Synchronous Leydig Cell Tumor and Seminoma in the Ipsilateral Testis

Table 1

Clinical summary of reported cases of synchronous Leydig cell tumor and seminoma in an ipsilateral testis.

Case	Age (years)	Associated clinical features	Mass size, seminoma/LCT	Associated GCN	Benign/malignant LCT	Treatment	Outcome; Months (M)
1 [3]	34	None	3.2 cm/1.5 cm	Seminoma	Benign	Surgery, XRT	NA
2 [4]	39	Cryptorchidism and reduced libido	Total size, 1 cm	Seminoma	Benign	Surgery	NA
3 [5]	34	None	3.2 cm/1.2 cm	Seminoma	Benign	Surgery, XRT	16 years
4 [6]	24	None	3.5 cm/1 cm	Seminoma, EC, and CA	Benign	Surgery	NA
5 (present case)	38	None	6 cm/1 cm	Seminoma	Benign	Surgery	10 years

LCT, Leydig cell tumor; GCN, germ cell neoplasm; EC, embryonic carcinoma; CA, choriocarcinoma; XRT, radiotherapy; NA, not available.