Table 1

Patients’ demographics at diagnosis
Total (n=158) Seminoma (n=118) Nonseminoma (n=40) P value seminoma vs nonseminoma
age [y.o.] 37.0 ± 10.6 39.0 ± 9.8 31.2 ± 11.1 <0.01*
mean ± SD (range) (1–65) (22–65) (1–54)
side n(%) right 91 (57.6%) 70 (59.3%) 21 (52.5%) 0.45
left 67 (42.4%) 48 (40.7%) 19 (47.5%)
tumor size [cm] 6.0 ± 2.7 6.4 ± 2.8 4.8 ± 1.9 <0.01
mean ± SD (range) (1.5–18) (1.5–18) (2.0–9.0)
pT n(%) T1 48 (30.4%) 32 (27.1%) 16 (40.0%) 0.51
T2 63 (39.9%) 48 (40.7%) 15 (37.5%)
T3 2 (1.3%) 2 (1.7%) 0 (0%)
T4 1 (0.6%) 1 (0.8%) 0 (0%)
Tx 44 (27.8%) 35 (29.7%) 9 (22.5%)
LDH (IL/l) 449.8 ± 453.5 491.9 ± 504.9 323.6 ± 197.6 0.05
mean ± SD (range) (121–3043) (112–3043) (121–945)
AFP (ng/ml) 124.0 ± 801.7 2.9 ± 1.4 474.1 ± 1544.0 <0.01
mean ± SD (range) (1.0–9363.1) (1.0–8.2) (2.5–9363.1)
hCGβ (ng/ml) 1.0 ± 1.8 0.9 ± 1.8 1.2 ± 1.7 0.37
mean ± SD (range) (<0.1–10.9) (<0.1–10.9) (<0.1–6.69)

LDH, lactate dehydrogenase; AFP, α-fetoprotein, hCGβ, human chorionic gonadotropin β subunit.

Kobayashi et al.

Kobayashi et al. Diagnostic Pathology 2013 8:57   doi:10.1186/1746-1596-8-57

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