Transcanal Endoscopic Retrograde Mastoidectomy for Cholesteatoma: A Prospective Study.

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To evaluate the feasibility, morphological, and functional outcomes of endoscopic retrograde transcanal mastoidectomy.Prospective study.Tertiary Referral Hospital.We analyzed 31 patients with a diagnosis of chronic otitis media with cholesteatoma that extended to the mastoid cavity who underwent endoscopic transcanal retrograde canal wall down mastoidectomy under general anesthesia. The tympanic membrane and posterior canal wall reconstruction were done using the tragal cartilage palisade technique reinforced with perichondrium. Morphological and functional results were reported in the follow-up of a minimum of 1 year. The graft uptake was also compared with the presence of granulations and discharge status.Graft uptake and disease-free conditions were achieved in 21 of 24 patients, that is, 87.5%, and 3 patients required revision surgery. The graft uptake rate was not affected by the presence of granulation tissues and discharge. The hearing was improved after the surgery, which was statistically significant.Endoscopic retrograde mastoidectomy is a new technique to deal with cholesteatoma with excellent results. It is more functional, ideal for sclerotic mastoid, allows faster wound healing, has excellent outcomes, and is a minimally invasive procedure that avoids postauricular incision and tissue dissection. Because the set up for the surgery costs less, it holds a promising future for the developing countries.

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Authors: Dipesh Shakya, Ajit Nepal