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Thumb ultrasound: Technique and pathologies

View Article: PubMed Central - PubMed

ABSTRACT

Ultrasound is ideally suited for the assessment of complex anatomy and pathologies of the thumb. Focused and dynamic thumb ultrasound can provide a rapid real-time diagnosis and can be used for guided treatment in certain clinical situations. We present a simplified approach to scanning technique for thumb-related pathologies and illustrate a spectrum of common and uncommon pathologies encountered.

No MeSH data available.


Related in: MedlinePlus

Radial nerve compression neuropathy in a patient with inability to extend the thumb (A-D). Long axis ultrasound view (A) of the radial of nerve just proximal to the level of the elbow shows hour-glass configuration (white arrow) with proximal and distal nerve swelling (red arrows). magnetic resonance imaging shows narrowing of the radial nerve (white arrow) on an oblique three-dimensional STIR space sequence (B) with increased signal in the radial nerve (red arrow in C) on axial PD fat-sat image (C) and denervation edema within the extensor compartment muscles of the forearm (blue arrow in D) on axial STIR image (D)
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Figure 13: Radial nerve compression neuropathy in a patient with inability to extend the thumb (A-D). Long axis ultrasound view (A) of the radial of nerve just proximal to the level of the elbow shows hour-glass configuration (white arrow) with proximal and distal nerve swelling (red arrows). magnetic resonance imaging shows narrowing of the radial nerve (white arrow) on an oblique three-dimensional STIR space sequence (B) with increased signal in the radial nerve (red arrow in C) on axial PD fat-sat image (C) and denervation edema within the extensor compartment muscles of the forearm (blue arrow in D) on axial STIR image (D)

Mentions: Radial and Posterior interosseous nerve compression neuropathy [Figure 13] at the level of elbow and forearm can lead to weakness of EPL, EPB, and APL, with patients not being able to extend the thumb. Carpal tunnel syndrome and other pathologies of the median nerve at the level of the wrist, which can result in symptoms of the thumb, is a vast topic and are beyond the scope of this article.


Thumb ultrasound: Technique and pathologies
Radial nerve compression neuropathy in a patient with inability to extend the thumb (A-D). Long axis ultrasound view (A) of the radial of nerve just proximal to the level of the elbow shows hour-glass configuration (white arrow) with proximal and distal nerve swelling (red arrows). magnetic resonance imaging shows narrowing of the radial nerve (white arrow) on an oblique three-dimensional STIR space sequence (B) with increased signal in the radial nerve (red arrow in C) on axial PD fat-sat image (C) and denervation edema within the extensor compartment muscles of the forearm (blue arrow in D) on axial STIR image (D)
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC5036340&req=5

Figure 13: Radial nerve compression neuropathy in a patient with inability to extend the thumb (A-D). Long axis ultrasound view (A) of the radial of nerve just proximal to the level of the elbow shows hour-glass configuration (white arrow) with proximal and distal nerve swelling (red arrows). magnetic resonance imaging shows narrowing of the radial nerve (white arrow) on an oblique three-dimensional STIR space sequence (B) with increased signal in the radial nerve (red arrow in C) on axial PD fat-sat image (C) and denervation edema within the extensor compartment muscles of the forearm (blue arrow in D) on axial STIR image (D)
Mentions: Radial and Posterior interosseous nerve compression neuropathy [Figure 13] at the level of elbow and forearm can lead to weakness of EPL, EPB, and APL, with patients not being able to extend the thumb. Carpal tunnel syndrome and other pathologies of the median nerve at the level of the wrist, which can result in symptoms of the thumb, is a vast topic and are beyond the scope of this article.

View Article: PubMed Central - PubMed

ABSTRACT

Ultrasound is ideally suited for the assessment of complex anatomy and pathologies of the thumb. Focused and dynamic thumb ultrasound can provide a rapid real-time diagnosis and can be used for guided treatment in certain clinical situations. We present a simplified approach to scanning technique for thumb-related pathologies and illustrate a spectrum of common and uncommon pathologies encountered.

No MeSH data available.


Related in: MedlinePlus