Table 1.

Clinical and genetic data for cutaneous sporadic melanoma patients

Patient	Age/sex	Location	Type	Thicknessa	Instabilityb
1	73/M	Shoulder	SS	7.4 mm	ND
2	54/M	Back	SS	0.2 mm	D5S107c
3	50/M	Metastasis	UND	—	ND
4	40/M	Metastasis	UND	—	ND
5	39/F	Metastasis	UND	—	ND
6	92/M	Scalp	SS	1.3 mm	D1S187c
7	30/F	Arm	SS	3.4 mm	ND
8	44/M	Shoulder	LM	0.5 mm	ND
9	43/F	Vulva	SS	1.3 mm	ND
10	55/M	Back	SS	1.5 mm	D17S786c
11	34/F	Leg	SS	1.1 mm	ND
12	71/M	Metastasis	UND	—	D1S187c
13	44/F	Breast	SS	0.2 mm	ND
14	52/M	Back	SS	0.8 mm	D6S357c + D1S187c
15	63/M	Back	SS	0.8 mm	ND
16	35/F	Arm	SS	0.7 mm	ND
17	64/M	Scalp	SS	0.5 mm	ND
18	76/M	Unknown	SS	0.9 mm	ND
19	45/M	Chest	SS	0.9 mm	D6S357d
20	81/M	Back	SS	1.2 mm	ND

Abbreviations: ND, no instability detected; SS, superficial spreading; UND, type not determined; LM, lentigo maligna.

^aThickness of metastatic specimens.

^bPatient’s samples show instability at the indicated sites.

^cReplication error at locus indicated.

^dLoss of heterozygosity.