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Fig. 5 | BMC Medical Imaging

Fig. 5

From: A novel technique using ultrasonography in upper airway management after anterior cervical decompression and fusion

Fig. 5

Postoperative course of the prevertebral soft tissue (PST) and upper airway in the representative case. a: Postoperative changes in the thickness of the PST measured via ultrasonography. b: Postoperative changes in the upper airway measured via ultrasonography. c: Postoperative changes in the thickness of the PST measured via lateral radiography of the cervical spine

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