title: Bilateral spontaneous hemotympanum secondary to chemotherapy-induced thrombocytopenia.
abstract: OBJECTIVE
  To present a case of spontaneous, bilateral hemotympanum secondary to chemotherapy-induced thrombocytopenia.
  
  
  METHODS
  Case report and review of the literature.
  
  
  RESULTS
  Bilateral spontaneous hemotympanum is an exceedingly rare event. We present the first case of nontraumatic bilateral hemotympanum secondary to chemotherapy-induced thrombocytopenia in a patient with acute myelogenous leukemia. The patient presented with a 7-day history of progressive bilateral hearing loss and a platelet count of 10 × 10(9)/L after receiving his first dose of induction chemotherapy. A small, left-sided subdural hematoma was present in this patient though no extra-aural sources of bleeding to explain the bilateral hemotympanum were identified.
  
  
  CONCLUSIONS
  Full resolution of symptoms was achieved with conservative management.
authors.affiliation: Division of Otolaryngology-Head and Neck Surgery, University of Alberta, Edmonton, Canada.
authors.forename: Peter
authors.initials: P
authors.lastname: Wong
authors.forename: Caroline
authors.initials: C
authors.lastname: Xu
authors.forename: Nahla
authors.initials: N
authors.lastname: Gomaa
authors.forename: Allan
authors.initials: A
authors.lastname: Ho
keywords: acute myelogenous leukemia; bilateral spontaneous hemotympanum; chemotherapy-induced thrombocytopenia