Peer-reviewed veterinary case report
Liver tumor imaging features in a 13-year-old Shetland sheepdog
By Sakai, Osamu et al.·Published in Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·2025·Faculty of Veterinary Medicine, Japan·View original on PubMed →
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Original publication title: Imaging Characteristics of Primary Hepatic Leiomyosarcoma in a Dog.
- Species:
- dog
Plain-English summary
A 13-year-old male Shetland sheepdog was brought in because he was not eating, had yellowing of the skin and eyes (jaundice), and seemed very tired. An ultrasound and CT scan showed a large mass in his liver, which was confirmed to be a type of cancer called leiomyosarcoma after further tests. Unfortunately, despite the diagnosis, the dog did not survive. This case highlights the importance of imaging in identifying liver tumors in dogs.
People also search for: dog jaundice symptoms · Shetland sheepdog liver cancer · dog loss of appetite treatment
Abstract
A 13-year-old castrated male Shetland sheepdog presented with loss of appetite, jaundice, and lethargy. Abdominal ultrasonography revealed a hypoechoic mass in the midline of the liver relative to the normal liver parenchyma. CT revealed a hepatic mass with low attenuation (28 HU) on precontrast CT and peripheral contrast enhancement in all phases: arterial phase (93 HU), portal phase (102 HU), and delayed phase (86 HU). The mass size was 4.6 × 3.2 × 3.4 cm. Postmortem MRI findings showed that the hepatic mass had low and high signal intensities on T1 and T2-weighted images, respectively. Histopathological assessment revealed leiomyosarcoma based on morphological and immunohistochemical findings. No tumors other than those in the liver were found; therefore, a diagnosis of primary hepatic leiomyosarcoma was made.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/40341747/