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Port site recurrence after laparoscopic radical nephrectomy: a case report.

Authors :: Shimokihara K
Kawahara T
Takamoto D
Mochizuki T
Hattori Y
Teranishi JI
Miyoshi Y
Chiba S
Uemura H
Source :: Journal of medical case reports [J Med Case Rep] 2017 Jun 08; Vol. 11 (1), pp. 151. Date of Electronic Publication: 2017 Jun 08.
Publication Year :: 2017
Abstract: Background: Due to the recent development of laparoscopic devices, laparoscopic radical nephrectomy is the standard procedure for localized renal cell carcinoma. However, some studies have reported postoperative port site metastasis in several cancers.<br />Case Presentation: A 68-year-old Asian-Japanese man was referred to our hospital for a further examination of his right renal tumor in 2009. Due to a clinical suspicion of renal cell carcinoma, laparoscopic nephrectomy was performed. The histopathological diagnosis was clear cell renal cell carcinoma. Follow-up computed tomography revealed a mass between the internal oblique muscle of his abdomen and the transverse muscle of his abdomen in 2014. The tumor size gradually increased, and positron emission tomography-computed tomography revealed the accumulation of fludeoxyglucose in that tumor with maximum standardized uptake value of 2.7. Based on these findings, port site recurrence was suspected, and tumor resection was performed in 2017. The pathological diagnosis was metastatic clear cell renal cell carcinoma.<br />Conclusions: Here we report a rare case of port site metastasis that was successfully treated 7 years after laparoscopic nephrectomy.