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, 20 (3), 659-65

Anatomical Study of Phrenic Nerve Using Ultrasound

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Anatomical Study of Phrenic Nerve Using Ultrasound

Clarissa Canella et al. Eur Radiol.

Abstract

Purpose: To demonstrate whether ultrasonography may allow a precise assessment of the course and relations of the phrenic nerve in its cervical portion.

Methods: This study, initially undertaken in five cadavers, was followed by high-resolution ultrasonographic study in 20 volunteers (40 nerves) by two radiologists in consensus. The location, course and relations of the phrenic nerve to the adjacent anatomical structures were analysed.

Results: The phrenic nerve could be nicely identified through the majority of its course by high-resolution ultrasonography. Useful anatomic landmarks for the detection of the nerve could be defined; these include the transverse cervical and ascending cervical arteries. Some anatomical variations were observed.

Conclusion: Knowledge of the nerve's precise location, which may demonstrate individual variations, may have useful clinical applications.

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