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Vetdle Archive

Archive Case #81: Feline Panleukopenia

Cat veterinary case - Medium - May 23, 2026

Clinical Clues

  1. An unvaccinated kitten is presented for sudden lethargy, vomiting, and severe diarrhoea.
  2. The owner says the kitten stopped eating and became profoundly weak within a day.
  3. Examination reveals dehydration, abdominal discomfort, and depression.
  4. Haematology shows marked leukopenia.
  5. The kitten comes from an environment with other susceptible young cats.
  6. A highly contagious viral disease of cats commonly causes gastrointestinal signs together with profound leukopenia.

Diagnosis

Feline Panleukopenia

This case is most consistent with Feline Panleukopenia because the unvaccinated kitten has acute gastrointestinal disease with severe leukopenia. The most important clues are the age, vaccination status, and white cell depletion, which make simple dietary diarrhoea much less likely.

Learning review

Review the case evidence

Use the paired clues to explain how the evidence in this cat case supports the provided diagnosis, Feline Panleukopenia, then compare your reasoning with the case explanation.

Evidence checkpoints

Clues 1-2

  1. Clue 1: An unvaccinated kitten is presented for sudden lethargy, vomiting, and severe diarrhoea.
  2. Clue 2: The owner says the kitten stopped eating and became profoundly weak within a day.

Clues 3-4

  1. Clue 3: Examination reveals dehydration, abdominal discomfort, and depression.
  2. Clue 4: Haematology shows marked leukopenia.

Clues 5-6

  1. Clue 5: The kitten comes from an environment with other susceptible young cats.
  2. Clue 6: A highly contagious viral disease of cats commonly causes gastrointestinal signs together with profound leukopenia.

Self-review prompts

  1. After clues 1-2, what evidence from this cat case shaped your initial interpretation?
  2. When you compare clues 3-4 with clues 1-2, what changed in your reasoning about Feline Panleukopenia?
  3. How do clues 5-6 align with the case explanation for Feline Panleukopenia?

Educational Use

Vetdle archive cases are educational veterinary games for diagnostic reasoning practice. They do not provide veterinary advice, diagnosis, treatment, or professional medical guidance.