A Prospective Study on Evaluation of Salivary Gland Tumors: An Approach to Clinical Radiology and Pathology

Due to their overlapping appearances, salivary gland cancers are difficult to identify based purely on clinical presentation or cytological results. Inadequate cytology samples can make preoperative diagnosis difficult. The gold standard for diagnosing these malignancies is histopathology. The goal of this study was to determine the clinical, radiological, and cytological features of these tumours and compare them to histopathological diagnosis accuracy. Between 2007 and 2009, 52 patients with salivary gland swellings were enrolled in a prospective study. The study did not include those with inflammatory edoema. Data on demographics, clinical history, ultrasonography, cytology, and histopathology were gathered and analysed prior to surgery. The parotid gland was involved in the majority of cases (65.38 percent). The most frequent benign tumour was pleomorphic adenoma, which accounted for 80.76 percent of all benign tumours. Malignant tumours made up 19.23% of the total. Malignant tumours such as mucoepidermoid carcinoma and adenoid cystic carcinoma were frequent. The most common clinical manifestation was local edoema, with no facial nerve involvement described. The hard palate was the most commonly afflicted minor salivary gland by benign tumours. Fine-needle aspiration cytology had the highest diagnosis accuracy of 96.15 percent, followed by clinical and other tests. 92.31 percent and 86.54 percent radiological diagnosis accuracy, respectively. A significant agreement was found between clinical and histological diagnosis (p=0.1336) and FNAC and histological diagnosis (p=0.4975) using McNemar’s test. Fine needle aspiration cytology is a highly precise, sensitive, and specific screening method. Although minimally invasive, it is safe and reliable. Ultrasonography-guided cytology, in combination with clinical and radiographic data, could improve the accuracy of pre-operative diagnosis of salivary gland cancers.

Author (S) Details

Dr. Namita Mishra
Department of ENT, Jawaharlal Nehru Hospital and Research Center, Bhilai, Chhattisgarh, India.

Dr. Neeta Sharma
Department of ENT, Jawaharlal Nehru Hospital and Research Center, Bhilai, Chhattisgarh, India.

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