wen
a lump (= raised part) that has grown on the skin
皮質囊腫，表皮囊腫，粉瘤
He had a strange wen on his face, below the right side of his mouth.
他的臉上長了一個奇怪的粉瘤，在嘴的右下角。
根據本柯南看
劍橋字典的解釋
wen是粉瘤
所以有誰綽號是粉瘤
或是有長粉瘤的人
就是嫌疑犯