Table 1 Summary of the Sylvian fissure meningiomas in adult patients reported in the literature which possess clear images evidence
From: A huge cerebral parenchymal meningioma in sylvian fissure: case report and literature review
Study (year) | Age/gender | Location | Size of the tumor | Key imaging features | Histology | Outcome/follow up |
|---|---|---|---|---|---|---|
Okamoto et al. (1985) [19] | 35/F | left sylvian fissure | About 30 mm in diameter | Slightly hyperdense and homogeneous in CT with severe perifocal edema | WHO grade 1 (fibroblastic) | Gross total removal, N/A |
Chiocca et al. (1994) [8] | 26/F | right parietal lobe deep in the sylvian fissure | 17 × 14 mm | Homogeneous hypointense in T1 and T2 with slight edema | WHO grade 1 (fibrous) | Gross total removal, N/A |
Chang et al. (2005) [11] | 35/M | insular region filling the sylvian fissure | 35 mm, circular | Isointense and homogenously enhanced in T1 and T2 with severe edema | WHO grade 1 (transitional) | Subtotal removal and gamma-knife, N/A |
McIver et al. (2005) [9] | 23/M | right sylvian fissure | About 30 mm in diameter | Heterogeneously enhanced in MRI, centrally necrotic | WHO grade 2 (chordoid) | Subtotal removal, no progression in 17 months |
Eghwrudjakpor et al. (2006) [20] | 73/F | right sylvian cleft | About 40Â mm in diameter | Hyperdense with partially calcified in CT | WHO grade 1 (meningothelial) | Gross total removal, N/A |
Cecchi et al. (2009) [21] | 23/M | left sylvian fissure | About 50 mm in diameter | Heterogeneous in T1 and T2 with moderate edema | WHO grade 2 (atypical) | Subtotal removal and radiotherapy, no progression in 2 years |
Ma et al. (2012) [22] | 53/M | left sylvian fissure | 70 × 62 × 50 mm | Homogeneous and intense enhancement with moderate edema | WHO grade 2 (atypical) | Subtotal removal and gamma-knife, no progression in 2 years |
Chae et al. (2012) [10] | 69/M | left sylvian fissure extending into the left temporal lobe | 24 × 30 × 25 mm | Calcified, with moderate edema and heterogenous enhancement | WHO grade 1 (psammomatous) | Subtotal removal, N/A |
Aras et al. (2013) [23] | 28/M | right sylvian fissure | 53 × 32 × 48 mm | Homogeneously enhanced, hypointensity in T1 and iso-hypointensity in T2 with mild edema | WHO grade 1 (meningothelial) | 1st subtotal removal and 2nd gross total removal, no relapse in 5 years |
Kim et al. (2013) [24] | 43/M | right deep sylvian fissure | 15 × 16 × 16 mm | Isointense in T1 and T2, rim enhancement with minimal calcifications and edema | WHO grade 2 (Lymphoplasmacyte-rich) | Subtotal removal, no progression in 4 years |
Yamagishi et al. (2019) [13] | 32/M | right sylvian fissure | 24 × 19 × 21 mm | Isointense in T1 and T2 with homogenous enhancement and calcification | WHO grade 1 (transitional) | Gross total, no relapse in 6 months |
Present case (2024) | 34/M | right deep sylvian fissure | 97 × 53 × 64 mm | Heterogeneously enhanced in T1 and T2 with cysts | WHO grade 2 (clear cell) | Gross total, no relapse in 4 months |