Keywords:
Ear / Nose / Throat, Paediatric, Head and neck, CT-High Resolution, CT, Statistics, Congenital, Dysplasias
Authors:
M. Almuntashri; Riyadh, Riyadh/SA
DOI:
10.1594/ecr2018/C-1473
Results
Total of 40 patients were collected.
6 patients had bilateral microtia resulting in total of 46 ears were analyzed.
No |
count of Pinna Grading |
% |
|
Grade 1 |
2 |
4.3 |
|
Grade 2 |
18 |
39.1 |
|
Grade 3 |
26 |
56.5 |
|
Total |
46 |
100 |
|
No |
Count of EAC cartilaginous |
% |
|
Atresia |
36 |
78.3 |
|
Stenosis |
10 |
21.7 |
|
Total |
46 |
100 |
|
No |
Count of ossicles |
% |
|
Normal |
2 |
4.3 |
|
Abnormal |
44 |
95.7 |
|
Total |
46 |
100 |
|
No |
Middle ear cavity |
% |
|
Normal |
28 |
60.9 |
|
Abnormal |
18 |
39.1 |
|
Total |
46 |
100 |
|
count |
Inner ear |
% |
|
Normal |
40 |
87 |
|
Abnormal |
6 |
13 |
|
Total |
46 |
100 |
|
Further Analysis:
Out of 26 pts with grade 3 (severe pinna deformity): (100%) had associated anomalies of outer and middle ears).
25 pts had severe atresia of outer ear and only one patient had stenosis.
- All pts had deformed,
fused and hypoplastic ossicles.
Inner ear anomalies in 6 patients:
- Grade 3 (severe): only one pt had abnormal dilated vestibule.
- Grade 2:One pt had IP2,
One pt had deformed porus acousticus.
One pt had vestibule and SCC hypoplasia and deformity,
and bilateral facial nerve canal hypoplasia.
- Grade 1: two pts had hypoplastic SCC.