Detection by endoscopic ultrasound-guided fine-needle aspiration of retroperitoneal lymph node metastasis as the initial presentation of testicular seminoma

CC BY 4.0 · Endoscopy 2025; 57(S 01): E887-E888
DOI: 10.1055/a-2658-0224

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Authors

Koichi Soga

¹Department of Gastroenterology, Dokkyo Medical University Saitama Medical Center, Koshigaya, Japan (Ringgold ID: RIN26263)
Kazuma Sakakibara

¹Department of Gastroenterology, Dokkyo Medical University Saitama Medical Center, Koshigaya, Japan (Ringgold ID: RIN26263)
Fuki Hayakawa

¹Department of Gastroenterology, Dokkyo Medical University Saitama Medical Center, Koshigaya, Japan (Ringgold ID: RIN26263)
Mayumi Yamaguchi

¹Department of Gastroenterology, Dokkyo Medical University Saitama Medical Center, Koshigaya, Japan (Ringgold ID: RIN26263)
Masaru Kuwada

¹Department of Gastroenterology, Dokkyo Medical University Saitama Medical Center, Koshigaya, Japan (Ringgold ID: RIN26263)
Ikuhiro Kobori

¹Department of Gastroenterology, Dokkyo Medical University Saitama Medical Center, Koshigaya, Japan (Ringgold ID: RIN26263)
Masaya Tamano

¹Department of Gastroenterology, Dokkyo Medical University Saitama Medical Center, Koshigaya, Japan (Ringgold ID: RIN26263)

References
1 Kontos S, Doumanis G, Karagianni M. et al. Burned-out testicular tumor with retroperitoneal lymph node metastasis: a case report. J Med Case Rep 2009; 3: 8705
2 Iwatsuki S, Naiki T, Kawai N. et al. Nonpalpable testicular pure seminoma with elevated serum alpha-fetoprotein presenting with retroperitoneal metastasis: a case report. J Med Case Rep 2016; 10: 114
3 Baky FJ, Liso N, Williams B. et al. Long-term outcomes of regressed or “burnt out” primary testicular germ cell tumors. Urology 2024; 193: 174-179