Medical term for a pigmented spot on the skin, including both lentigo (flat) and mole (raised). In everyday language, ほくろ is more common.
I had a mole examined at the dermatology clinic.
This lentigo is benign.
solar lentigo; sun spot; liver spot
Standard medical term for lentigo or mole. Not to be confused with 黒子 (ほくろ) or 黒子 (くろこ).
Sino-Japanese compound of 黒 (black) and 子 (small thing/child), referring to a small dark spot on the skin. The reading こくし is the on'yomi of the characters.