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Eur Arch Otorhinolaryngol. 2015 Nov;272(11):3241-6. doi: 10.1007/s00405-014-3402-y. Epub 2014 Nov 21.

The utility of minimally invasive transcanal endoscopic approach for removal of residual/recurrent cholesteatoma: preliminary results.

Author information

1
Department of Otolaryngology Head and Neck Surgery, Sheba Medical Center, Affiliated to the Sackler School of Medicine, Tel Aviv University, Tel Hashomer, 5262l, Tel Aviv, Israel. migirovl@gmail.com.
2
Department of Otolaryngology Head and Neck Surgery, Sheba Medical Center, Affiliated to the Sackler School of Medicine, Tel Aviv University, Tel Hashomer, 5262l, Tel Aviv, Israel.

Abstract

To investigate the feasibility of applying the transcanal endoscopic approach (TEA) for surgical treatment of residual/recurrent cholesteatoma and present the preliminary results of 17 revision procedures that were carried out with this minimally invasive approach. The records of 17 patients (aged 5-76 years) who underwent transcanal revision procedure using rigid 3-mm diameter, 0°, 30° and 45° endoscopes between 2009 and 2012 were retrospectively reviewed. A wide posterior tympanomeatal flap was elevated via the external auditory canal and then transposed inferiorly in cases of cholesteatoma situated in the middle ear under a tympanic membrane. In certain cases, cholesteatoma was assessed and removed using the endoscopes directly from the radical cavity or from the mastoid cavity remaining after a canal-wall-down procedure. Six patients had originally undergone the canal-wall-up mastoidectomy, 6 patients had a canal-wall-down mastoidectomy and 5 patients had radical mastoid cavities. The interval between the previous and the index surgery ranged between 1 and 6 years. The attic was the most common site involved with cholesteatoma, followed by the tympanic portion of the facial nerve, sinus tympani, mastoid, supratubal recess, promontory, round and oval windows. The size of residual/recurrent lesion varied between 3 and 15 mm. The patients were followed up 26-67 months (mean 52.1 months). The single recurrence (a 4-mm pearl over the tympanic portion of the facial nerve) was eradicated by a transcanal re-revision 1 year following the index surgery. Minimally invasive TEA can be successfully applied in carefully selected patients with endoscopically accessible cholesteatoma subsequent to various types of mastoidectomy.

KEYWORDS:

Approach; Cholesteatoma; Endoscopic surgery; Minimally invasive surgery; Outcome; Recurrent; Residual

PMID:
25413019
DOI:
10.1007/s00405-014-3402-y
[Indexed for MEDLINE]

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