To Know the Diagnostic Accuracy of Ultrasonography for Major Salivary Gland Masses and Its Correlation with Histopathological Examination
Journal Title: INTERNATIONAL JOURNAL OF SCIENTIFIC STUDY - Year 2018, Vol 5, Issue 11
Abstract
Introduction: Major salivary gland pathologies are a significant source of morbidity in general population. The role of ultrasonography (USG) in the evaluation of salivary gland masses is become increasingly important due to the availability of high-frequency probe which permit visualization of more subtle anatomical and pathological details. Aims and Objectives: The aim of this study is to know the reliability of USG as a diagnostic tool for the assessment of masses of major salivary gland. Materials and Methods: The study was conducted in the Department of Radiodiagnosis, Gajra Raja Medical College and J.A. Group of Hospitals, Gwalior (Madhya Pradesh), in USG Machine SSD4000SV (Aloka Trivitron) from August 2011 to October 2012. A total 124 patients was enrolled in study after taking detailed history and relevant clinical examination. Subsequently, the patient was subjected to high-resolution USG followed by histopathological examination (HPE). Results: According to the study, non-neoplastic pathologies 78 (62.9%) were more common than neoplastic salivary gland pathologies 46 (37.1%). Of 46 neoplastic pathologies, benign tumors 32 (69.57%) were more common than malignant 14 (30.43%). The age distribution of the patients with salivary gland neoplasm ranged from 1-80 years and Majority of belongs to the 30-70 years age group. Benign tumors were more common in 30–40 years age group. Malignant tumors were more common after 50 years of age. Male:female ratio for malignant tumors is 6:1 and equal in benign tumors. Parotid gland was the most common site accounting for 91.30% followed by submandibular gland (8.7%) of all salivary gland tumors. On USG examination, all tumors were hypoechogenic. Most benign tumors (87.5%) had well-defined borders, but 12.5% of malignant tumors also had well-defined (sharp) borders. The internal structure of tumor was not a relevant indicator of malignancy. According to the study, the most common tumors were pleomorphic adenoma which accounted for 60.87% of all cases followed by mucoepidermoid carcinoma (17.4%) of all cases confirmed by HPE. Conclusion: In our study, an excellent correlation was seen in the diagnosis of salivary gland masses between sonography (grayscale and color Doppler sonography [CDS]) and histopathology. Sonography (grayscale and color Doppler together) was found to be highly sensitive and specific in the diagnosis of salivary gland masses; however, it is more sensitive for detecting benign tumors and more specific for malignant tumors.
Authors and Affiliations
Shiping Jain, Sandeep Kumar Jain
Keywords
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