University of Khartoum

Cervical Lymph Nodes Assessment of Oral and Maxillofacial Cancer Patients Using the Helical CT scan

Cervical Lymph Nodes Assessment of Oral and Maxillofacial Cancer Patients Using the Helical CT scan

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Title: Cervical Lymph Nodes Assessment of Oral and Maxillofacial Cancer Patients Using the Helical CT scan
Author: Al Kuliabi,Mohammed M.
Abstract: Objective: To assess the cervical lymph nodes status in oral cancer patients using helical CT scan. Material and Methods: Twenty-five oral and maxillofacial cancer patients underwent preoperative Helical CT imaging. The cervical lymph node features on CT scan namely the size, the necrosis, the shape and the number were studied, each parameter was given a score, the total scores in each case was calculated and referred to as the metastatic score (MS). Then the patients underwent neck dissection and all dissected lymph nodes were sent for histopathology Results: Data Analysis showed that, all cases with Metastatic Scores (MS) >= 6 were histopathologicaly positive and all cases with Metastatic Scores (MS) <= 3 were histopathologicaly negative. All cases of nodal sizes >3cm were histopathologicaly positive, 82% of cases of nodal sizes between 2.1-3cm were histopathologically positive, 40% of cases of nodal sizes between 1-2cm were histopathologically positive and all cases of lymph nodes sizes <1cm were histopathologicaly negative. Seventy seven percent of cases which had a group of lymph nodes (>=3 nodes/region) were histopathologicaly positive. Seventy nine percent of cases with rounded nodes were histopathologicaly positive and all cases with necrotic lymph nodes were positive for malignancy. Conclusion: The Metastatic Score (MS) is a good indicator of metastatic cervical lymph nodes and the proposed formula is a good assessment tool for cervical lymph nodes evaluation by using Helical CT scan in head and neck cancer patients. CT scan showed a sensitivity of 93%, a specificity of 91% and an accuracy of 92% in the determination of cervical lymph nodes metastases Recommendations: to use the (MS) as an indicator for evaluation of cervical lymph nodes of head and neck cancer patients by using the helical CT scan
URI: http://hdl.handle.net/123456789/7782
Date: 2015-03-31


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