The Significance of Lymphovascular Invasion of the Spermatic Cord in the Absence of Cord Soft Tissue Invasion.

Arch Pathol Lab Med

From the Departments of Pathology (Drs McCleskey and Gordetsky), Urology (Drs Rais-Bahrami and Gordetsky), and Radiology (Dr Rais-Bahrami), University of Alabama, Birmingham; the Department of Pathology, University of Michigan, Ann Arbor (Dr Jorns); the Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California, Los Angeles (Dr Lu); the Department of Pathology, Brown University, Providence, Rhode Island (Dr Matoso); the Department of Pathology, University of Pennsylvania, Philadelphia (Dr Schwartz); the Departments of Hematology/Oncology (Drs Albany and Hashemi-Sadraei) and Pathology (Drs Idrees and Ulbright), Indiana University School of Medicine, Indianapolis; and the Department of Pathology, The Johns Hopkins Hospital, Baltimore, Maryland (Dr. Epstein).

Published: June 2017

Context: - Testicular germ cell tumors with lymphovascular invasion (LVI) are staged pT2, and those with spermatic cord involvement are staged pT3.

Objective: - To study the clinical significance of LVI within the spermatic cord without direct involvement of the cord soft tissues.

Design: - A retrospective, multi-institutional review was performed on testicular GCTs with spermatic cord LVI in the absence of cord soft tissue invasion.

Results: - Forty-four germ cell tumors had LVI in the spermatic cord without soft tissue invasion; 37 of 44 patients (84%) had nonseminomatous germ cell tumors (NSGCT), and 7 (16%) had pure seminomas. Patients with NSGCTs and spermatic cord LVI had worse clinical outcomes compared with patients with pure seminoma and spermatic cord LVI (P = .008). We then compared patients with NSGCTs and spermatic cord LVI (n = 37) to patients with NSGCTs and LVI limited to the testis (n = 32). A significantly greater percentage of patients with LVI in the spermatic cord presented with advanced clinical stage (76% versus 50%; P = .01). There was no statistically significant difference in disease recurrence/progression or death between patients with spermatic cord LVI and patients with LVI limited to the testis (P = .40; P = .50). There was no significant difference in the presence of embryonal dominant histology (P = .30) or rete testis invasion (P = .50) between the 2 groups. More hilar soft tissue invasion was seen in patients with LVI present in the spermatic cord (P = .004).

Conclusions: - In patients with NSGCTs, LVI in the spermatic cord, without soft tissue invasion, is associated with worse clinical stage at presentation compared with patients with LVI confined to the testis.

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Source
http://dx.doi.org/10.5858/arpa.2016-0226-OADOI Listing

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