Iran J Otorhinolaryngol
March 2022
Introduction: This study aimed to investigate the serum level of vitamin D in patients with ear cholesteatoma.
Materials And Methods: This cross-sectional study was performed on 62 patients with middle ear cholesteatoma (case group) and 62 patients with simple chronic otitis media (control group). Both groups had the same age (32±1 in the case group and 34±1 in the control group; P=0.