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Jane Whitney

Pneumorrhachis (air in spinal epidural space) 

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medical illustration of Pneumorrhachis: The most frequent initial mechanism is an increase in intraalveolar pressure (acute asthma, recurrent vomiting, or closed thoracic trauma). Barotrauma and alveolar rupture allow air migration along the bronchial tree up to the mediastinum. The collected air then separates the mediastinal pleura from the aorta and the parietal pleura from the spine; therefore, it enters the epidural space via the intervertebral foramina.
Next medical illustration of In rare cases the embryonic foramen caecum is not obliterated and the dural diverticulum does not retract. In this pediatric case an intracranial connection required surgery to remove the tract and 2 cysts.

Nasocranial dermoid

Pneumorrhachis: The most frequent initial mechanism is an increase in intraalveolar pressure (acute asthma, recurrent vomiting, or closed thoracic trauma). Barotrauma and alveolar rupture allow air migration along the bronchial tree up to the mediastinum. The collected air then separates the mediastinal pleura from the aorta and the parietal pleura from the spine; therefore, it enters the epidural space via the intervertebral foramina.

Keywords: Color, Publishing, Professional Education, Anatomy, Neurosurgery, Injuries

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