Table 1:

Inner ear imaging findings in patients included in this studya

PatientAge at MRI/CTCochleaCochlear NerveVestibulePosterior SCCSuperior SCCLateral SCC
A?/?FlattenedPresentEnlargedAgenesisNLarge arch, thin
B32 mo/32 moSmallPresentEnlargedSmall arch, thickLarge arch, thinLarge arch, thin
C32 mo/32 moSmallPresentEnlargedSmall arch, thickNSmall arch, thick
D1b5 wk/–Small, flattenedPresentEnlargedSmall arch, thickSmall arch, thickSmall arch, thick
D2b2 mo/2 moSmall, flattenedPresentEnlargedNR: small arch, thick L: NSmall arch, thick
E3 yr/3 yrFlattenedPresentEnlargedAgenesisAgenesisR: agenesis; L: small arch, thick
F2 mo/–Small, flattenedAbsentEnlargedAgenesisAgenesisR: agenesis; L: small, thin
G5 yr/5 yrFlattenedPresentEnlargedAgenesisAgenesisAgenesis
H18 yr/–Small, flattenedR: present; L: present, thinEnlargedAgenesisAgenesisSmall, thin
I20 mo/20 moSmall, flattenedPresentEnlargedAgenesisSmall arch, thickR: small, thin, incomplete; L: small, thin
J4 yr/4 yrSmall, flattenedR: present; L: absentEnlargedAgenesisAgenesisAgenesis
K18 mo/18 moNPresentEnlargedAgenesisAgenesisSmall, thin
L–/16 yrSmallN/AR: enlarged; L: NSmall arch, thickAgenesisSmall arch, thick
M8 days/ 8 daysSmall, flattenedAbsentEnlargedAgenesisAgenesisAgenesis
N31 yr/31 yrFlattenedPresentEnlargedAgenesisSmall arch, thickSmall arch, thick
Agenesis or absence (%)21675333
Defect (%)93291009387100
  • Note:—N indicates normal; N/A, could not be analyzed; R, right; and L, left; –, not performed; ?, age unknown.

  • a When right or left is not specified, the same findings were observed in both sides. In the case of an asymmetric defect, the percentage of absence and/or defects was calculated on the basis of the more severe side.

  • b Brothers.