静脉给药病人偏振光显示亮白色滑石结晶。注入的药物用滑石稀释。这样的异物可促使肉芽肿形成。
Seen under polarized light are numerous bright white crystals of talc in a patient who was an intravenous drug user. The injected drug was diluted with the talc. Such foreign material can produce a granulomatous reaction.