Table 1:

Summary of patient demographics, reasons for initial ENT visit, and relevant medical history relating to temporal bone

Patient information
Demographics
 No. of patients95
 Age at MR imaging (average) (range) (yr)58 (18−84)
 Sex (No.)
  Female53
  Male42
Reason for ENT visit
 Hearing loss51
 Tinnitus11
 Vertigo/dizziness/ataxia13
 Schwannoma/cholesteatoma/other tumor13
 Headache2
 Other5
No. of patients with a mastoid effusiona24
No. of patients with prior surgery on temporal bone8
 Tympanomastoidectomy6
 Tympanotomy1
 Myringotomy1
  • a No. of patients with clinical charts indicating the presence of granulation tissue in RW.