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Pathologic findings and clinical outcome of patients undergoing retroperitoneal lymph node dissection after multiple chemotherapy regimens for metastatic testicular germ cell tumors.

Abstract：

BACKGROUND:Postchemotherapy surgery is an essential component in the management of patients with metastatic germ cell tumors (GCT). The authors assessed their institutional experience of retroperitoneal lymph node dissection (RPLND) after multiple chemotherapy regimens for advanced GCT. METHODS:By analyzing the institutional prospective surgical database from 1989 to 2004, 71 patients were identified who underwent RPLND after multiple chemotherapy regimens. Clinicopathologic and treatment trends were characterized, and predictors of disease-specific survival (DSS) were evaluated. RESULTS:The histologic findings at RPLND were fibrosis in 36 men (51%), GCT in 20 men (28%), and teratoma in 15 men (21%). Patients who underwent RPLND from 1989 to 1998 (n = 47), compared with patients who underwent RPLND from 1999 to 2004 (n = 24) were more likely to have GCT (36% vs 13%; P = .04). Patients who received taxane-containing chemotherapy regimens as salvage therapy had lower rates of GCT at RPLND (14% vs 42%; P = .01), higher rates of fibrosis (63% vs 39%; P = .04), and similar rates of teratoma (31% vs 33%; P = .9). The 5- and 10-year DSS rates were 74% (95% confidence interval [95% CI], 62-86%) and 70% (95% CI, 56-84%), respectively. Five-year DSS based on worst histology of RPLND and extraretroperitoneal specimens was 87% (95% CI, 75-99%) for fibrosis, 87% for teratoma (95% CI, 63-100%), and 47% for GCT (95% CI, 23-71%; P = .004). On multivariable analysis, retroperitoneal mass > or = 5 cm and GCT were predictors of worse DSS (P = .03 and P = .005, respectively). CONCLUSIONS:Taxane-based salvage chemotherapeutic regimens appear to have decreased the rate of GCT at RPLND. The current data support RPLND in select patients after salvage chemotherapy, because a considerable proportion has teratoma or GCT, and the 10-year DSS rate after resection is 70%.

journal_name

Cancer

journal_title

Cancer

authors

Eggener SE,Carver BS,Loeb S,Kondagunta GV,Bosl GJ,Sheinfeld J

doi

10.1002/cncr.22440

subject

Has Abstract

pub_date

2007-02-01 00:00:00

pages

528-35

issue

eissn

0008-543X

issn

1097-0142

journal_volume

109

pub_type

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Pathologic findings and clinical outcome of patients undergoing retroperitoneal lymph node dissection after multiple chemotherapy regimens for metastatic testicular germ cell tumors.