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

摘要斑状小痣样母斑，其特徵是许多颜较深斑丘疹散布在一块褐棕斑块上。

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.

此例为斑状小痣样母斑临床上较特殊表现，且因其有恶性变化可能，故须与其他良性素病灶作鑑别。