患者,男性,75岁,左下颌后牙区牙龈肿块20年,伴疼痛出血2年,并呈渐进性增大。有抽烟史40余年。检查:<img src='https://img2.soutiyun.com/shangxueba/ask/18387001-18390000/18389825/2015092415361861012.jpg' />的颊舌侧至左侧磨牙后垫有乳头增生样肿块,有蒂,表面色泽呈淡粉红色,但<img src='https://img2.soutiyun.com/shangxueba/ask/18387001-18390000/18389825/2015092415350262517.jpg' />区颊舌侧牙龈呈暗紫色溃疡,触之易出血,有触痛,<img src='https://img2.soutiyun.com/shangxueba/ask/18387001-18390000/18389825/2015092415350514800.jpg' />松动Ⅲ度,无叩痛,与<img src='https://img2.soutiyun.com/shangxueba/ask/18387001-18390000/18389825/2015092415350262517.jpg' />呈锁,并可咬着<img src='https://img2.soutiyun.com/shangxueba/ask/18387001-18390000/18389825/2015092415350262517.jpg' />牙龈,张口度3.0cm;左侧下颌下和颈深上可触及肿大的淋巴结,3cm×2cm和2cm×1.5cm,质地中等,活动,无压痛;右侧下颌下区可扪及数枚0.5cm×1.0cm淋巴结,质地软,活动,无压痛;右侧颈部未触及肿大的淋巴结。全口牙位曲面体层X线片示:<img src='https://img2.soutiyun.com/shangxueba/ask/18387001-18390000/18389825/2015092415350262517.jpg' />牙槽骨吸收破坏,未累及下牙槽神经管。该患者尚需作的辅助检查()

A.颅颌面CT B. 颅颌面MRI C. B超 D. 局部活检 E. 细菌培养+药物敏感试验F . PET/CT

时间:2023-09-09 08:25:32

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