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In recognition of his contribution, the depth of invasion of melanoma is referred to by the eponym Breslow's depth. Subsequent studies confirmed and refined the role of depth of invasion in the prognosis of malignant melanoma. [2] [3] Currently, Breslow's depth is included in the AJCC staging guidelines for melanoma as a major prognostic factor.
The prognosis of acral lentiginous melanoma is based on multiple factors including gender, age, race, Breslow depth, staging, and sentinel lymph node positivity. [7] Out of these factors, it is believed that sentinel lymph node positivity provides the strongest prediction of cancer recurrence and death.
Complete circumferential peripheral and deep margin assessment (CCPDMA) is the preferred method for the removal of certain cancers, especially skin cancers. [ 1 ] [ 2 ] There are two forms of CCPDMA surgery: Mohs surgery and surgical excision coupled with margin assessment.
Many surgeons consider 0.5 cm (0.2 in) the standard of care for standard excision of melanoma-in-situ, [106] but 0.2 cm (0.1 in) margin might be acceptable for margin controlled surgery (Mohs surgery, or the double-bladed technique with margin control). The wide excision aims to reduce the rate of tumor recurrence at the site of the original ...
The suggested margin size for amelanotic melanoma is debatable since it varies according to the lesion's development, thickness, and invasion depth. [34] Guidelines from the Annals of Surgery, however, suggest that melanomas larger than 2 mm be removed with 2 cm margins.
Asymmetry: A melanoma lesion often is oddly shaped. Border: It has an irregular border. Color: It has varying color. Diameter: It is usually 6 millimeters wide, about the size of a pencil eraser.
Clark's level is a staging system, which describes the level of anatomical invasion of the melanoma in the skin. It was developed by Wallace H. Clark Jr. at Harvard University and Massachusetts General Hospital in the 1960s.
Superficial spreading melanoma (SSM) is a type of skin cancer that typically starts as an irregularly edged dark spot typically on sun-exposed part of the body. [ 2 ] [ 3 ] The colour may be variable with dark, light and reddish shades; occasionally no color at all. [ 2 ]