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?

<p>Familial Atypical Multiple Mole-Melanoma Syndrome (FAMMMS) (C)</p> Signup and view all the answers

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

<p>Nail fold and nail bed (subungual melanoma) (B)</p> Signup and view all the answers

What is the hallmark for subungual melanoma?

<p>Pigment spread to the proximal or lateral nail folds (Hutchinson sign) (A)</p> Signup and view all the answers

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

<p>Lentigo maligna melanoma (B)</p> Signup and view all the answers

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

<p>Acral lentiginous melanoma (C)</p> Signup and view all the answers

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

<p>Breslow’s micro-staging (C)</p> Signup and view all the answers

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

<p>Vertical growth phase (D)</p> Signup and view all the answers

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