J.Jpn. Surg. Soc.. 91(9): 1204-1207, 1990

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Report on the annual meeting

SIGNIFICANCE OF DISSECTING LATEROAORTIC LYMPH NODE (AROUND LEFT RENAL VEIN) IN CARDIAC CANCER

Cardiac cancers are seldom detected as an early cancer, or a small-size cancer as an early-stage cancer, and an improved diagnostic technique has been long awaited. At present, therefore, an extended radical surgery is performed in the case of an advanced cardiac cancer.
During the period from 1949 to 1989, radical surgery, excluding an absolute non-curative resection, was performed on 302 cases of primary cardiac adenocarcinoma. The metastatic rate and the prognosis were evaluated clinicopathologically while comparing a lateroaortic lymph nodes around left renal vein (No. 16a2 latero, N4 by current general rules) and a lower thoracic paraesophageal lymph nodes (No. 110, N2 by current general rules), and the following results were obtained.
1. The metastasis of cardiac cancer to No. 16a2 latero and No. 110 lymph node was frequently observed when the diameter was more than 4cm, the extension to the esophagus was more than 1cm, and the depth of invasion was greater than pm and infiltrative type was present.
2. No. 16a2 latero is lymph node located as close to the cardia as the No. 110, and is at least equal to N3 lymph nodes. It is considered to be an important dissection site.

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