Solitary or multiple, slightly raised, pigmented lesions with irregular borders, usually measuring more than 0.6cm in greatest dimension. Morphologically, there is melanocytic atypia and the differential diagnosis from melanoma may be difficult. Patients are at an increased risk for the development of melanoma.
Inclusions
Dysplastic naevus, unspecified
Also indexed as
Atypical melanocytic naevusDysplastic naevus, unspecifiedMelanocytic naevus with mild to moderate dysplasiaMultiple atypical melanocytic naevi