorium: A Case Report

Intracranial solitary fibrous tumor/hemangiopericytoma mimicking cystic meningioma: A case report and literature review

Accurate Preoperative Distinction of Intracranial Hemangiopericytoma From Meningioma Using a Multihabitat and Multisequence-Based Radiomics Diagnostic Technique

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