Hoksrud et al classified changes seen on ultrasound of jumper's knee. The authors are from the Norwegian School of Sport Science (Oslo) and the University of Umea (Sweden).
Patient selection: jumper's knee
Examination: Doppler ultrasonography
Changes seen on ultrasound:
(1) regular and smooth fiber structure
(2) localized widening with hypoechoic areas and/or irregular structures
(3) neovascular areas with increased vascular flow
Hypoechoic Areas and Structural Irregularities
Neovascularities and Increased Blood Flow
Category
none
none
1 (normal)
present
absent
2 (abnormal)
present
present
3 (abnormal)
Neovascularization can also be classified by blood flow.
Blood Vessels and Flow
Neovascularization
none
0
1 or 2 (low blood flow)
1
some
2
many (strong blood flow)
3
Administration of sclerosing therapy reduced pain but did not cause resolution of the changes seen on ultrasound.
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