Concurrent development of testicular seminoma and choriocarcinoma of the superior mediastinum, presented as cervical mass: a case report and implications about pathogenesis of germ-cell tumours

Table 1 Summary of the published cases of synchronous or metachronous development of second GCT in patients with primary testicular cancer.

TYPE OF PRESENTATION	LOCALISATION OF SECOND TUMOUR	HISTOLOGY OF SECOND TUMOUR	REFERENCE
Metachronous	Costal bones	SGCT	[8]
Metachronous	Brain and Spleen	NSGCT	[9]
Metachronous	Paracolic	SGCT	[10]
Synchronous	IVC and GI	SGCT	[11]
Metachronous	Pancreas	NSGCT	[12]
Synchronous	Mediastinal	NSGCT	[13]
Metachronous	Subcutaneous	NSGCT	[14]

SGCT: seminomatous germ-cell tumours, NSGCT: non-seminomatous germ-cell tumours, IVC: inferior vena cava, GI: Gastro-intestinal tract.

ISSN: 1472-6890