Case report: Primary intraosseous meningioma: a radiological study of two cases confirmed pathologically

IntroductionPrimary intraosseous meningioma (PIM) is a rare lesion often misidentified preoperatively due to its ambiguous benign or malignant characteristics. In this report, we introduce two novel cases of PIM and explore the potential correlation between pathological classification and imaging fe...

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Main Authors: Yue Wang, Jibo Hu
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-02-01
Series:Frontiers in Oncology
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Online Access:https://www.frontiersin.org/articles/10.3389/fonc.2025.1502818/full
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author Yue Wang
Jibo Hu
author_facet Yue Wang
Jibo Hu
author_sort Yue Wang
collection DOAJ
description IntroductionPrimary intraosseous meningioma (PIM) is a rare lesion often misidentified preoperatively due to its ambiguous benign or malignant characteristics. In this report, we introduce two novel cases of PIM and explore the potential correlation between pathological classification and imaging features. Our aim is to enhance our understanding of PIM and improve its preoperative diagnosis.Case presentationThe first case is a 68-year-old female patient presenting with a brain mass located in the temporal region. Computed tomography (CT) imaging demonstrated the destruction of adjacent bone structures. A right frontal temporal craniectomy was subsequently performed and histological examination pathologically confirmed the lesion was the chordoid variant of PIM. The second case is a 56-year-old male patient who exhibited an irregular soft-tissue mass in the right sphenoid as visualized on brain CT. The patient underwent a surgical intervention for a skull base neoplasm. Postoperative pathological analysis confirmed the presence of the meningothelial variant of PIM. Upon pathological examination, the two cases were respectively classified as atypical meningioma (Grade II) and benign meningioma (Grade I).ConclusionsWhile pathological examination remains indispensable for the definitive confirmation of PIM, the early identification of PIM is critically dependent on radiological imaging methods. The imaging characteristics of PIM exhibit variability across different pathological grades, a factor that can significantly aid in both the diagnostic process and the formulation of appropriate treatment strategies.
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spelling doaj-art-bdca786a5ff0474998cd9aec69c7edf02025-02-04T05:27:58ZengFrontiers Media S.A.Frontiers in Oncology2234-943X2025-02-011510.3389/fonc.2025.15028181502818Case report: Primary intraosseous meningioma: a radiological study of two cases confirmed pathologicallyYue WangJibo HuIntroductionPrimary intraosseous meningioma (PIM) is a rare lesion often misidentified preoperatively due to its ambiguous benign or malignant characteristics. In this report, we introduce two novel cases of PIM and explore the potential correlation between pathological classification and imaging features. Our aim is to enhance our understanding of PIM and improve its preoperative diagnosis.Case presentationThe first case is a 68-year-old female patient presenting with a brain mass located in the temporal region. Computed tomography (CT) imaging demonstrated the destruction of adjacent bone structures. A right frontal temporal craniectomy was subsequently performed and histological examination pathologically confirmed the lesion was the chordoid variant of PIM. The second case is a 56-year-old male patient who exhibited an irregular soft-tissue mass in the right sphenoid as visualized on brain CT. The patient underwent a surgical intervention for a skull base neoplasm. Postoperative pathological analysis confirmed the presence of the meningothelial variant of PIM. Upon pathological examination, the two cases were respectively classified as atypical meningioma (Grade II) and benign meningioma (Grade I).ConclusionsWhile pathological examination remains indispensable for the definitive confirmation of PIM, the early identification of PIM is critically dependent on radiological imaging methods. The imaging characteristics of PIM exhibit variability across different pathological grades, a factor that can significantly aid in both the diagnostic process and the formulation of appropriate treatment strategies.https://www.frontiersin.org/articles/10.3389/fonc.2025.1502818/fullmeningiomaintraosseouspathologydiagnosiscase report
spellingShingle Yue Wang
Jibo Hu
Case report: Primary intraosseous meningioma: a radiological study of two cases confirmed pathologically
Frontiers in Oncology
meningioma
intraosseous
pathology
diagnosis
case report
title Case report: Primary intraosseous meningioma: a radiological study of two cases confirmed pathologically
title_full Case report: Primary intraosseous meningioma: a radiological study of two cases confirmed pathologically
title_fullStr Case report: Primary intraosseous meningioma: a radiological study of two cases confirmed pathologically
title_full_unstemmed Case report: Primary intraosseous meningioma: a radiological study of two cases confirmed pathologically
title_short Case report: Primary intraosseous meningioma: a radiological study of two cases confirmed pathologically
title_sort case report primary intraosseous meningioma a radiological study of two cases confirmed pathologically
topic meningioma
intraosseous
pathology
diagnosis
case report
url https://www.frontiersin.org/articles/10.3389/fonc.2025.1502818/full
work_keys_str_mv AT yuewang casereportprimaryintraosseousmeningiomaaradiologicalstudyoftwocasesconfirmedpathologically
AT jibohu casereportprimaryintraosseousmeningiomaaradiologicalstudyoftwocasesconfirmedpathologically