tailieunhanh - Báo cáo khoa học: "Bilateral Polydactyly in a foal"

Tuyển tập các báo cáo nghiên cứu khoa học quốc tế về bệnh thú y đề tài: Bilateral Polydactyly in a foal | J. Vet. Sá. 2007 8 2 201-203 JOURNAL OF Case Report Veterinary Science Bilateral Polydactyly in a foal Bianca Carstanjen1 Marie Abitbol2 Christophe Desbois3 1 Clinique Equine. 2UMR Génétique de Reproduction Animale. Ecole Nationale Vétérinaire d Alfort 7. avenue du General de Gaulle. 94704 Maisons-Alfort Cedex. France The following case report describes the diagnosis and surgery of bilateral polydactyly of unknown origin in a colt. A 7-month-old Berber colt was referred for cosmetic and curative excision of supernumerary digits. Radiographic examination revealed bilateral polydactyly and well-developed first carpal bones. Surgery consisted of an osteotomy of both second metacarpal bones combined with an amputation of the supernumerary digits. The follow-up at 18 months after surgery revealed a sound horse with an excellent cosmetic outcome. Key words congenital anomaly horse polydactyly A 7-month-old Berber colt was referred to the National Veterinary School of Maisons-Alfort. France for evaluation of right sided polydactyly. According to the owner the abnormal foot was not present at birth. The owner noticed the polydactyly during the first weeks of the foal s life. On admission the foal appeared to be in good health. Clinical examination was normal and the colt showed no signs of lameness when trotted on soft or hard surfaces. Inspection and palpation of both forelimbs revealed an additional supplementary mobile foot at the site of MC n on the right side Fig. 1 . Palpation of the left forelimb revealed a mobile distal MC n and a X cm cornified region at the medial aspect of the left fetlock joint. Radiographic examination of the right metacarpal and carpal region revealed a supernumerary digit composed of proximal middle and distal phalanges at the distal aspect of metacarpus MC n Fig. 2 as well as the development of the first carpal bone. Radiographic evaluation of the left metacarpal and carpal region showed a supernumerary digit .