Laparoscopic dissection for pelvic lymph node recurrence of thymic carcinoma: A case report

Thymic carcinoma, a rare mediastinal neoplasm, is characterized by extensive local invasion and distant metastasis. To our knowledge, this is the first case report demonstrating the efficacy of laparoscopic dissection for pelvic lymph node metastases from thymic carcinoma. A 64‐year‐old man was found to have a mediastinal mass by CT and underwent radical resection. Six months after resection of his thymic carcinoma, follow‐up CT revealed a gluteal tumor and enlarged pelvic lymph nodes. The gluteal tumor was resected percutaneously. Two months after this procedure, PET showed that the three pelvic lymph nodes had abnormal uptake of ¹⁸F‐fluorodeoxyglucose and had enlarged further. The patient accordingly underwent laparoscopic dissection of these lymph nodes. Pathological examination of all resected specimens showed metastatic thymic carcinoma. We recommend laparoscopic dissection of pelvic lymph node metastases because it provides a clear intraoperative view and is minimally invasive.

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