Abdominal masses

image of Abdominal masses
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An abdominal mass is usually first detected on palpation of the abdomen during physical examination. Sometimes the mass may be too small to palpate, or within the confinement of an organ, and therefore not found on physical examination. Such masses are usually detected on ultrasound examination of the abdomen, either as an incidental finding or when investigating other presenting signs. This chapter deals with clinical presentation, diagnostic approach and treatment.

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Image of 5.2.1
5.2.1 Ultrasound image of a cholangiocarcinoma. There is a 2 × 2.8 cm mass in the right liver lobe, hyperechoic to liver parenchyma. The duodenum is looping around the mass, which is in direct contact with the wall. This was a 13-year-old, neutered female DSH cat with a 2-month history of weight loss, reduced appetite and lethargy. (Courtesy of North Downs Specialist Referrals.)
Image of 5.2.2
5.2.2 Ultrasound image of renal lymphoma. The kidney is enlarged, has a hyperechoic cortex and is irregular in outline. There is anechoic fluid between the renal capsule and the cortex of the kidney. This was a 4-year-old, neutered female DSH cat with a 3-week history of PU/PD, weight loss, reduced appetite and lethargy. (Courtesy of North Downs Specialist Referrals.)
Image of 5.2.3
5.2.3 Ultrasound image of hydronephrosis of the left kidney. This was a 1-year-old neutered male DSH cat with a history of mild distension of the abdomen and lethargy. Following investigations an ectopic ureter was identified, which was responsible for causing secondary hydronephrosis. (Courtesy of North Downs Specialist Referrals.)
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