PMC3843913_01
CT findings of primary tumors.
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F1
Computed tomography (CT) scans revealed a 15-cm mass and a small amount of ascites, but no sign of lymph node enlargement (fig. 1).
Histological features of primary tumors. Histological examination revealed the tumor to be a mixed germ cell tumor which included a grade 3 immature teratoma, mature teratoma, embryonal carcinoma, and yolk sac tumor.
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F2
Histological examination revealed the tumor to be a mixed germ cell tumor which included a grade 3 immature teratoma (75%), mature teratoma (10%), embryonal carcinoma (10%), and yolk sac tumor (5%) (fig. 2).
CT findings of three sites of tumor recurrence. The recurrent tumors are indicated by white arrows. a The appearance of a recurrent tumor of pelvic dissemination. b The appearance of a recurrent tumor of the para-aortic lymph node. c The appearance of a recurrent tumor of the lung.
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F3
Five years after the completion of chemotherapy, routine CT scans revealed dissemination in the pelvic region, para-aortic lymph node metastasis, and lung metastasis (fig. 3).
Histological features of recurrent tumors. Mature glandular tissue was seen in the recurrent, new mass, but no immature tissue was identified (HE, x100). a Pelvic dissemination. b Para-aortic lymph node metastasis. c Lung metastasis.
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F4
Pathologic analysis of the resected specimens revealed that all metastatic tumors were mature teratomas (fig. 4).