Abstract
Routine histopathology of tonsillectomy specimens is not standard practice due to cost and resource constraints. This study aimed to evaluate the prevalence of abnormal histopathologies in tonsillectomy specimens to determine the necessity of routine histopathology. A prospective observational study was conducted from January 2014 to August 2016 at a general tertiary care center after approval of Institutional Ethics Committee (IEC). Patients scheduled for tonsillectomy surgery as per the AAOHNS 2011 criteria were included in the study. All tonsillectomy specimens were sent for histopathology, and abnormal findings were documented. Statistical analysis was performed. A total of 111 patients were enrolled in this study, and 222 tonsillectomy specimens were analyzed. The most common finding was chronic tonsillitis, which justified the selection criteria in 91.89% of patients. Two patients with chronic tonsillitis were also found to have actinomycosis present on the surface without parenchymal tissue reaction. Abnormal histopathological findings were observed in 9 (8.10%) of patients, leading to further investigations or treatment in 8 cases. These abnormalities included chronic granuloma, non-Hodgkin's lymphoma, early squamous cell carcinoma, and one choristoma. Tonsillar asymmetry, recent onset of symptoms and older age were found to be significantly correlated with abnormal histopathology and malignancy. Routine histopathology in tonsillectomy specimens helps to identify important findings that may require additional treatment. Based on the study we strongly recommend routine histopathology of tonsillectomy specimen. When significant cost constraints exist, risk-based approach can be adopted. Factors such as older age, asymmetry of tonsils, referred otalgia, duration of symptoms (recent onset) and a history of addiction should be considered for proceeding with histopathology.
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