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Melanoma: Skin Cancer Overview

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Questions and Answers

Which of the following is NOT a predisposing factor for Melanoma?

Immunodeficiency

Chronic exposure to sunlight (UVB)

Regular use of sunscreen (correct)

History of previous melanoma

From which of the following benign lesions can melanoma arise?

Junctional naevi (correct)

Hutchinson’s freckle

Xeroderma pigmentosa

Familial Atypical Multiple Mole-Melanoma Syndrome (FAMMMS)

In which site does melanoma occur most frequently?

Internal organs like arachnoid and iris of the eye

Lower limbs (correct)

Mucous membranes like anal canal and conjunctiva

Nail fold and nail bed (subungual melanoma)

Which of the following conditions is characterized by the presence of large numbers of atypical moles (dysplastic nevi) and has a high risk of turning malignant?

Familial Atypical Multiple Mole-Melanoma Syndrome (FAMMMS) Signup and view all the answers

Which of the following sites is categorized as a special site for melanoma?

Nail fold and nail bed (subungual melanoma) Signup and view all the answers

What is the hallmark for subungual melanoma?

Pigment spread to the proximal or lateral nail folds (Hutchinson sign) Signup and view all the answers

Which type of melanoma has the best prognosis due to invasive growth occurring late?

Lentigo maligna melanoma Signup and view all the answers

What is the commonest type of melanoma in dark-skinned people?

Acral lentiginous melanoma Signup and view all the answers

Which staging system detects the depth of penetration of the tumor?

Breslow’s micro-staging Signup and view all the answers

In which phase do nodular melanomas have a vertical growth from the onset?

Vertical growth phase Signup and view all the answers