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Proceedings Paper

Transendoscopic Nd:YAG ablation of cystic lesions in 27 large animals: 1986-1995
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Paper Abstract

Hospital medical surgery records and laser logs were examined to determine the population of large animals presented to the College of Veterinary Medicine treated by laser and conventional means for cystic lesions. Cystic lesions were most frequently found in 2 anatomical locations: endometrial cysts and upper respiratory cysts. The majority of endometrial cysts were considered to be acquired, whereas the most frequently encountered upper respiratory cysts were believed to be congenital due to the fact they were most frequently seen in young animals. Nine mares, totaling 42 endometrial cysts, were presented to the Veterinary Teaching Hospital (VTH), all of which had been treated by transendoscopic Nd:YAG laser ablation. Eighteen of the respiratory cysts in the same time period were presented to the VTH, of which 10 received conventional surgery and 8 were laser photoablated. Respiratory cysts treated by conventional surgery were generally found in locations inaccessible to visualization by transendoscopic technique, and thus required a surgical approach under general anesthesia. All mares with endometrial cysts were presented with a history of conception failure. After laser ablation, a majority of the mares were able to carry a foal to term and none represented with recurrence of endometrial cysts. Horses that presented with upper respiratory cysts also did not experience recurrence of cysts; although several horses, 1 treated by laser ablation and 4 treated by conventional surgery for frontal and/or maxillary sinus cysts, had transitory sinusitis. Transendoscopic Nd:YAG photoablation of cysts appears to be a very satisfactory means of treating this particular form of lesion in large animals with minimal complications and it can be performed with the animal in a standing position as an outpatient.

Paper Details

Date Published: 22 May 1997
PDF: 7 pages
Proc. SPIE 2970, Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems VII, (22 May 1997); doi: 10.1117/12.275045
Show Author Affiliations
Lloyd P. Tate V.D.M., North Carolina State Univ. College of Veterinary Medicine (United States)

Published in SPIE Proceedings Vol. 2970:
Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems VII
R. Rox Anderson M.D.; Harvey Lui M.D.; Michail M. Pankratov; Kenneth Eugene Bartels D.V.M.; Gerhard J. Mueller; Graham M. Watson M.D.; Reza S. Malek M.D.; Lawrence S. Bass M.D.; Lloyd P. Tate V.D.M.; Hans-Dieter Reidenbach; Kenneth Eugene Bartels D.V.M.; R. Rox Anderson M.D.; Lawrence S. Bass M.D.; Aaron P. Perlmutter M.D.; Kenton W. Gregory M.D.; David M. Harris; David M. Harris; Harvey Lui M.D.; Reza S. Malek M.D.; Gerhard J. Mueller; Michail M. Pankratov; Aaron P. Perlmutter M.D.; Hans-Dieter Reidenbach; Lloyd P. Tate V.D.M.; Graham M. Watson M.D., Editor(s)

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