Question of the Day

A six-year-old female spayed cocker spaniel is presented with a two-day history of lethargy. 

Exam reveals petechiae and ecchymoses on the buccal mucosa, ventral abdomen, and inner pinnae. There is hyphema OD.

Click the labwork icon to review hematology, blood chemistry, and urinalysis test results. Prothrombin time (PT) and activated partial thromboplastin time (aPTT) are normal. 

What is the most likely diagnosis?