Table 2:
Patient No./Age (mo/sex) | Side | IAC | Cochlea |
Vest | VA | VA angle | Semi-circular canals |
||||
---|---|---|---|---|---|---|---|---|---|---|---|
Aperture | Basal | Apical | LSCC | PSCC | SSCC | ||||||
1/UTI/UTI | R | Normal | Trapped | Normal | Normal | Dys | Present | Reversed | Absent | Absent | Absent |
L | Normal | Trapped | Normal | Normal | Normal | Present | Normal | Absent | Absent | Absent | |
2/UTI/UTI | R | Normal | UTI | Normal | Hypo | Hypo | UTI | UTI | Absent | Absent | Absent |
L | Normal | UTI | Normal | Hypo | Dys | UTI | UTI | Absent | Absent | Absent | |
3/4/F | R | Normal | Trapped | Normal | Hypo | Hypo | Present | Reversed | Absent | Absent | Absent |
L | Normal | Trapped | Normal | Hypo | Hypo | Present | Reversed | Absent | Absent | Absent | |
4 | R | Normal | Trapped | Normal | Hypo | Dys | Present | Reversed | Absent | Absent | Absent |
L | Normal | Trapped | Normal | Hypo | Dys | Present | Normal | Absent | Absent | Absent | |
5/UTI/UTI | R | Normal | Trapped | Normal | Normal | Dys | Large | Normal | Absent | Absent | Absent |
L | Normal | Trapped | Normal dys | Normal | Normal | Present | Normal | Absent | Absent | Absent | |
6/264/F | R | Normal | Trapped | Modio dys | Hypo | Normal | Present | Normal | Absent | Absent | Absent |
L | Small | Trapped | Modio | Hypo | Normal | Large | Normal | Absent | Absent | Absent | |
7/65/UTI | R | Normal | UTI | UTI | UTI | UTI | UTI | UTI | UTI | UTI | UTI |
L | Normal | UTI | Enlarged | Enlarged | Dys | UTI | UTI | Absent | Absent | Absent | |
8/UTI/UTI | R | Normal | UTI | Enlarged | Enlarged | UTI | UTI | UTI | Absent | Absent | Absent |
L | Normal | UTI | Enlarged | Enlarged | UTI | UTI | UTI | Absent | Absent | Absent | |
9/3/M | R | Small | Trapped | Normal | Hypo | Hypo | Present | Reversed | Absent | Absent | Absent |
L | Small | Trapped | Normal | Hypo | Hypo | Present | Reversed | Absent | Absent | Absent | |
10/4/M | R | Normal | Trapped | Normal | Hypo | Hypo | Large | Reversed | Absent | Absent | Absent |
L | Normal | Trapped | Normal | Hypo | Hypo | Present | Reversed | Absent | Absent | Absent | |
11/16/F | R | Normal | Trapped | Normal | Hypo | Hypo | Present | Reversed | Absent | Absent | Absent |
L | Normal | Trapped | Normal | Hypo | Hypo | Present | Reversed | Absent | Absent | Absent | |
12/60/M | R | Normal | Trapped | Normal | Hypo | Normal | Large | Reversed | Absent | Absent | Absent |
L | Normal | Trapped | Normal | Hypo | Normal | Present | Reversed | Absent | Absent | Absent | |
13/72/M | R | Normal | Trapped | Normal | Hypo | Normal | Large | Normal | Absent | Absent | Absent |
L | Normal | Trapped | Normal | Hypo | Normal | Present | Normal | Absent | Absent | Absent |
Note:—IAC indicates internal auditory canal; Vest, vestibule; VA, vestibular aqueduct; LSCC, lateral semicircular canal; SSCC, superior semicircular canal; PSCC, posterior semicircular canal; UTI, unable to identify; Dys, dysplastic; Modio, modiolus; Hypo, hypoplastic.