Clinical details and MR imaging findings

Case No.Sex, AgeClinical DetailsConventional MR Imaging FindingsMR-DSA VascularityFinal Diagnosis
1 (Fig. 1)F, 3 yr*Scalp mass, indeterminate vascularityEnhancing soft tissue mass with flow voidHighExtracranial AVM
2 (Fig. 2)F, 14 moNeck swelling, indeterminate vascularityEnhancing soft tissue mass with flow voidsHighHemangioma (proliferative phase)
3 (Fig. 3)F, 1 wkLarge occipital mass, presumed occipital encephaloceleEnhancing heterogeneous extra-calvarial massHighUndifferentiated highly vascular tumor (+)
4F, 2 yr*Eyelid mass, ?dermoid, ?encephaloceleEnhancing mass with flow voidsHighAVM
5M, 15 moEyelid hemangiomaEnhancing rounded eyelid mass, no flow voidsHighAVM
6 (Fig. 4)M, 5 yr*Nasopharyngeal massHeterogeneous mass with minor enhancementLowBurkitt lymphoma (+)
7F, 2 d*Large palatal massLarge enhancing tumorHighCystic teratoma (+)
8F, 16 yrSturge-Weber syndrome, ?ocular angiomaChoroidal thickening with enhancementLowDiffuse choroidal angioma plus detachment
9M, 2 yr*Eyelid hemangiomaEnhancing soft tissue mass, no flow voidsLowHemangioma
10F, 3 yr*Scalp lesionEnhancing soft tissue mass, no flow voidsLowVenous malformation
11M, 10 yr*?VI naevus flammeus, ?Sturge-Weber syndromeChoroidal thickening with enhancementLowDiffuse choroidal angioma
12M, 12 yr*Known cervical osteochondromaDisplacement but no invasion of the vertebral artery by bony tumorLowOsteochondroma 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.