April 28, 2015 | Ozlem Celebi Erdivanli, MD; Arif Sanli, MD
We conducted a prospective, controlled study of patients with chronic otitis media and cholesteatoma (1) to examine the expression of myeloperoxidase (MPO) using immunohistochemical staining techniques and (2) to investigate the relationship between MPO activity and the degree...
February 2, 2015 | Francesco Fiorino, MD; Francesca B. Pizzini, MD, PhD; Barbara Mattellini, MD; Franco Barbieri, MD
A 40-year-old man presented with conductive hearing loss and pressure- and sound-related vestibular symptoms. Computed tomography and diffusion-weighted magnetic resonance imaging revealed the presence of a cholesteatoma involving the vestibular labyrinth. The patient underwent...
February 12, 2014 | Christopher Vanison, MD; Eric M. Jaryszak, MD, PhD; Amanda L. Yaun, MD; and Diego A. Preciado, MD, PhD
Acquired cholesteatomas typically arise in the middle ear and mastoid cavities; they rarely present elsewhere. We describe a case of acquired cholesteatoma that presented as a large mass of the pars squamosa of the temporal bone in a 16-year-old girl. The mass was surgically...
July 5, 2012 | Joseph A. Ursick, MD; Derald E. Brackmann, MD
External auditory canal cholesteatomas, which result from the deposition of squamous epithelium deep to the skin of the external canal, can be caused by postsurgical implantation, radiation, or trauma.
September 21, 2011 | Borlingegowda Viswanatha, MS, DLO
A 10-year-old boy presented with a complaint of a left-sided nasal obstruction with an associated foul-smelling discharge. Physical examination and anterior rhinoscopy revealed that a whitish, friable mass had completely filled the left nasal cavity. On computed tomography, a...