Clinical details and MR imaging findings
| Case No. | Sex, Age | Clinical Details | Conventional MR Imaging Findings | MR-DSA Vascularity | Final Diagnosis |
|---|---|---|---|---|---|
| 1 (Fig. 1) | F, 3 yr* | Scalp mass, indeterminate vascularity | Enhancing soft tissue mass with flow void | High | Extracranial AVM |
| 2 (Fig. 2) | F, 14 mo | Neck swelling, indeterminate vascularity | Enhancing soft tissue mass with flow voids | High | Hemangioma (proliferative phase) |
| 3 (Fig. 3) | F, 1 wk | Large occipital mass, presumed occipital encephalocele | Enhancing heterogeneous extra-calvarial mass | High | Undifferentiated highly vascular tumor (+) |
| 4 | F, 2 yr* | Eyelid mass, ?dermoid, ?encephalocele | Enhancing mass with flow voids | High | AVM |
| 5 | M, 15 mo | Eyelid hemangioma | Enhancing rounded eyelid mass, no flow voids | High | AVM |
| 6 (Fig. 4) | M, 5 yr* | Nasopharyngeal mass | Heterogeneous mass with minor enhancement | Low | Burkitt lymphoma (+) |
| 7 | F, 2 d* | Large palatal mass | Large enhancing tumor | High | Cystic teratoma (+) |
| 8 | F, 16 yr | Sturge-Weber syndrome, ?ocular angioma | Choroidal thickening with enhancement | Low | Diffuse choroidal angioma plus detachment |
| 9 | M, 2 yr* | Eyelid hemangioma | Enhancing soft tissue mass, no flow voids | Low | Hemangioma |
| 10 | F, 3 yr* | Scalp lesion | Enhancing soft tissue mass, no flow voids | Low | Venous malformation |
| 11 | M, 10 yr* | ?VI naevus flammeus, ?Sturge-Weber syndrome | Choroidal thickening with enhancement | Low | Diffuse choroidal angioma |
| 12 | M, 12 yr* | Known cervical osteochondroma | Displacement but no invasion of the vertebral artery by bony tumor | Low | Osteochondroma with no vascular invasion (+) |
Note.—DSA indicates digital subtraction angiography; F, female; M, male; AVM, arteriovenous malformation; (+), histologic confirmation; ?, possible.
* MR imaging examinations performed with the patient under general anesthesia.