A purely extradural lumbar nerve root cavernoma mimicking acute myeloid leukemia recurrence: Case report and literature review.

Background: Myeloid sarcoma (MS) is a malignant tumor that usually occurs concomitantly with or following acute myeloid leukemia (AML). Cavernomas are benign congenital malformations that are unusual in the spine and exceedingly rare in pure extradural locations.

Case Description: We report a 73-year-old female with a previous medical history of AML in remission for 3 years who presented with symptoms of low back pain and right lower extremity radiculopathy.

Fever-triggered Brugada syndrome in an adult patient presenting with hemophagocytic syndrome induced by Chlamydophila pneumoniae.

A previously healthy 29-year-old man was admitted to our hospital, with a 4-day history of fever (>39°C), rigours, diaphoresis, fatigue and retro-orbital headache. On examination, he was febrile (37.8°C) and tachycardic (110 bpm).