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Experiments in Rhinology & Otolaryngology

SOM CLEFT Scoring/Staging System for Tympanomastoid Cholesteatoma

  • Open or Close Ramadan H Sayed1, Mahmood A Hamed1* and Seiichi Nakata2

    1Department of Otorhinolaryngology, Sohag University, Egypt

    2Department of Otorhinolaryngology, Fujita Health University School of Medicine, Japan

    *Corresponding author: Mahmood A Hamed, Department of Otorhinolaryngology, Sohag Faculty of Medicine, East District, 82524, Sohag, Egypt

Submission: April 16, 2018;Published: May 01, 2018

DOI: 10.31031/ERO.2018.01.000516

ISSN: 2637-7780
Volume1 Issue4


Cholesteatoma has the capacity for invasion, migration, change in differentiation, proliferation and recurrence which is quite similar to neo plasms; however, with no DNA affections, that rules out the hypothesis of being a neo plastic lesion [1,2]. Bone erosion is a fundamental biologic behavior of cholesteatoma that can cause serious complications. It is stimulated by a variety of factors that are still debated [3,4]. In the early 1962, the American Joint Committee [5] for Cancer Staging reported a standardized and widely accepted staging system for head and neck cancer. This allowed precise definition of the disease stage, planning treatment protocol and comparing outcome between different modalities and surgeons.

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