Abstract:
:MRI may be used for detecting cartilage invasion in patients with laryngeal carcinoma. However, the normal laryngeal ossification pattern has not been studied. Our purpose was to examine the normal age-related signal patterns in the cricoid, thyroid and arytenoid cartilages on T1-weighted images. Signal in the cartilages was assessed by two radiologists in a blinded fashion using three-point scales for intensity and symmetry. Statistical analysis consisted of logistic and monotonic regression. There was excellent interobserver agreement (>85%) for all categories. The cartilages predominantly ossify symmetrically and the extent of high signal from all three increases with age. The latter may help in detection of cartilage invasion by tumor in older patients. Normal symmetry may be helpful when comparing sides for tumor invasion.
journal_name
Neuroradiologyjournal_title
Neuroradiologyauthors
Fatterpekar GM,Mukherji SK,Rajgopalan P,Lin Y,Castillo Mdoi
10.1007/s00234-003-1153-3subject
Has Abstractpub_date
2004-08-01 00:00:00pages
678-81issue
8eissn
0028-3940issn
1432-1920journal_volume
46pub_type
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