Idiopathic mucosal lesions of the arytenoid cartilages of 21 Thoroughbred yearlings: 1997–2001

• DOI: 10.2746/042516403776148318
• Publication Date: 2007-04-12T23:03:27Z
• Authors: G. KELLY; J. M. LUMSDEN; G. DUNKERLY; T. WILLIAMS; D. R. HUTCHINS
• Keywords: Arytenoid cartilage; Respiratory tract; Chondropathy

Mucosal ulcers and, occasionally, small granulomas on the axial surface of one or both arytenoid cartilages have been found in TB yearlings presented for post sale endoscopic examination.To determine incidence, characteristics and outcome a group Thoroughbred affected with mucosal cartilage.The incidence ulceration yearling Thoroughbreds is relatively high compared to other upper airway abnormalities; that majority heal uneventfully, although percentage may progress granuloma less commonly, chondropathy.The findings sale, examinations 3312 yearlings, during 5 year period, were reviewed, including those abnormalities listed conditions others not but considered likely cause obstruction. Information obtained from medical record horses had cartilage included location size lesion(s), sex horse presence nature concurrent portion respiratory tract. Additional information treatment results follow-up, examination by authors attending veterinarian.Mucosal lesions seen 0.63% evaluated, which represented most common, documented condition The 15 19 healed without complication follow-up examination; was lost follow-up. Two bilateral, developed at each site ulceration. One subsequently, chondropathy.Arytenoid sales commonly encountered abnormality progressed mucosa cartilage, particularly rostral margin vocal process, should be examined carefully tract sale. Because or, chondropathy, identification warrants notification purchaser company. Medical therapy performed if lesion has healed.