Abstract
A study was conducted on the value of Ultrasound (US) in the detection of cervical lymph node metastases in cases of Head and Neck malignancy; and its usefulness in planning surgical management. The clinical, ullrasonographic and histopathological examination (HPE) findings were compared in 20 patients as a preliminary assessment of this ongoing study. Clinically and ultrasonogiaphically, patients were assessed for presence of nodes, their size, shape, mobility and overall positivity for malignancy. All patients then underwent neck dissection, and individual nodes from the specimens were assessed by HPE.
It was found that US, when compared with clinical examination had a sensitivity of 47.62% versus 43.75%, specificity of 77.78% versus 25.0% and an accuracy of 61.54% as opposed to 38.9%. US proved valuable in detecting sub-clinical nodes, central necrosis, extra-capsular spread, pressure on large vessels - all indicators of metastatic spread. Hence, US was found to be efficient and cost-effective pre-operatively, in planning surgical management.
Key Words: Ultrasound, Lymph Node, Histopathology
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