The podcast episodes highlighted in the provided documents focus on the topic of medical diagnosis, specifically the challenges and complexities involved in identifying rare or obscure medical conditions.

The episode From the Vault: Hooves, Part 2 from the Stuff To Blow Your Mind podcast discusses the process of diagnostic reasoning, emphasizing the importance of considering common versus rare explanations when investigating medical issues.

The episode Ep. 31 | Jade's Eye from the MrBallen's Medical Mysteries podcast delves into the difficulties faced by doctors in diagnosing a rare condition affecting a young girl's vision, and the critical role of seeking specialized expertise in such cases.