Diagnostic imaging of nasal malignant melanoma in a dog
2008
Jung, J.H. (Seoul National University, Seoul, Republic of Korea) | Kwon, J.K. (Seoul National University, Seoul, Republic of Korea) | Chang, J.H. (Seoul National University, Seoul, Republic of Korea) | Oh, S.K. (Seoul National University, Seoul, Republic of Korea) | You, M.H. (Seoul National University, Seoul, Republic of Korea) | Kim, D.Y. (Seoul National University, Seoul, Republic of Korea) | Yoon, J.H. (Seoul National University, Seoul, Republic of Korea) | Choi, M.C. (Seoul National University, Seoul, Republic of Korea), E-mail: mcchoi@snu.ac.kr
A neutered male, 8-year-old, Pekingese, weighing 4.3 kg with a history of anorexia, sneezing, nasal discharge, and epistaxis for one month was referred. Soft tissue swelling around the nasal bone and small defects of the hard palate with a tiny round dark red mass were found on physical examination. The laboratory tests represented mild leukocytosis. On skull radiographs, soft tissue swelling and osteolytic change of the incisor bone, nasal bone, and maxilla were found. On computed tomography scan images, there was soft tissue attenuating opacity with calcified spots in the bilateral nasal cavities and frontal sinuses. Loss of nasal turbinate pattern and nasal septum was found. And destruction of the insicor bone, nasal bone, maxilla, hard palate, perpendicular palatine bone, and cribriform plate were identified. Nasal malignant melanoma was confirmed by nasal biopsy.
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