Pre-operative evaluations of lymph node metastasis in left lung cancer; a comparison of endoscopic ultrasonography and computed tomography.

概要

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We evaluated hilar (# 10) and mediastinal lymph node metastases in primary left lung cancer preoperatively with endoscopic ultrasonography (EUS) and computed tomography in 48 cases from 1988 to 1993. The lymph node areas evaluated with endoscopic ultrasonography were limited to #2, 3p, 4, 5, 8, 10 on the left side and #7. The sensitivities of #10 and #5 were significantly low with computed tomography (50.0% and 28.6%), comparing with those of endoscopic ultrasonography (78.6% and 78.6%). The specificities of #5 and #7 were 82.4% and 81.1% respectively with endoscopic ultrasonography, which were lower than those with computed tomography (91.2%. 94.6%). There was no significant difference in accuracy between the two methods. Both computed tomography and endoscopic ultrasonography should be performed pre-operatively to evaluate lymph node metastasis.
特定非営利活動法人日本呼吸器外科学会の論文