MR imaging findings in 6 patients with uveal schwannoma
No./Age (yr)* | Location | Shape | Bulge of Globe Wall | Displacement of Lens and Iris | Size | Margin | Signal Intensity on MR Imaging | Enhancement | Other Findings | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Relative to Vitreus | Relative to Brain | |||||||||||
T1WI | T2WI | T1WI | T2WI | |||||||||
1/37 | Right temporal ciliochoroidal region | Oval | No | Yes | 21 × 15 × 12 mm | Well-defined | Hyper, homo | Mixed hypo, iso | Iso, homo | Mixed iso, hyper | Hetero | RD |
2/19 | Left nasal ciliochoroidal region | Oval | Yes | Yes | 15 × 13 × 12 mm | Well-defined | Hyper, homo | Hypo, homo | Iso, homo | Iso, homo | Homo | |
3/22 | Right nasal ciliochoroidal region | Oval | Yes | Yes | 16 × 13 × 11 mm | Well-defined | Hyper, homo | Hypo, homo | Iso, homo | Iso, homo | Hetero | |
4/36 | Left temporal choroid | Oval | Yes | No | 13 × 10 × 9 mm | Well-defined | Hyper, homo | Mixed hypo, iso | Iso, homo | Mixed iso, hyper | Homo | RD, schwann of extremities |
5/38 | Right nasal ciliochoroidal region | Round | No | Yes | 10 × 10 × 10 mm | Well-defined | Hyper, homo | Mixed hypo, iso | Iso, homo | Mixed hyper, iso | Hetero | RD |
6/63 | Left inferior ciliary body | Oval | No | Yes | 8 × 6 × 6 mm | Well-defined | Hyper, homo | Hypo, homo | Iso, homo | Iso, homo | Homo |
Note:—Hyper indicates hyperintense; hypo, hypointense; iso, isointense; homo, homogeneous; hetero, heterogeneous; RD, retinal detachment; schwann, schwannomas; T1WI, T1-weighted imaging; T2WI, T2-weighted imaging.
* All female sex.