Mast Cell Disease

Sneaky mast cell disease in cats. Looks like lymphoma, acts like lymphoma but you don’t need a lot of MCT for significant clinical signs owing to degranulation especially in cats. Look at rock star veterinary sonographer Andi Parkinson, RDMS of Intrapet Imaging, Baltimore, MD, USA guide her client in an US-guided FNA into this feline intestinal mass avoiding the lumen and nailing the Dx. Just push the mass to the skin, minimizing the real estate, and stick… its like placing the cue-ball close to the 8-ball when playing billiards. šŸ™‚  See our video on how to perform an FNA here.

 

History

The patient was presented for weight loss, occasional vomiting, not herself, lethargic. CBC revealed mild anemia and elevated thyroid values. Clinical exam revealed a palpable intestinal mass and poor body condition.

The patient was presented for weight loss, occasional vomiting, not herself, lethargic. CBC revealed mild anemia and elevated thyroid values. Clinical exam revealed a palpable intestinal mass and poor body condition.

Clinical Differential Diagnosis

Neoplasia, abscess, foreign body, FIP.

DX

Intestinal mast cell neoplasia.

Sampling

US-guided FNA: Mast cell neoplasia.

Sonographic Differential Diagnosis

Intestinal mass: Lymphoma, MCT, leiomyosarcoma, complicated inflammatory disease, FIP.

Image Interpretation

A focal intestinal mass is seen and progressive infiltrative pattern with loss of mural detail. Partial obstructive pattern is noted with trapped echogenic luminal ingesta prior to the mass.

Outcome

The patient was referred to an oncologist for evaluation. No further medical intervention was sought and at the time of the publication of this case the patient was still stable.

Video

Patient Information

Patient Name : http://sonopath.com/members/case-studies/cases/focal-intestinal-mass-and-mast-cell-neoplasia-14-year-old-dsh-fs-cat-diag
Age : 14 Years
Gender : Female, Spayed
Species : Feline
Status : Complete

Blood Chemistry

  • Hyperthyroidism
  • Total Protein, High

CBC

  • Hematocrit, Low

Clinical Signs

  • Anemia

History

  • Lethargy
  • Vomiting
  • Weight Loss

Exam Finding

  • Palpable mass
  • Weakness

Images

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