Nodular fat necrosis in the feline and canine abdomen

Tobias Schwarz, Federica Morandi, Giacomo Gnudi, Erik R Wisner, Calum Paterson, Martin Sullivan, Pamela Johnston

Research output: Contribution to journalArticlepeer-review

20 Scopus citations


The radiographic appearance of nodular fat necrosis is described in ten cats and one dog. The most common radiographic sign was the presence of a focal mineralized circular to oval soft tissue mass in the abdominal fat as present in 9 cats. These masses had a distinct eggshell-like rim encapsulating the lesion. In one cat and one dog multiple masses were present, without radiographic signs of mineralization. Abdominal ultrasound was performed in three cats and one dog, findings included the presence of hyperechoic masses with associated acoustic shadowing, some with a hypoechoic centre. Almost all animals were old and obese. In three cats and one dog, changes were confirmed with biopsy or post mortem examination. Lesions having the appearance of those in this paper are most likely incidental findings and should not be confused with abdominal masses of neoplastic origin. Ultrasound can be helpful in identifying such lesions.

Original languageEnglish (US)
Pages (from-to)335-339
Number of pages5
JournalVeterinary Radiology and Ultrasound
Issue number4
StatePublished - Jul 2000
Externally publishedYes


  • Canine
  • Feline
  • Lipomatosis
  • Mesenteric cyst
  • Nodular fat necrosis
  • Omental cyst
  • Pancreatitis
  • Radiography
  • Steatitis
  • Ultrasound

ASJC Scopus subject areas

  • veterinary(all)


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