[Burned-out tumor and carcinoma-in-situ of the testis mimicking an extragonadal germ cell tumor: a case report].
Department of Urology, Fukushima Medical College.Hinyokika kiyo. Acta urologica Japonica 09/1996; 42(8):613-6.
Multiple tumors of mediastinum, retroperitoneum and lung were detected in a 40-year-old man presented with lumbago and lower abdominal pain. As biopsy specimen taken from the cervical lymph node suggested germ-cell tumor and his testes were normally palpable, the initial diagnosis was an extragonadal germ-cell tumor. However, since ultrasonography of his left testis showed a small high echoic lesion (5 mm) assumed to be a burned-out tumor, orchiectomy was performed. Histological findings confirmed scar tissue as burned-out tumor and also revealed some malignant cells lining the seminiferous tubules that were thought to be the carcinoma-in-situ of the testis. After chemotherapy of etoposide and cisplatinum he achieved a partial response which has been maintained for 7 months. Examinations for burned-out tumor or carcinoma-in-situ of the testis should be made for the patients with an extragonadal germ cell tumor who have normally palpable testes.
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