2021 Case #5

Aspirate from a mandibular mass in a cat

Case Information

A mature male domestic shorthair cat was presented to Cornell University Hospital for Animals with an ulcerated, non-healing cutaneous and subcutaneous mass over the left mandible close the chin. The left submandibular lymph node was also noted to be moderately enlarged on physical examination. A fine needle aspirate was performed on the mandibular mass and representative figures of a direct smear are shown below. After viewing the images, answer the questions below.

  1. What differential diagnoses should be considered for the left mandibular swelling in this cat?
  2. What is your interpretation based on the cytologic findings?

Figure 1: Mandibular mass aspirate in a cat (20x objective, Wright’s stain)

Figure 2: Mandibular mass aspirate in a cat (50x objective, Wright’s stain)

 

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