Objective
To evaluate, in detail, the histopathologic features of metastatic testicular germ
cell tumors to retroperitoneal lymph nodes treated with primary retroperitoneal lymph
node dissection (RPLND) and correlate the findings with patients' outcomes.
Materials and Methods
We studied 183 patients with documented pathologic stage II disease with or without
elevated serum tumor markers, selected from 453 patients who underwent primary RPLND
at our institution from 1989 to 2002. Tumor type(s), size and extent of disease, and
amount of tumor necrosis were assessed and correlated with outcome.
Results
Embryonal carcinoma was the most common tumor type, present as the only component
in 99 cases (54%) and the predominant tumor type (>50%) in 142 (78%). The number of
positive lymph nodes ranged from 1 to 40 from a total of 2-80 lymph nodes examined
(median, 28). Extranodal extension (ENE) was identified in 120 cases (66%). Among
73 patients followed up expectantly and with normal serum tumor markers, 19 experienced
relapse, the probability of which was higher in patients with more positive nodes,
larger metastases, and presence of ENE. However, none of these differences was statistically
significant (all P >.2). The predominance of embryonal carcinoma and the presence of tumor necrosis
were not significantly associated with outcome.
Conclusion
In this cohort, most patients treated with primary RPLND and with positive lymph nodes
also had ENE. We did not identify any variables to be significantly associated with
relapse after RPLND in patients managed expectantly. Additional studies with more
patients are needed to validate our findings.
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Article info
Publication history
Published online: October 03, 2013
Accepted:
April 27,
2013
Received:
December 28,
2012
Footnotes
Financial Disclosure: The authors declare that they have no relevant financial interests.
Identification
Copyright
© 2013 Elsevier Inc. Published by Elsevier Inc. All rights reserved.
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- Editorial CommentUrologyVol. 82Issue 6
- PreviewThe authors examine the clinical and pathologic characteristics of 73 patients undergoing primary retroperitoneal lymph node dissection (RPLND) with pathologic stage II disease who did not receive adjuvant chemotherapy. Of these patients who had normal serum tumor markers after RPLND, 19 of 73 (26%) had relapse of disease. Although they found that more positive nodes, larger metastases, and presence of extranodal extension increased the likelihood of recurrence, none of these factors was statistically significant.
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