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Clincal Presentation

Symptoms

Physical Exam

Click to see Subtypes:

TYPE DESCRIPTION PERCENTAGE OF MELANOMAS
Melanoma in situ Confined to epidermis Approximately 40
Superficial spreading melanoma Most common type of cutaneous malignant melanoma in persons with fair skin 70
Typically occur in persons 30 to 50 years of age
Typically occur on the trunk of men and legs of women
Nodular melanoma Second most common type of cutaneous malignant melanoma in persons with fair skin 10 to 15
Typically occur on the trunk, head, or neck
More common in men than in women
Lentigo maligna and lentigo maligna melanoma Typically occur in persons 60 to 80 years of age with sun-damaged skin 4 to 15
Very slow growing
Can be large lesions
Amelanotic melanoma Rare, can mimic benign conditions, often diagnosed at a more advanced stage Less than 5
Acral-lentiginous melanoma Rare, but is the most common melanoma in black and Asian persons 2 to 8
Subungual melanoma Rare, presents as a single longitudinal line of pigmentation on a nail 0.7 to 3.5
Pigmentation may also spread onto the overlying and adjacent proximal or lateral nailfolds (Hutchinson sign)

Table from https://www.aafp.org/afp/2012/0115/p161.html

Diagnosis and Investigations

Differential

Management

Epidemiology

Pathophysiology

Summary

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