Table 2 Clinical and pathological features of clinical CUP patients who had undergone histopathological examinations of suspicious primary lesions
From: Sentinel node theory helps tracking of primary lesions of cancers of unknown primary
|  | Group A Primary site confirmed (N = 64) | Group B Primary site not confirmed (N = 204) | P value |
|---|---|---|---|
Age, years (x ± s) | 54.47 ± 9.73 | 55.10 ± 10.98 | 0.679 |
Sex | Â | Â | 0.956 |
Male | 31(48%) | 98(48%) | Â |
Female | 33(52%) | 106(52%) | Â |
Bone metastasis | 6(9%) | 12(6%) | 0.330 |
Visceral metastasis | 9(14%) | 14(7%) | 0.073 |
SCC | 26(41%) | 66(32%) | 0.224 |
Non SCC | 38(59%) | 138(68%) | Â |
Adenocarcinoma | 34(53%) | 91(45%) | 0.233 |
Non adenocarcinoma | 30(47%) | 113(55%) | Â |
Poor- or un-differentiated | 4(6%) | 47(23%) | 0.003* |
Differentiated | 60(94%) | 157(77%) | Â |