Endoscopic transcanal coblation excision of glomus tympanicum: a novel technique

Objective To evaluate the feasibility of coblation in excision of glomus tympanicum tumors. Patients and methods A retrospective study carried out over 28 patients with types I and II glomus tympanicum tumors according to GLASSCOCK-JACKSON classification. Preoperative radiological and endocrinal eva...

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Published in:European archives of oto-rhino-laryngology 2024-09, Vol.281 (9), p.4657-4664
Main Authors: Salem, Mohammed Abdelbadie, Ghoneim, Mahitab, Ahmed, Sally Sameh, Elsobki, Ahmed, Elzhzahy, Ahmed Abdoo, Hemdan, Ahmed
Format: Article
Language:English
Subjects:
Adult
Aged
Ear Neoplasms - diagnostic imaging
Ear Neoplasms - surgery
Endoscopy - methods
Feasibility Studies
Female
Glomus Tympanicum Tumor - diagnostic imaging
Glomus Tympanicum Tumor - surgery
Head and Neck Surgery
Humans
Male
Medicine
Medicine & Public Health
Middle Aged
Neurosurgery
Otology
Otorhinolaryngology
Retrospective Studies
Treatment Outcome
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Summary:Objective To evaluate the feasibility of coblation in excision of glomus tympanicum tumors. Patients and methods A retrospective study carried out over 28 patients with types I and II glomus tympanicum tumors according to GLASSCOCK-JACKSON classification. Preoperative radiological and endocrinal evaluation were performed. All patients underwent endoscopic transcanal excision of their glomus tympanicum tumors using coblation. Results None of the patients developed recurrence during the 1-year follow up period proved radiologically. None of the patients developed facial palsy postoperatively. Differences between preoperative and postoperative dizziness and taste disturbance were statistically non-significant. Tinnitus disappeared completely in 22 patients postoperatively. A statistically significant reduction in Tinnitus Handicap Inventory (THI) after surgery was found. Statistically significant reductions in postoperative air conduction (AC) threshold and air bone gap (ABG) were recorded while bone conduction (BC) threshold showed statistically non-significant change. Conclusion Coblation is an effective and safe tool in excision of glomus tympanicum tumors. Further studies comparing coblation with laser and piezosurgery are strongly recommended.
ISSN:0937-4477
1434-4726
1434-4726
DOI:10.1007/s00405-024-08660-7