Laser-tonsillotomy for treatment of obstructive tonsillar hyperplasia in early childhood: a retrospective review
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Updated: Aug 15, 2026

CO2-Lasertonsillotomy Under Local Anesthesia in Adults
Published on: November 6, 2019
Claus Unkel1, Goetz Lehnerdt, Klaus Juergen Schmitz
1Department of Otorhinolaryngology, University of Essen, Universitaets HNO Klinik, ENT/HNO, Hufelandstr. 55, 45122 Essen, NRW, Germany. claus.unkel@uni-essen.de
Insights
Carbon-dioxide-laser-tonsillotomy effectively reduces tonsillar hyperplasia in children, alleviating obstructive symptoms with minimal complications. This procedure preserves the tonsils' immunological function, offering a safe alternative to tonsillectomy.
Area of Science:
- Otolaryngology
- Pediatric Surgery
- Laser Medicine
Background:
- Tonsillar hyperplasia causes obstructive symptoms like dyspnea and dysphagia in children.
- Tonsillectomy is often avoided in young children to preserve immune function.
- Laser-tonsillotomy presents a potential alternative for reducing tonsil volume.
Purpose of the Study:
- To evaluate carbon-dioxide-laser-tonsillotomy (CO2LT) as an alternative to tonsillectomy for pediatric tonsillar hyperplasia.
- To assess the efficacy and safety of CO2LT in alleviating obstructive symptoms.
Main Methods:
- Retrospective study of 109 children with tonsillar hyperplasia undergoing CO2LT between 1993 and 2004.
- Procedure involved reducing tonsil volume using a CO2 laser, often combined with adenoidectomy.
- Follow-up included questionnaires, clinical examinations, and histological analysis of tonsil specimens.
Main Results:
- Significant relief from obstructive symptoms was observed in most patients.
- No postoperative hemorrhages or peritonsillar abscesses occurred.
- Histological examination of resected tonsils showed no inflammation or scarring, indicating preserved tissue.
Conclusions:
- CO2-laser-tonsillotomy is a safe and effective treatment for pediatric tonsillar hyperplasia, offering long-term symptom relief.
- The procedure minimizes patient discomfort while preserving the immunological function of tonsillar tissue.
- Further prospective studies are recommended to confirm these findings.
Introduction:
Tonsillar hyperplasia leading to dyspnea, dysphagia and other symptoms of obstruction represents a common problem especially in young children where tonsillectomy should be avoided in order to preserve the immunological function of the tonsils. Aim of the study was to assess carbon-dioxide-laser-tonsillotomy as a considered alternative procedure to reduce the tonsillar volume in these children.
Methods:
Between 1993 and 2004, 109 children with tonsillar hyperplasia without former episodes of tonsillitis received laser-tonsillotomy mostly (n=98) combined with adenoidectomy. The protruding part of the tonsil was reduced by a CO2-laser. Seventy-five children were available for follow-up with a standard questionnaire. Five patients required a subsequent tonsillectomy due to a recurrence of tonsillar hyperplasia. Histological investigations were performed. Twenty-two children were reevaluated by clinical examination.
Results:
Most of the patients were relieved from obstructive symptoms. There was no occurrence of postoperative hemorrhage or peritonsillar abscesses. The histological investigations on the specimens from later performed tonsillectomy (n=5) showed no evidence of inflammation or scar formations, but open and deep crypts. The clinical examination did not reveal any signs of chronic infections.
Conclusion:
In this retrospective study tonsillotomy with CO2-laser in early childhood leads to a long-term elimination of obstructive symptoms due to tonsillar hyperplasia with minimal discomfort for the patient while preserving normally functioning immunocompetent tonsillar tissue. Further prospective studies are planned.
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