It is an unusual clinical presentation of speckled lentiginous nevus which must be differentiated from benign pigmented lesions due to a potential for malignant changes.

此例为斑点状小痣样母斑临床上较特殊表现，且因其有恶性变化，与其他良性色素病灶作鑑别。

Speckled lentiginous nevus is characterized by a tan or light brown background patch on which more darkly pigmented macules or papules are randomly distributed.

摘要斑点状小痣样母斑，其特徵是许多颜色较深斑点或丘疹散布在一块褐色或淡棕色斑块上。