{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,18]],"date-time":"2026-05-18T12:22:57Z","timestamp":1779106977386,"version":"3.51.4"},"reference-count":18,"publisher":"BMJ","issue":"1","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2025,1,1]]},"published-print":{"date-parts":[[2025,1]]},"abstract":"<jats:p>A boy in his middle childhood presented with a gradually enlarging, mildly tender swelling in the left frontal region, noticed after minor trauma. Skull radiograph and non-enhanced CT revealed a diffuse sclerotic lesion involving the left frontal bone and overlying subcutaneous soft tissue, suggestive of an intraosseous haemangioma. Contrast-enhanced MRI showed an expansile, hypointense lesion in the frontal bone on the left side with enhancing extraosseous components and a small extra-axial cyst. FNAC findings were consistent with meningioma. A complete resection of the tumour was performed. Histopathology revealed WHO grade I meningo-epithelial meningioma with microscopic dural involvement. Postoperative scans showed complete tumour excision, with a persistent intracranial cyst. Follow-up MRI showed no recurrence. This case emphasises primary intraosseous meningioma as one of the possibilities in osteoblastic slow-growing bony lesions which can be easily misdiagnosed with other common causes of lumps and bumps in the paediatric population.<\/jats:p>","DOI":"10.1136\/bcr-2024-261608","type":"journal-article","created":{"date-parts":[[2025,1,21]],"date-time":"2025-01-21T23:45:21Z","timestamp":1737503121000},"page":"e261608","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":1,"title":["Paediatric primary intraosseous meningioma of the calvarium"],"prefix":"10.1136","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0009-0008-6974-9374","authenticated-orcid":false,"given":"Sakshi","family":"Jeswani","sequence":"first","affiliation":[{"name":"Radiodiagnosis, AIIMS Nagpur, Nagpur, Maharashtra, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-4519-2947","authenticated-orcid":false,"given":"Shilpa Namdev","family":"Pande","sequence":"additional","affiliation":[{"name":"Radiodiagnosis, AIIMS Nagpur, Nagpur, Maharashtra, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1025-0711","authenticated-orcid":false,"given":"Avinash","family":"Dhok","sequence":"additional","affiliation":[{"name":"Radiodiagnosis, AIIMS Nagpur, Nagpur, Maharashtra, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-7573-5526","authenticated-orcid":false,"given":"Chetana Ramesh","family":"Ratnaparkhi","sequence":"additional","affiliation":[{"name":"Radiodiagnosis, AIIMS Nagpur, Nagpur, Maharashtra, India"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2025,1,21]]},"reference":[{"key":"2025082703173185000_18.1.e261608.1","doi-asserted-by":"crossref","first-page":"7","DOI":"10.1007\/s00381-007-0401-y","article-title":"Primary intra-diploic meningioma in a child","volume":"24","author":"Iannelli","year":"2007","journal-title":"Childs Nerv Syst"},{"key":"2025082703173185000_18.1.e261608.2","doi-asserted-by":"crossref","first-page":"135","DOI":"10.1007\/s00062-017-0583-y","article-title":"Uncommon Cranial Meningioma: Key Imaging Features on Conventional and Advanced Imaging","volume":"27","author":"Zakhari","year":"2017","journal-title":"Clin Neuroradiol"},{"key":"2025082703173185000_18.1.e261608.3","doi-asserted-by":"crossref","first-page":"1144","DOI":"10.1148\/rg.2021200198","article-title":"Imaging Spectrum of Calvarial Abnormalities","volume":"41","author":"Khodarahmi","year":"2021","journal-title":"Radiographics"},{"key":"2025082703173185000_18.1.e261608.4","doi-asserted-by":"crossref","first-page":"106283","DOI":"10.1016\/j.clineuro.2020.106283","article-title":"Primary intraosseous meningioma of the calvarium: A systematic review","volume":"199","author":"Omofoye","year":"2020","journal-title":"Clin Neurol Neurosurg"},{"key":"2025082703173185000_18.1.e261608.5","doi-asserted-by":"crossref","first-page":"156","DOI":"10.1016\/j.inat.2018.08.007","article-title":"Malignant primary intraosseous meningioma in a pediatric patient: A case report and review","volume":"14","author":"Richardson","year":"2018","journal-title":"Interdiscip Neurosurg"},{"key":"2025082703173185000_18.1.e261608.6","doi-asserted-by":"publisher","DOI":"10.3171\/jns.2000.93.6.0940"},{"key":"2025082703173185000_18.1.e261608.7","doi-asserted-by":"crossref","unstructured":"Zou M , Yang R , Tang Z , et al . 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