Cricoarytenoid joint mobility after chronic vocal cord paralysis.
basic_science · Level V
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- Record sourced from PubMed, PMID 8948616.
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Abstract
Eleven whole organ laryngeal specimens (10 human and 1 dog) with a history of long-standing (6 months to 17 years) paralysis were studied histopathologically for changes in the cricoarytenoid (CA) joints and the intrinsic laryngeal musculature. In 9 cases the paralysis was unilateral and in 2 bilateral. No evidence of CA joint ankylosis (fibrous/osseous obliteration of joint space or degeneration of articular surfaces) was seen in the specimens. The absence of CA joint ankylosis permits the efficacy of thyroplasty medialization procedures.
Medical subject headings
- Larynx
- Movement
- Vocal Cord Paralysis