A- The most common type of head and neck melanoma is nodular.
B- Mucosal melanomas mostly arise in the nasal cavity and are associated with a poor
prognosis and recurrence after treatment.
C- Lentigo maligna (LM) is regarded as the most invasive form of melanoma.
D- Desmoplastic melanomas (DMs) are rarely associated with LM lesions, typically
appear on the extremities, are mildly infiltrative, and rarely recur
Correct answer : B
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