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Petrous bone cholesteatoma (PBC): report of 94 cases of PBC with focus on intraoperative endoscopic assistance, and systematic review of the literature.
Eur Arch Otorhinolaryngol
December 2024
Department of Otolaryngology-Head and Neck Surgery, Hospital General Universitario Gregorio Marañón, C/Doctor Esquerdo, 46. 3rd Floor, 28007, Madrid, CP, Spain.
Purpose: The aim of this study is to assess the clinical characteristics, classification, surgical approaches, interventional strategies, and treatment outcomes of patients with petrous bone cholesteatoma (PBC).
Methods: Observational retrospective study of patients with PBC managed by the senior author of this paper between 1995 and 2024 in a tertiary referral center. A literature review was made, identifying 16 articles.
Cranial nerves bridging the middle ear and cerebellum causing cerebellar peduncle abscess: A case report.
Acta Radiol Open
October 2024
Department of Neurosurgery, University of Iowa Hospitals and Clinics, Iowa City, IA, USA.
Cerebellar abscess is a reported complication of chronic suppurative otitis media (CSOM) and is life threatening at times. It usually develops by direct spread of CSOM through the bony erosion in the petrous bone or by thrombophlebitis of the sigmoid sinus. However, an alternative pathway of infection transmission from the petrous bone to the cerebellum through the anatomical bridge of the cranial nerves has possibly not been described before.
View Article and Find Full Text PDFLong-term facial nerve outcome in surgically treated petrous bone cholesteatoma patients.
Eur Arch Otorhinolaryngol
October 2024
Gruppo Otologico, Piacenza, Italy.
Introduction: The term petrous bone cholesteatoma (PBC) represents a slow-growing epidermal lesion arising from the petrous part of the temporal bone. It is a rare incidence accounting for only 4-9% of all petrous bone lesions. PBC represents a real surgical challenge due to its complex relationship with critical neurovascular structures.
View Article and Find Full Text PDFTechniques in Management of Cholesteatoma: Subtotal Petrosectomy; Blind Sac Closure.
Otolaryngol Clin North Am
February 2025
Department of Otorhinolaryngology, Perelman School of Medicine at the University of Pennsylvania, 3400 Spruce Street, 5 Ravdin, Philadelphia, PA 19104, USA; Corporal Michael J. Crescenz VA Medical Center, Philadelphia, PA, USA.
Article Synopsis
- Subtotal petrosectomy is an important surgical procedure for treating advanced cases of cholesteatoma, especially when previous treatments have failed or serious infections are present.
- The procedure involves removing all infected areas of the temporal bone and sealing the ear canal to enhance recovery.
- By doing so, subtotal petrosectomy significantly increases the likelihood of fully eliminating cholesteatoma and reducing the chances of it returning.
Management of Cholesteatoma: Extension Beyond Middle Ear/Mastoid.
Otolaryngol Clin North Am
February 2025
Department of Otolaryngology-Head and Neck Surgery, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, USA.
Petrous bone cholesteatoma, or cholesteatoma that extends beyond the middle ear and mastoid, represents a rare but destructive pathology. Diagnosis can be difficult before substantial morbidity is incurred, and patients can present with life-threatening complications. Determination of disease extent and the functional status of the facial nerve and cochleovestibular system are critical in surgical planning.
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