Objectives: The prevalence of synchronous bilateral tonsil cancer remains unexplored. To date, only 38 cases have been described in the literature. With an aim to substantiate the Danish recommendation of performing bilateral tonsillectomy in patients with suspected or proven tonsil cancer and in patients with cervical carcinoma metastasis from an unknown primary tumour, this study was undertaken to determine the prevalence of synchronous bilateral tonsil cancer.
Design: A retrospective review of all patients diagnosed with tonsil cancer in the period 2000-2015, Aarhus University Hospital, Denmark, was performed.
Results: Seven of 211 (3.3%) consecutive patients with tonsil cancer, who had undergone bilateral tonsillectomy (n = 180) or unilateral tonsillectomy (clinically normal side) combined with contralateral tonsil biopsy (side with suspected cancer) (n = 31), had synchronous bilateral tonsil cancer. Furthermore, dysplasia was found in the contralateral tonsil in two patients with unilateral tonsil cancer. Four of 171 (2.3%) patients with suspected unilateral tonsillar cancer had additional contralateral tonsil cancer. Three of 34 (8.8%) patients without clinical signs of tonsillar malignancy on any side (32 patients with carcinoma of unknown primary) had synchronous bilateral tonsil cancer. In none of the patients were bilateral tonsil cancer suspected. Patients with unilateral vs synchronous bilateral tonsil cancer had similar clinical and tumour characteristics.
Conclusion: Knowledge on additional contralateral synchronous tonsil cancer is crucial for avoidance of early recurrence of oropharyngeal cancer in patients with tonsil cancer. Based on our findings, we recommend bilateral tonsillectomy in all patients with suspected or proven tonsil cancer and carcinoma of unknown primary.
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http://dx.doi.org/10.1111/coa.12981 | DOI Listing |
EMBO Mol Med
January 2025
Medical Clinic III for Oncology, Hematology, Immuno-Oncology and Rheumatology, University Hospital Bonn, University of Bonn, Venusberg-Campus 1, 53127, Bonn, Germany.
Studying the human immune system in vivo is challenging and often not possible. Therefore, most human immunology studies have been predominantly confined to peripheral blood analyses, which by themselves have inherent limitations, as many immune reactions take place within tissues. For example, potent antibody responses that contribute to fighting infections and provide protection following vaccination require cellular interactions between B cells and T cells in specialized micro-anatomical structures called germinal centers, which are found in secondary lymphoid organs such as spleen, lymph nodes, and tonsils.
View Article and Find Full Text PDFBiol Methods Protoc
December 2024
Medical BioSciences, Radboudumc, Nijmegen 6562 GA, The Netherlands.
Tissue specimens taken from primary tumors or metastases contain important information for diagnosis and treatment of cancer patients. Multiplex imaging allows visualization of heterogeneous cell populations, such as immune cells, in tissue samples. Most image processing pipelines first segment cell boundaries and then measure marker expression to assign cell phenotypes.
View Article and Find Full Text PDFBMC Rheumatol
January 2025
Department of Rheumatology, Overton Brooks VA Medical Center, Shreveport, LA, USA.
Background: Dermatomyositis is a chronic inflammatory condition affecting muscles and skin, often associated with an increased risk of cancer. Specific autoantibodies, including anti-TIF1 (Transcription Intermediary Factor 1), have been linked to this risk. We present a case of dermatomyositis in a male patient positive for anti-TIF1 antibodies, subsequently diagnosed with squamous cell carcinoma of the tonsil, a novel association not previously documented.
View Article and Find Full Text PDFThe 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%.
View Article and Find Full Text PDFClin Exp Otorhinolaryngol
January 2025
Department of Otorhinolaryngology - Head and Neck Surgery, Konkuk University College of Medicine, Seoul, South Korea.
Objectives: We aimed to calculate the age-adjusted incidence rate of head and neck cancer (HNC) in South Korea from 1999 to 2020 and investigate the incidence trend of HNC excluding the effect of population aging.
Methods: Data were obtained from the Cancer Registration Statistics Program. All 12 types of HNCs were analyzed.
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