80.附圖中箭頭所指病變之最可能診斷為何? (A)根尖囊腫(periapical cyst)(B)齒源性角化囊腫(odontogenic keratocyst)(C)齒源性黏液瘤(odontogenic myxoma)(D)腺瘤樣齒源性瘤(adenomatoid odontogenic tumor)