[名词解释] Tumarkin耳石危象

男，45岁，胸骨后隐痛伴四肢无力3月余，结合影像学检查，最可能的诊断是() ["A．胸内甲状腺肿","B．纵隔畸胎瘤","C．胸腺瘤","D．淋巴瘤","E．间皮囊肿"] 正常乳腺分哪几型?各型X线表现如何? Lemoyez syndrome BPPV 脊髓造影如何诊断椎管内肿瘤? Tumarkin耳石危象