Finger flexor pulley injury

Case contributed by Dr Salem Bauones

Presentation

Post traumatic right 3rd finger pain with 'pop' feeling.

Patient Data

Age: 35
Gender: Male
Ultrasound

Abnormally thickened and hypoechoic 4th annular flexor pulley (A4) on the US transverse image.

US longitudinal images depict increased distance between the flexor tendons and the diaphysis of the middle phalanx of the right 3rd finger compared to its homologue of left 3rd finger. 

CT

Sagittal CT images show the increased distance between the flexor tendons and the diaphysis of the middle phalanx of the right 3rd finger compared to its homologue of left 3rd finger. 

Case Discussion

Findings are consistent with finger flexor annular pulley (A4) tear.

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Case information

rID: 25560
Case created: 29th Oct 2013
Last edited: 30th May 2016
Inclusion in quiz mode: Included

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