|
| Study | Age/gender | Preoperative symptoms/interval of symptoms, months | Location | Size | CT features | MRI Features | Cystic degeneration | Surgical approach | IHC | Preoperative diagnosis | Adjacent cranial suture | Recurrence |
| T1WI | T2WI | Enhancement |
|
| Nakayama et al. 2001 [6] | 47/F | Motor weakness at left lower extremity/24 | Right frontal | About 8.0 cm long | Hypodense/calcification | Hypo | Hyper | Inhomogeneous | Yes | Bifrontal craniotomy | S-100 (+) | NA | Coronal suture | NA |
| Erdogan et al. 2006 [8] | 14/M | Seizures/1 | Left frontal | | Mixed density/calcification | Hypo | Hyper | Inhomogeneous | Yes | NA | NA | Meningioma | Coronal suture | NA |
| Cosar et al. 2005 [10] | 21/F | Headache and dizziness/NA | Left frontal | | Mixed density/no calcification | Hypo | NA | NA | No | Left frontoparietal craniotomy | NA | NA | Coronal suture | NA |
| Kawabata et al. 2012 [12] | 48/F | Episodic headaches/NA | Left frontoparietal | | Hyperdense/calcification | Hypo | Mixed | Inhomogeneous | Yes | Left frontoparietal osteoplastic craniotomy | S-100 (+) | Meningioma | Coronal suture | NA |
| Abeloos et al. 2012 [13] | 22/F | Progressive headaches and cervical pain/12 | Right frontoparietal | | NA | Hypo | NA | Inhomogeneous | Yes | Right frontoparietal craniotomy | S-100 (+), AE1AE3 (-), EMA (-), MIB-1/Ki67 (< 1%) | Meningioma | Sagittal suture | NA |
| Feierabend et al. 2018 [14] | 25/M | Seizure/NA | Right frontal | | Mixed density/calcification | Hypo | Mixed hypo and hyper | Inhomogeneous | No | Right frontal osteoplastic parasagittal craniotomy | S-100 (++++) | Meningioma | Coronal suture | No |
| Reinshagen et al. 2016 [15] | 39/F | Headache, neck tenderness, tinnitus, and dizziness/NA | Left frontal | | NA | Iso to hypo | Heterogeneous hyper | Inhomogeneous | No | Left frontoparietal craniotomy | NA | Meningioma | Coronal suture | NA |
| Shrot et al. 2018 [16] | 14/F | Confusion, altered mental status, rigidity, and fever/NA | Right frontal | | Hyperdense/no calcification | Hypo | Hypo | Inhomogeneous | No | Right frontal craniotomy | NA | NA | None | NA |
| Raju et al. 2017 [17] | 26/M | Headache and seizures/NA | Left frontotemporal | NA | Mixed density/calcification | NA | NA | Inhomogeneous | No | NA | NA | Meningioma | Coronal suture/squamosoparietal suture | NA |
| Colpan et al. 2003 [18] | 40/F | Dizziness/3 | Right frontoparietal | | NA | Iso to hypo | Mixed | Inhomogeneous | No | Right frontoparietal craniotomy | NA | NA | Coronal suture/sutura sphenoehtmoidea | No |
| Wu et al. 1970 [19] | 32/F | Speech difficulty and seizures/3 | Left parietal | | NA | NA | NA | NA | NA | Left parietal craniotomy | NA | NA | NA | NA |
| Hardy et al. 1978 [20] | 22/F | Headache and intermittent dizziness/12 | Left frontal | NA | NA | NA | NA | NA | NA | Left frontoparietal craniotomy | NA | NA | NA | No |
| Mapstone et al. 1983 [21] | 17/M | Major motor seizure/NA | Right frontoparietal | | Mixed density/calcification | NA | NA | NA | No | Right frontoparietal craniotomy | NA | NA | Coronal suture | NA |
| Nakazawa et al. 1993 [22] | 16/F | Found coincidentally | Left parietal parasagittal | | Mixed density/calcification | Hypo | Mixed hyper and iso | Inhomogeneous | Yes | Left parietal craniotomy | NA | NA | Coronal suture/sagittal suture | NA |
| Takano et al. 1997 [23] | 53/F | Found coincidentally | Left frontotemporal | | Hyperdense/NA | Heterogeneous hypo | Mixed | Inhomogeneous | No | NA | NA | NA | Suturae sphenofrontalis/sphenosquamosal suture | NA |
| Matz et al. 1981 [24] | 20/M | Headache, vomiting, and blurred vision/8 | Left frontoparietal | | Hyperdense/calcification | NA | NA | NA | NA | Left frontotemporoparietal craniotomy | NA | NA | Coronal suture | No |
| Hong et al. 2005 [25] | 18/M | Seizures/NA | Left frontal | | Hyperdense/calcification | NA | NA | Inhomogeneous | No | NA | NA | NA | Coronal suture | NA |
| Lacerte et al. 1996 [26] | 32/F | Headache and slight weakness and fine tremor of the left arm/NA | Right frontal | | Mixed density/calcification | Hypo | Iso and hyper | NA | Yes | Right frontal craniotomy | NA | NA | Coronal suture | NA |
| Laghmari et al. 2007 [27] | 50/M | Headache/NA | Right frontal | NA | Hyperdense/calcification | Iso | Hyper | Inhomogeneous | Yes | NA | S-100 (+) | NA | Coronal suture | No |
| Delgado-Lopez et al. 2007 [28] | 18/M | Single generalized seizure/NA | Left frontal-parietal | | NA | NA | NA | Inhomogeneous | Yes | Left frontal-parietal craniotomy | NA | NA | Coronal suture | No |
| Sullivan et al. 2019 [29] | 31/M | Found coincidentally | Left frontal | | NA | Hyper | Mixed hyper and hypo | Inhomogeneous | Yes | Left parietal craniotomy | NA | Meningioma | Sagittal suture | NA |
| Sugiura et al. 2015 [30] | 45/F | Left-sided continuous headache /1 | Left parietal | 4.5 | Iso to slightly high density mass/calcification | Hypo | Hyper | No | No | Frontoparietal craniotomy | Vimentin (+), S100P (+), EMA (-), Ki-67 (-) | NA | Squamosoparietal suture | No |
| Current case 1 | 37/F | Intermittent headache and dizziness/84 | Right parietal | | Hyperdense/calcification | Slightly hypo | Slightly hyper | Inhomogeneous | No | Right parietal-occipital craniotomy | CK (-), EMA (-), S-100 (+), vimentin (+), Brachyury (-), Ki-67 (0-1%) | Meningioma | Suture parieto-occipital | No |
| Current case 2 | 23/M | Found coincidentally | Right frontal | | Hypodense/calcification | Uneven hypo | Uneven hyper | Inhomogeneous | Yes | Right frontal craniotomy | NA | Meningioma | Coronal suture | No |
| Current case 3 | 41/F | Dizziness/3 | Left frontal | | NA | Isointense | Mixed | Inhomogeneous | Yes | Left frontal craniotomy | P53 (-), Ki-67 (-) | Meningioma | Coronal suture | No |
| Current case 4 | 53/F | Found coincidentally | Left frontal | | Hyperdense/calcification | Mixed | Mixed | Inhomogeneous | No | Left frontotemporal craniotomy | NA | Meningioma | Coronal suture | No |
| Current case 5 | 57/F | Right limb numbness/3 | Left frontotemporal | | Mixed density/calcification | Slightly hypo | Slightly hypo | Inhomogeneous | Yes | Left frontotemporal craniotomy | NA | Meningioma | Coronal suture | No |
|
