For intermediate thickness malignant melanomas of the skin (1 – 4 mm in thickness) an adequate surgical margin about the tumor can be determined based on the location and extent of the tumor.
Patient selection: Patients with melanomas measuring from 1 to 4 mm in thickness (intermediate thickness).
Parameters:
(1) location
(2) diameter of the primary tumor in cm
(3) thickness of the tumor in mm (Breslow thickness)
Location
Diameter of Tumor in cm
Breslow thickness in mm
Surgical Margin in cm
trunk, proximal extremities
<= 2.0 cm
1.0 - 1.99 mm
1.0 cm
<= 2.0 cm
2.0 – 4.0 mm
2.0 cm
> 2.0 cm
< 2.0 mm
1.5 cm
> 2.0 cm
2.0 – 4.0 mm
2.0 cm
head, neck, hands, feet
<= 3.0 cm
1.0 - 1.99 2.0 mm
1.5 cm
<= 3.0 cm
2.0 – 4.0 mm
2.0 cm
> 3.0 cm
< 2.0 mm
2.5 cm
> 3.0 cm
2.0 – 4.0 mm
2.5 cm
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