Sonographic appearance of the posterior interosseous nerve at the wrist

Jay Smith, Marco Rizzo, Jonathan T. Finnoff, Yusef A. Sayeed, Johan Michaud, Carlo Martinoli

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Objectives-The purpose of this study was to determine whether sonography can identify the distal posterior interosseous nerve at the wrist. Methods-On the basis of previous anatomic descriptions, high-resolution musculoskeletal sonography was used in an attempt to identify the distal posterior interosseous nerve in the wrists of 20 unembalmed cadaveric specimens (11 male and 9 female; ages 54-98 years). High-frequency scanning (17-5 MHz) of the fourth dorsal extensor compartment revealed a small (1-3 mm) hypoechoic structure located on the compartment floor, presumed to represent the posterior interosseous nerve. Electronic calipers measured the distance between Lister's tubercle and this structure, as well as the structure's radial-ulnar width and volar-dorsal height. The presumed posterior interosseous nerves of 10 specimens were then injected with diluted colored latex using sonographic guidance. Subsequent dissection definitively identified the sonographically visualized and injected structure. Results-Dissection revealed latex within the posterior interosseous nerve in all 10 injected specimens, thus confirming that the sonographically visualized structure represented the distal posterior interosseous nerve. The nerve was identified sonographically in all 20 examined specimens, was located an average of 4.88 mm (range, 2.10-10.0 mm) ulnar to Lister's tubercle, and had an average width and height of 2.35 mm (range, 1.20-3.50 mm) and 1.01 mm (range, 0.80-1.40 mm), respectively. Conclusions- High-resolution sonography can reliably identify the distal posterior interosseous nerve within the fourth dorsal extensor compartment. Clinicians should consider formal evaluation of the posterior interosseous nerve in patients presenting with dorsal wrist pain syndromes. Future investigations should explore the potential role of sonographically guided percutaneous procedures directed at the posterior interosseous nerve.

Original languageEnglish (US)
Pages (from-to)1233-1239
Number of pages7
JournalJournal of Ultrasound in Medicine
Volume30
Issue number9
DOIs
StatePublished - Sep 1 2011

Fingerprint

Wrist
Ultrasonography
Latex
Dissection
Pain

Keywords

  • Arthritis
  • Denervation
  • Injection
  • Nerve
  • Posterior interosseous nerve
  • Sonography
  • Wrist

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging

Cite this

Sonographic appearance of the posterior interosseous nerve at the wrist. / Smith, Jay; Rizzo, Marco; Finnoff, Jonathan T.; Sayeed, Yusef A.; Michaud, Johan; Martinoli, Carlo.

In: Journal of Ultrasound in Medicine, Vol. 30, No. 9, 01.09.2011, p. 1233-1239.

Research output: Contribution to journalArticle

Smith, J, Rizzo, M, Finnoff, JT, Sayeed, YA, Michaud, J & Martinoli, C 2011, 'Sonographic appearance of the posterior interosseous nerve at the wrist', Journal of Ultrasound in Medicine, vol. 30, no. 9, pp. 1233-1239. https://doi.org/10.7863/jum.2011.30.9.1233
Smith, Jay ; Rizzo, Marco ; Finnoff, Jonathan T. ; Sayeed, Yusef A. ; Michaud, Johan ; Martinoli, Carlo. / Sonographic appearance of the posterior interosseous nerve at the wrist. In: Journal of Ultrasound in Medicine. 2011 ; Vol. 30, No. 9. pp. 1233-1239.
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AU - Michaud, Johan

AU - Martinoli, Carlo

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KW - Sonography

KW - Wrist

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