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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Which naevi commonly predispose to malignant melanoma ?
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The correct answer is  Malignant transformation is rare and occurs in the following situations: Congenital melanocytic naevi:6% of lesions undergo malignant change , risk of malignant transformation is greater in giant lesions. Dysplastic naevus syndrome: in melanoma prone families. From illustrated synopsis of dermatology and sexually transmitted diseases neena khanna 5th edition page no 382