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Pre-surgical assessment of splenic tumors in dogs: a retrospective study of 57 cases (2012-2017)
Mokhyeon Lee1,†, Jiyoung Park1,†, Hojung Choi2, Haebeom Lee1, Seong Mok Jeong1,*
1Department of Veterinary Surgery, College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Korea
2Department of Veterinary Diagnostic Imaging, College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Korea
Correspondence to: Tel: +82-42-821-6763; Fax: +82-42-821-6703; E-mail: jsmok@cnu.ac.kr
The first two authors contributed equally to this work.
Received: July 6, 2018; Revised: August 12, 2018; Accepted: August 15, 2018; Published online: August 30, 2018.
Abstract
The purpose of this study was to evaluate the clinical and imaging characteristics of splenic tumors and to establish guidelines for the pre-surgical assessment of splenic tumors. Fifty seven dogs that received total splenectomy for the treatment of splenic tumors were evaluated by medical records, hematologic results, diagnostic imaging results and histopathologic results. The maximum lesion size from ultrasonography was significantly different between malignant and benign tumors (p = 0.002). There was a correlation between margination and type of splenic tumors (p = 0.045). Pre-contrast lesion attenuation (HU) on computed tomography was significantly different between splenic malignant and benign tumors (p = 0.001). The mean ± SD pre-contrast lesion attenuation of malignant tumors was 40.3 ± 5.9 HU, and for benign tumors, it was 52.8 ± 6.8 HU. In conclusion, some variables of the imaging examination could be distinguished by the type of splenic tumors. Based on this study, using a flowchart would be effective to increase the survival rate of patients with splenic malignant tumors. However, FNA or MRI may be useful in reaching more accurate diagnosis before surgical exploration and histopathologic examination.
Keywords: Spleen, tumor, malignancy, flowchart, dog


© 2018 The Korean Society of Veterinary Science.