MR imaging features of intracranial CAPNON*
| Pt No. | Age/Sex | Presentation | Location | Size (cm) | T1WI | T2WI | Enhancement |
|---|---|---|---|---|---|---|---|
| 1 | 16/M | Incidental | Temporal horn, extra-axial | 3.5 | Hypo | Hypo | Internal linear C+ |
| 2 | 35/M | Seizures | Temporal, intra-axial | 2 | Hypo | Hypo | Internal linear C+ |
| 3 | 49/F | Seizures | Hippocampus, intra-axial | 1 | Hypo | Hypo | No C+ |
| 4 | 59/M | Left arm numbness | Parietal, intra-axial | 1 | Hypo | Hypo | Rim C+ |
| Shrier et al | 32/F | Incidental | Temporal, intra-axial | 0.8 | Hypo | Hypo | Rim C+ |
| Shrier et al | 59/M | Neck pain | Foramen magnum, extra-axial | 2 | Hypo | Hypo | Heterogenous solid |
Note:—Hypo, indicates hypointense; C+, enhancement. All lesions showed dense calcification on CT; T1WI, T1-weighted imaging; T2WI, T2-weighted imaging.
* This table includes our 4 patients and 2 additional patients reported in the literature.