Back to Search
Start Over
Clinical correlation of imaging findings in congenital cranial dysinnervation disorders involving abducens nerve.
- Source :
-
Indian journal of ophthalmology [Indian J Ophthalmol] 2017 Feb; Vol. 65 (2), pp. 155-159. - Publication Year :
- 2017
-
Abstract
- Purpose: High-resolution magnetic resonance imaging (MRI) of intracranial parts of sixth nerve and seventh nerve and the extraocular muscles (EOMs) in orbit to correlate the clinical characteristics in patients with two special forms of strabismus in congenital cranial dysinnervation disorders which are Duane's retraction syndrome (DRS) and Mobius syndrome.<br />Materials and Methods: Morphological analysis by 3T MRI of orbit (using surface coils) and brain (using 32 channel head coil) was performed on 6 patients with clinical DRS (1 bilateral), 2 cases with Mobius syndrome, and 1 case with congenital sixth nerve palsy. These were compared with findings in five controls.<br />Results: We observed absence/hypoplasia of sixth nerve in five out of seven eyes with DRS (71.42%), anomalous course in one eye, sixth and seventh nerve absence/hypoplasia in affected eyes with Mobius syndrome and bilateral absence/hypoplasia of the sixth nerve in congenital sixth nerve palsy. For EOMs we calculated maximum diameter, area, and circumference of muscles using Osirix software, and noticed significant hypoplasia of lateral rectus in comparison to controls (P < 0.001).<br />Conclusions: MRI gives useful information regarding confirmation of clinical diagnosis and its neurological anomalies in complex cases and helps to plan tailor made surgical management.
- Subjects :
- Abducens Nerve diagnostic imaging
Abducens Nerve Diseases congenital
Humans
Imaging, Three-Dimensional
Oculomotor Muscles diagnostic imaging
Pilot Projects
Abducens Nerve Diseases diagnosis
Abnormalities, Multiple
Duane Retraction Syndrome diagnosis
Magnetic Resonance Imaging methods
Mobius Syndrome diagnosis
Oculomotor Muscles innervation
Orbit diagnostic imaging
Subjects
Details
- Language :
- English
- ISSN :
- 1998-3689
- Volume :
- 65
- Issue :
- 2
- Database :
- MEDLINE
- Journal :
- Indian journal of ophthalmology
- Publication Type :
- Academic Journal
- Accession number :
- 28345573
- Full Text :
- https://doi.org/10.4103/ijo.IJO_1013_15