Kotanagi H, Fukuoka T, Shibata Y, Yoshioka T, Aizawa O, Saito Y, Tur G E, Koyama K
Department of Surgery, Akita University, School of Medicine, Japan.
J Surg Oncol. 1993 Dec;54(4):252-4. doi: 10.1002/jso.2930540414.
We evaluated the relationship between the size of regional lymph nodes and the presence of metastasis in them in rectal cancer. Of 1,064 lymph nodes in 46 specimens, 133 (13%) were found to have metastases. A half of the positive nodes and most of the negative ones were less than 5 mm in diameter. Therefore, we must find lymph nodes smaller than 5 mm in diameter for assessment of lymph node metastasis. Although positive nodes were larger than negative ones, there was no significant difference. However, when comparing the size of lymph nodes in relation to their location, the epi- and pararectal lymph nodes larger than 10 mm in diameter were highly suggestive of metastases, but the size of the lymph node was not a reliable indicator of lymph node metastases in other situations.
我们评估了直肠癌区域淋巴结大小与其中转移灶存在之间的关系。在46个标本中的1064个淋巴结中，发现133个（13%）有转移。一半的阳性淋巴结和大多数阴性淋巴结直径小于5毫米。因此，为评估淋巴结转移，我们必须找到直径小于5毫米的淋巴结。虽然阳性淋巴结比阴性淋巴结大，但差异无统计学意义。然而，当比较不同位置淋巴结的大小时，直径大于10毫米的直肠上和直肠旁淋巴结高度提示有转移，但在其他情况下，淋巴结大小并非淋巴结转移的可靠指标。
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