Diagnostic dilemma quiz: Can you guess the diagnosis in these strange medical cases?

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Based on our "Diagnostic Dilemma" series, this quiz tests your medical know-how.

Three surgeons in surgical scrubs push a patient on a trolley down a hospital corridor.
Have you been keeping up with our weekly "Diagnostic Dilemma" series? (Image credit: Janie Airey/Getty Images)

Each week, Live Science highlights an interesting medical case report in its Diagnostic Dilemma series. We describe the patient and their symptoms, the testing and history-taking that revealed their diagnosis, their course of treatment and their ultimate health outcomes. We also highlight what makes the case unique, whether it's the rarity of the diagnosis, the unusual constellation of symptoms, or a novel therapeutic approach.

How many Diagnostic Dilemmas have you read — and can you guess the diagnosis? Take our quiz that draws from the cases we highlighted in 2025 and see if you can figure out each patient’s ailment. Tell us how you got on in the comments below.

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Nicoletta Lanese
Nicoletta Lanese
Channel Editor, Health

Nicoletta Lanese is the health channel editor at Live Science and was previously a news editor and staff writer at the site. She holds a graduate certificate in science communication from UC Santa Cruz and degrees in neuroscience and dance from the University of Florida. Her work has appeared in The Scientist, Science News, the Mercury News, Mongabay and Stanford Medicine Magazine, among other outlets. Based in NYC, she also remains heavily involved in dance and performs in local choreographers' work.

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