Rete testis invasion is consistent with pathologic stage T1 in germ cell tumors
Authors
Farooq, AJorda, M
Whittington, E
Kryvenko, O
Braunhut, B
Pavan N
Prochazkova, K
Zhang, L
Rai, S
Miller, Tegan
Liu, J
Szabo, A
Iczkowski, K
Affiliation
Medical College of Wisconsin, MilwaukeeUniversity of Miami Miller School of Medicine/Jackson Health System, Miami, FLIssue Date
2018
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OBJECTIVES: Rete testis invasion by germ cell tumors is frequently concomitant with lymphovascular or spermatic cord invasion (LVI/SCI); independent implications for staging are uncertain. METHODS: In total, 171 seminomas and 178 nonseminomatous germ cell tumors (NSGCTs; 46 had 1%-60% seminoma component) came from five institutions. Metastatic status at presentation, as a proxy for severity, was available for all; relapse data were unavailable for 152. Rete direct invasion (ReteD) and rete pagetoid spread (ReteP) were assessed. RESULTS: ReteP and ReteD were more frequent in seminoma than NSGCT. In seminoma, tumor size bifurcated at 3 cm or more or less than 3 cm predicted metastatic status. Tumors with ReteP or ReteD did not differ in size from those without invasions but were less than with LVI/SCI metastatic status or relapse did not show differences. In NSGCT, ReteP/ReteD did not correlate with size, metastatic status, or relapse. CONCLUSIONS: Findings support retaining American Joint Committee for Cancer pathologic T1 stage designation for rete testis invasion and pT1a/pT1b substaging of seminoma.Citation
Farooq A, Jorda M, Whittington E, Kryvenko ON, Braunhut BL, Pavan N, et al. Rete testis invasion is consistent with pathologic stage T1 in germ cell tumors. Am J Clin Pathol. 2018 Dec 20.Journal
American Journal of Clinical PathologyDOI
10.1093/ajcp/aqy168PubMed ID
30576407Additional Links
https://dx.doi.org/10.1093/ajcp/aqy168Type
ArticleLanguage
enae974a485f413a2113503eed53cd6c53
10.1093/ajcp/aqy168
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