protrusion

To evaluate the MR images of compressive myelomalacia caused by protrusion of cervical intervertebral discs.

椎椎间盘突出症所致压迫性脊髓软化症MR表现和分期。

Dehiscence of the floor of the hypotympanum with protrusion of the jugular bulb into the middle ear cavity is a rare otological finding.

摘要静脉球经下鼓室底部骨层裂隙膨入中耳腔，是一种罕见中耳腔血管异常。