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J Vet Sci 2018; 19(4): 582-584  https://doi.org/10.4142/jvs.2018.19.4.582
Unilateral rostral mandibulectomy for gingival vascular hamartoma in two calves
Takeshi Tsuka1,*, Yoshiharu Okamoto1, Naoki Yamamoto2, Keiji Hayashi3, Takehito Morita1, Yuji Sunden1, Yusuke Murahata1, Kazuo Azuma1, Tomohiro Osaki1, Norihiko Ito1, Tomohiro Imagawa1
1Department of Veterinary Clinical Medicine, School of Veterinary Medicine, Tottori University, Tottori 680-8553, Japan
2Shimane Prefectural Federation Agricultural Mutual Aid Association, Shimane 690-0887, Japan
3Tottori Prefectural Federation Agricultural Mutual Aid Association, Tottori 689-2202, Japan
Correspondence to: Tel: +81-857-31-5435; Fax: +81-857-31-5449; E-mail: tsuka@muses.tottori-u.ac.jp
Received: November 7, 2017; Revised: February 27, 2018; Accepted: March 3, 2018; Published online: July 31, 2018.
Abstract
A 2-month-old female Holstein calf and a 5-month-old female Japanese black calf presented with gingival vascular hamartoma located in the interdental space between the second and third mandibular incisors in the right and left mandibles, respectively. On radiographic or computed tomographic images, osteolytic changes appeared within the mandibular bones adjacent to the masses. The masses were removed along with affected mandibular bone by using unilateral rostral mandibulectomy. After surgery, both cases exhibited a normal appetite and grew normally, with no cosmetic changes or recurrences. Unilateral rostral mandibulectomy can be applied for invasive gingival vascular hamartomas associated with osteolytic changes.
Keywords: cattle, computed tomography, hamartoma, mandibular osteotomy, radiography


© 2018 The Korean Society of Veterinary Science.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.