Predicting recurrence following post-chemotherapy retroperitoneal lymph node dissection for residual fibrosis or teratoma
2006
4551 Background: The current recommendation for the management of patients with the histologic finding of fibrosis or teratoma at PC-RPLND is surveillance. We evaluated men at our institution who underwent PC-RPLND for metastatic non-seminomatous germ cell tumor (NSGCT) to determine predictors of disease recurrence. Methods: From 1989 through 2003, a total of 532 men underwent PC-RPLND for metastatic NSGCT at our institution. Of these, 473 (89%) had either fibrosis or teratoma present in the RPLND specimen. Following IRB approval, clinical and pathologic data were obtained from our prospective surgical database. A Cox regression model was constructed to evaluate variables that may predict for recurrence of viable NSGCT following PC-RPLND and a prognostic index was developed. Freedom from disease recurrence was analyzed using the Kaplan Meier method. Results: Of the 473 patients with fibrosis or teratoma, all patients underwent complete resection of all residual retroperitoneal masses, however 35 (7%) did ...
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