Dehiscence of the floor of the hypotympanum with protrusion of the jugular bulb into the middle ear cavity is a rare otological finding.
摘
脉球经下鼓室底部骨层裂隙膨入中耳腔，是一种罕见的中耳腔血管异
。
Dehiscence of the floor of the hypotympanum with protrusion of the jugular bulb into the middle ear cavity is a rare otological finding.
摘脉球经下鼓室底部骨层裂隙膨入中耳腔，是一种罕见的中耳腔血管异。
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，
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