Ultrasonographic features of intestinal adenocarcinoma in five cats

Bill J. Rivers, Patricia A. Walter, Daniel A. Feeney, Gary R. Johnston

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49 Scopus citations


Adenocarcinoma, followed by lymphosarcoma, are the most common feline intestinal neoplasms. Clinicopathological, survey radiographic, and ultrasonographic findings of five cats with intestinal adenocarcinoma are reported. An abdominal mass was palpable in all five cats, but the mass could be localized to bowel in only two cats. Radiographically an abdominal mass was detected in only one cat. Ultrasonographically there was a segmental intestinal mural mass in all five cats. The mass was characterized by circumferential bowel wall thickening with transmural loss of normal sonographic wall layers. In one cat, the circumferential symmetric hypoechoic bowel wall thickening was similar to that reported for segmental lymphoma. In the other four cats, the sonographic features of the thickened bowel wall were varied, being mixed echogenicity and asymmetric in 3 cats and mixed echogenicity and symmetric in one. The results of the present report suggest that sonographic observation of mixed echogenicity segmental intestinal wall thickening in the cat represents adenocarcinoma rather than lymphosarcoma, although other infiltrative diseases should be considered.

Original languageEnglish (US)
Pages (from-to)300-306
Number of pages7
JournalVeterinary Radiology and Ultrasound
Issue number4
StatePublished - Jan 1 1997


  • Adenocarcinoma
  • Feline
  • Intestine
  • Ultrasonography


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