Table 2. Clinical characteristics of the 11 melanoma patients.

No.	Sex	Age (years)	Histopathological type	AJCC stage	Metastatic sites	No. of CTC in 5 ml of PB
1	M	54	Mucosal	IV	Lymph nodes, lung, brain, spinal cord	2–5
2	F	78	Mucosal	IV	Lymph nodes, lung, liver	2
3	M	67	Mucosal	IIIC	Lymph nodes	5
4	F	68	Mucosal	IV	Lymph nodes, lung	1–5
5	F	64	Non-CSD	IV	Lymph nodes, lung, liver, skin	1–20
6	M	61	Non-CSD	IV	Lymph nodes, lung, brain, skin	2–7
7	F	62	Non-CSD	IV	Lymph nodes, lung, peritoneum	1–3
8	M	73	Non-CSD	IV	Lymph nodes, digestive tract, pleura, abdominal cavity, skin	1
9	M	69	Unknown	IV	Lymph nodes, liver, digestive tract, bone, adrenal, skin	8
10	F	62	Acral	IIIC	Lymph nodes	6
11	M	84	Acral	IV	Lymph nodes, lung, brain	7

Abbreviations: CTC=circulating tumour cells; non-CSD=melanoma on non-chronic sun-damaged skin; PB=peripheral blood.