Intradural osteomas: Report of two cases

Table 1 Clinical data from reports in the literature and our cases of intradural osteoma

Ref.	Age in year, Sex	History of head injury	Symptom	Location	Space position
Dukes and Odom[14], 1962	43, F	Head injury	Headache	Right frontal	Subdural
Vakaet et al[16], 1983	16, F	No	Headache and Jacksonian seizures	Frontal	Not available
Choudhury et al[15], 1995	20, F	No	Headache	Right frontal	Subdural
Lee et al[1], 1997	28, F	No	Headache	Left frontal	Subarachnoid
Aoki et al[8], 1998	51, F	No	Headache	Right frontal	Subdural
Cheon et al[9], 2002	43, F	No	Headache	Left frontal	Subdural
Akiyama et al[4], 2005	24, M	No	Headache	Right frontal	Subarachnoid
Jung et al[10], 2007	60, M	No	Headache	Right frontal	Subarachnoid
Barajas et al[11], 2012	63, F	No	Altered mental status	Right temporal	Subarachnoid
Chen et al[17], 2013	64, F	No	Tinnitus and dizziness	Right frontal	Parafalx
Krisht et al[5], 2016	22, F	No	Headache	Left frontal parafalx and anterior skull base	Not available
Cao et al[3], 2016	54, M	Zygomatic fracture	Dizziness	Right parietal	Subdural
Kim et al[2], 2016	29, F	No	Headache	Right frontal	Subdural
Takeuchi et al[6], 2016	40, F	No	Headache	Right frontal	Parafalx
Yang et al[12], 2018	64, F	No	Dizziness	Left temporal	Subdural
Yang et al[12], 2020	35, F	No	Headache and fatigue	Right frontal	Subdural
Present case 1	47, F	No	Headache and dizziness	Left frontal	Subdural
Present case 2	56, F	No	Accidentally	Right great wing of sphenoid	Subarachnoid

F: Female; M: Male.