Masaki Y, Yamamoto M, Nishimura H, Morioka H
Department of Thoracic Surgery, Saitama Cancer Center, Japan.
Nihon Kyobu Geka Gakkai Zasshi. 1992 Apr;40(4):574-7.
We encountered an unusual case with a sole cancer focus at the mediastinal lymph node. The patient was a 44-year-old man who visited our department with a chief complaint of chest pain. Subsequent chest X-ray and CT revealed an enlargement of a mediastinal lymph node. The excised lymph node measured 6.8 x 5.5 x 4.0 cm and weighed 51 g. It showed metastasis of poorly differentiated adenocarcinoma. In spite of a thorough systemic examination, no primary foci were detected. Lymph node tumors of the mediastinum or hilar region with unknown primary foci are extremely rare (there have been only 2 reported cases of lesions found at the hilar lymph node with unknown primary focus). There have been no reports on cancerous foci limited to the mediastinal lymph nodes. The patient has been under chemotherapy and radiotherapy during the past 3 years following surgery. He shows no signs of recurrence. It is a very unusual case. A possible classification of T0N2M0 has been considered.
我们遇到了一个不寻常的病例，仅在纵隔淋巴结发现了一个癌灶。患者为一名44岁男性，因胸痛为主诉前来我院就诊。随后的胸部X线和CT检查显示纵隔淋巴结肿大。切除的淋巴结大小为6.8×5.5×4.0 cm，重51 g。病理显示为低分化腺癌转移。尽管进行了全面的系统检查，但未发现原发灶。纵隔或肺门区域淋巴结肿瘤伴不明原发灶极为罕见（仅有2例报道的肺门淋巴结病变原发灶不明）。尚无仅限于纵隔淋巴结癌灶的报道。该患者术后3年来一直在接受化疗和放疗。目前无复发迹象。这是一个非常罕见的病例。已考虑可能的T0N2M0分类。
