![](https://static.wixstatic.com/media/a51692_28457f039baa4115b0f1e8a2c71f87a3.jpg/v1/fill/w_436,h_181,al_c,q_80,usm_0.66_1.00_0.01,enc_avif,quality_auto/a51692_28457f039baa4115b0f1e8a2c71f87a3.jpg)
![Canine Mesothelioma](https://static.wixstatic.com/media/a51692_5987b08346204d5091bad579dd62265a~mv2.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_avif,quality_auto/a51692_5987b08346204d5091bad579dd62265a~mv2.jpg)
8 YO MN Yorkshire Terrier presenting in respiratory distress. Fluid cytology showed sheets of mesothelial cells. Thoracic ultrasound revealed sessile, irregular mass in caudal thorax, near diaphragm.
![Feline Renal Lymphoma](https://static.wixstatic.com/media/a51692_640d73491d314656a28e4b445f68b614~mv2.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_avif,quality_auto/a51692_640d73491d314656a28e4b445f68b614~mv2.jpg)
10 year old FS DSH presenting with lethargy, bilateral renomegaly. The right kidney was severely enlarged and effaced by hypoechoic parenchyma.
![Feline Lung Mass](https://static.wixstatic.com/media/a51692_c199c9df74c446aaa8b906954f8edb0f~mv2.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_avif,quality_auto/a51692_c199c9df74c446aaa8b906954f8edb0f~mv2.jpg)
Patient presented with mild dyspnea and lethargy. Lung mass found on thoracic radiographs.
![Pericardial Effusion](https://static.wixstatic.com/media/a51692_f5a7f22b20cf4bafb0b3350019daaa49~mv2.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_avif,quality_auto/a51692_f5a7f22b20cf4bafb0b3350019daaa49~mv2.jpg)
8 year old MN Golden Retriever presenting for acute lethargy; hemoabdomen was suspected. The abdominal ultrasound did not identify any masses, but revealed mild ascites and an enlarged caudal vena cava, so an echocardiogram was performed.
![Right Atrial Hemangiosarcoma](https://static.wixstatic.com/media/a51692_4223ddf22baa447491803fe49b8e2db2~mv2.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_avif,quality_auto/a51692_4223ddf22baa447491803fe49b8e2db2~mv2.jpg)
8 year old Golden Retriever presenting with acute lethargy/collapse; echocardiogram showed pericardial effusion and wall mass at the junction of the right atrium and right ventricle.
![Cat with Blood Clot in Bladder](https://static.wixstatic.com/media/a51692_268d6bf847054777beb2025e82e62bff~mv2.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_avif,quality_auto/a51692_268d6bf847054777beb2025e82e62bff~mv2.jpg)
13 yo FS DSH presenting for severe hematuria; this cat's bladder was normal on an ultrasound performed one month prior. There was no history of trauma or cystocentesis, and this large clot, which moved with the cat's body position, was likely caused by primary renal hematuria. The clot resolved over several weeks and did not recur.
![Bi-lobed Gallbladder](https://static.wixstatic.com/media/a51692_ec78239215d648b08225cd935f72dd57~mv2.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_avif,quality_auto/a51692_ec78239215d648b08225cd935f72dd57~mv2.jpg)
Bi-lobed gallbladders are occasionally observed in cats and are a normal variation.
![Dry Form FIP in Young Cat](https://static.wixstatic.com/media/a51692_6dd8a82b09b14240b9b119dce8c2f48b~mv2.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_avif,quality_auto/a51692_6dd8a82b09b14240b9b119dce8c2f48b~mv2.jpg)
This 10 month old cat had a history of tenesmus and mucoid diarrhea. Her lab work showed severely elevated globulins. She had severe colonic wall thickening.
![Pseudomembranous Cystitis](https://static.wixstatic.com/media/a51692_29ff0bfd5e2f48928408907da15d782d~mv2.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_avif,quality_auto/a51692_29ff0bfd5e2f48928408907da15d782d~mv2.jpg)
This older cat had severe, recurrent hematuria. On ultrasound, she had thick bladder walls, bladder stones, an echoic septa within the bladder lumen and hyperechioc foci in her urine.
![Hypercalcemic Nephropathy](https://static.wixstatic.com/media/a51692_09369df94a9e473395f2fc8a73ff6f20~mv2.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_avif,quality_auto/a51692_09369df94a9e473395f2fc8a73ff6f20~mv2.jpg)
This 9 YO FS Labrador presented in severe acute renal failure (BUN > 150, creatinine 13.5); her total calcium was too high to read (>15.5) on in-house blood work. Her renal cortices were severely hyperechoic.
![Polycystic Kidney Disease](https://static.wixstatic.com/media/a51692_b13d1973154149f2940a5485c09109e7~mv2.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_avif,quality_auto/a51692_b13d1973154149f2940a5485c09109e7~mv2.jpg)
This 10 YO FS Ragdoll had IRIS stage 2 kidney disease and severely enlarged and irregular kidneys on palpation.
![Biliary Mucocele](https://static.wixstatic.com/media/a51692_d7eb9ff4713f49778c30aae51d77f69e~mv2.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_avif,quality_auto/a51692_d7eb9ff4713f49778c30aae51d77f69e~mv2.jpg)
12 YO FS Cairn Terrier with acute on chronic renal failure; biliary mucocele was an incidental finding. This image shows the classic "kiwi fruit" appearance.
![Renal lymphoma - cat](https://static.wixstatic.com/media/a51692_1ff4f7e3244d43e9a280473bf10b781f~mv2.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_avif,quality_auto/a51692_1ff4f7e3244d43e9a280473bf10b781f~mv2.jpg)
This image shows the classic changes of feline renal lymphoma, with an enlarged, irregular kidney and a hypoechoic perinephric rim
![Renal FIP](https://static.wixstatic.com/media/a51692_3d6947b9a52e44a2a48e43a9023524e1~mv2.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_avif,quality_auto/a51692_3d6947b9a52e44a2a48e43a9023524e1~mv2.jpg)
8 month old MN kitten with fever, lethargy, anorexia, diarrhea, elevated globulins and azotemia. The kidneys are severely enlarged on ultrasound.
![Duodenal mass](https://static.wixstatic.com/media/a51692_813bb97ae78b47beb09efb7df7b3aec5~mv2.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_avif,quality_auto/a51692_813bb97ae78b47beb09efb7df7b3aec5~mv2.jpg)
10 YO MN Yorkshire Terrier presented for vomiting with a previous history of pancreatitis. A large duodenal mass was found on ultrasound with focal peritonitis.
![Duodenal foreign body](https://static.wixstatic.com/media/a51692_a67ffa51ed3a43598ea6660b2de4ebca~mv2.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_avif,quality_auto/a51692_a67ffa51ed3a43598ea6660b2de4ebca~mv2.jpg)
12 YO MN DSH recently diagnosed with diabetes mellitus. Presented for severe vomiting - it was a long hair ball!
![Linear foreign body](https://static.wixstatic.com/media/a51692_5d729ada87e546dc8d979993fd31340d~mv2.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_avif,quality_auto/a51692_5d729ada87e546dc8d979993fd31340d~mv2.jpg)
4 YO MN DSH that vomited up a hair tie - he had severely plicated small intestines on ultrasound.
![Lymphangiectasia](https://static.wixstatic.com/media/a51692_a9f50b967fd941c595a1adf0562e9168~mv2.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_avif,quality_auto/a51692_a9f50b967fd941c595a1adf0562e9168~mv2.jpg)
10 YO MN Boston Terrier with soft stool, weight loss and mildly decreased albumin.
![Renal carcinoma](https://static.wixstatic.com/media/a51692_bd3e4bb1d72f4d40928910778189c277~mv2.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_avif,quality_auto/a51692_bd3e4bb1d72f4d40928910778189c277~mv2.jpg)
11 YO MN Pekingese presenting for acute abdominal pain. The left kidney was surgically removed - diagnosis was low grade renal carcinoma with a low mitotic index.
![Cystic ovary](https://static.wixstatic.com/media/a51692_a39852ab81b848d392a48cf4e951426b~mv2.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_avif,quality_auto/a51692_a39852ab81b848d392a48cf4e951426b~mv2.jpg)
This 1 year FS Lab cross presented 2 months after being spayed at a local shelter for signs of estrus - both ovaries were found on ultrasound!
![Renal cyst/carcinoma](https://static.wixstatic.com/media/a51692_d966f19e41da44de838314e27964bbea~mv2.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_avif,quality_auto/a51692_d966f19e41da44de838314e27964bbea~mv2.jpg)
This 18 YO FS cat had IRIS stage 2 kidney disease; an ultrasound revealed a cyst with echogenic fluid; the cyst was drained with U/S guidance, and cytology was consistent with carcinoma
![Biliary cyst adenoma](https://static.wixstatic.com/media/a51692_712a9e18f4664a4880daef89baa0d4ae~mv2.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_avif,quality_auto/a51692_712a9e18f4664a4880daef89baa0d4ae~mv2.jpg)
This small lesion was an incidental finding in a 15 YO FS DSH.
![Renal Lymphoma](https://static.wixstatic.com/media/a51692_8ecac36cecc549b8814ba349342bdd3b~mv1.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_avif,quality_auto/a51692_8ecac36cecc549b8814ba349342bdd3b~mv1.jpg)
This 4 YO MN Dalmatian was in acute renal failure; both kidneys were effaced by hypoechoic homogenous parenchyma
![Corticomedullary rim sign](https://static.wixstatic.com/media/a51692_a2b61a3c8d2a4ccc953d775cc0f479ea~mv1.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_avif,quality_auto/a51692_a2b61a3c8d2a4ccc953d775cc0f479ea~mv1.jpg)
This 11 YO FS cat presented for vomiting; renal values were normal.
![Ruptured biliary mucocele](https://static.wixstatic.com/media/a51692_69e4882d95e44a7c838805ec59ea4ce6~mv1.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_avif,quality_auto/a51692_69e4882d95e44a7c838805ec59ea4ce6~mv1.jpg)
This 12 YO MN German Shepherd mix presented for anorexia and vomiting; he had severe cranial abdominal pain and elevated ALKP and ALT.
![Bladder masses](https://static.wixstatic.com/media/a51692_089e7d34d7064765b4fcdb990548089a~mv1.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_avif,quality_auto/a51692_089e7d34d7064765b4fcdb990548089a~mv1.jpg)
15 YO MN Shih Tzu with stranguria; multiple bladder masses with metastasis to sublumbar lymph node found on ultrasound
![Benign prostatic hyperplasia](https://static.wixstatic.com/media/a51692_b3b5da7a32ce4e9e8f58e531134a67f4~mv1.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_avif,quality_auto/a51692_b3b5da7a32ce4e9e8f58e531134a67f4~mv1.jpg)
12 YO male intact Scottish Terrier - very typical appearance of BPH