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Ultrasonographic characteristics of splenic and hepatic lymphosarcoma in three horses
M K Chaffin1, D G Schmitz, G W Brumbaugh
1Department of Large Animal Medicine and Surgery, Texas Veterinary Medical Center, College of Veterinary Medicine, Texas A&M University, College Station 77843-4475.
Abstract:
Splenic and hepatic ultrasonography were beneficial for diagnosis of lymphosarcoma in 3 horses with anorexia, weight loss, and lethargy. Ultrasonographic abnormalities of the spleen included a large, complex, hypoechoic mass in 1 horse, multiple well-marginated, hypoechoic nodules in 1 horse, and diffuse hyperechogenicity in another horse. Ultrasonographic abnormalities of the liver included a spherical, hypoechoic nodule in 1 horse and diffuse hyperechogenicity in another. Histologic examination of ultrasound-guided biopsy specimens or aspirates revealed lymphosarcoma. Necropsy findings confirmed diagnosis of lymphosarcoma in all horses. Necropsy findings of the liver and spleen correlated well with antemortem ultrasonographic images.