Prevalence of synchronous bilateral/contralateral tonsil carcinoma: A systematic review and meta-analysis

IF 4 2区医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Oral oncology Pub Date : 2025-01-23 DOI:10.1016/j.oraloncology.2025.107180

Alex Charlton , Zahir Mughal , Florida Sharin , Raguwinder Bindy Sahota , Mohammed Shaji Mansuri , Manish Mair

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Abstract

The purpose of this systematic review and meta-analysis was to identify the prevalence of synchronous contralateral tonsil carcinoma (SCTC) amongst patients with tonsil carcinoma or head and neck squamous cell carcinoma of unknown primary (HNSCCUP). Thirteen retrospective studies, comprising 2623 patients, were analysed, revealing an overall pooled SCTC prevalence of 4%, rising to 10% in HNSCCUP cases. HPV/p16 positivity was associated with SCTC prevalence of 3%, while HPV/p16 negativity was greater at 8%. Clinical or imaging evaluations often missed SCTC preoperatively, emphasising the importance of contralateral tonsillectomy. Morbidity varied among patients undergoing contralateral tonsillectomy.

The prevalence of SCTC is significant in cases of HNSCCUP and tonsil malignancy, emphasising the importance of informed discussions regarding contralateral tonsillectomy. Tailored approaches considering individual patient and tumour characteristics are crucial, with contralateral tonsillectomy generally warranted in HNSCCUP. Further research, including prospective studies with standardised protocols, is needed to improve the understanding and management of SCTC, specifically the clinical significance of occult SCTC.

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来源期刊

Oral oncology 医学-牙科与口腔外科

CiteScore

8.70

自引率

10.40%

发文量

505

审稿时长

20 days

期刊介绍： Oral Oncology is an international interdisciplinary journal which publishes high quality original research, clinical trials and review articles, editorials, and commentaries relating to the etiopathogenesis, epidemiology, prevention, clinical features, diagnosis, treatment and management of patients with neoplasms in the head and neck. Oral Oncology is of interest to head and neck surgeons, radiation and medical oncologists, maxillo-facial surgeons, oto-rhino-laryngologists, plastic surgeons, pathologists, scientists, oral medical specialists, special care dentists, dental care professionals, general dental practitioners, public health physicians, palliative care physicians, nurses, radiologists, radiographers, dieticians, occupational therapists, speech and language therapists, nutritionists, clinical and health psychologists and counselors, professionals in end of life care, as well as others interested in these fields.