Cricoarytenoid joint mobility after chronic vocal cord paralysis.
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.
Gacek
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M
State University of New York Health Science Center, Syracuse, USA.
Gacek
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D000368:Aged; D000369:Aged, 80 and over; D000818:Animals; D001284:Atrophy; D004285:Dogs; D006801:Humans; D007830:Larynx / Q000473:pathology / Q000503:physiopathology*; D008875:Middle Aged; D009068:Movement; D009130:Muscle, Smooth / Q000473:pathology; D014826:Vocal Cord Paralysis / Q000473:pathology / Q000503:physiopathology*