H J Steinkamp1, A Beck, M Werk, R Felix. 1. Universitätsklinikum Charité, Campus Virchow Klinikum, Humboldt-Universität Berlin, Germany.
Abstract
OBJECTIVE: Assessment of the value of magnetic resonance tomography in the determination of extracapsular neoplastic spread and soft tissue infiltration of cervical lymph nodes. MATERIALS AND METHODS: The results of magnetic resonance tomographies of 110 patients with squamous cell carcinoma in the head-neck region were prospectively compared with the findings of the histologic examination after neck dissection. RESULTS: Magnetic resonance tomography reaches a specificity of 72.2 % in the detection of extracapsular neoplastic spread. The sensitivity of the method is 74.4 %. Mainly small (less than 1 cm; n = 11) extracapsular growth was not detected and was diagnosed false-negative in the MRI examinations. CONCLUSION: The specificity (72.2 %) and sensitivity (74.4 %) of MRI examinations to detect extracapsular spread of lymph nodes is only partially satisfying.
OBJECTIVE: Assessment of the value of magnetic resonance tomography in the determination of extracapsular neoplastic spread and soft tissue infiltration of cervical lymph nodes. MATERIALS AND METHODS: The results of magnetic resonance tomographies of 110 patients with squamous cell carcinoma in the head-neck region were prospectively compared with the findings of the histologic examination after neck dissection. RESULTS: Magnetic resonance tomography reaches a specificity of 72.2 % in the detection of extracapsular neoplastic spread. The sensitivity of the method is 74.4 %. Mainly small (less than 1 cm; n = 11) extracapsular growth was not detected and was diagnosed false-negative in the MRI examinations. CONCLUSION: The specificity (72.2 %) and sensitivity (74.4 %) of MRI examinations to detect extracapsular spread of lymph nodes is only partially satisfying.
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