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  • Title: [The magnetic resonance tomographic differential diagnosis between reactively enlarged lymph nodes and cervical lymph node metastases].
    Author: Steinkamp HJ, Heim T, Schubeus P, Schörner W, Felix R.
    Journal: Rofo; 1992 Oct; 157(4):406-13. PubMed ID: 1391845.
    Abstract:
    A prospective study was carried out involving 27 patients to determine whether MRT can distinguish between lymph node metastases and reactive lymph node enlargement. The results of MRT were compared with the pathological findings. Using T1 and T2 weighted sequences and proton density sequences it was not possible to differentiate between reactively enlarged lymph nodes and lymph node metastases. Following the administration of Gd-DTPA the observation of central hypo-intensity with marginal hyper-intensity is a reliable sign of a lymph node metastasis. Using the criterion of length greater than 10 mm for lymph node metastases results in a specificity of 32% and sensitivity of 75%. The use of the sonographic maximal/cross measurement quotient > 2 in the axial/coronary/sagittal dimension improves specificity and sensitivity to 94%.
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