also: いぶつにくげしゅ
noun
foreign-body granuloma
Medical term for a granuloma that forms around a foreign body, such as a splinter or surgical material.
手術後に異物肉芽腫ができることがある。
A foreign-body granuloma can sometimes form after surgery.
病理検査で異物肉芽腫と診断された。
It was diagnosed as a foreign-body granuloma on pathological examination.
肉芽腫 is a general term for granuloma, while 異物肉芽腫 specifies a granuloma caused by a foreign body.
Compound of 異物 (foreign body) + 肉芽腫 (granuloma). The reading にくがしゅ is standard for 肉芽腫; the variant にくげしゅ is less common.