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Patellar tendinosis (jumper's knee): findings at histopathologic examination, US, and MR imaging. Victorian Institute of Sport Tendon Study Group.
Abstract
PURPOSE: To determine the histopathologic findings of patellar tendinosis ("jumper's knee") demonstrated with ultrasonography (US) and magnetic resonance (MR) imaging. MATERIALS AND METHODS: Twenty-four athletes (28 knees) with jumper's knee (23 men, one women; mean age, 30.9 years) scheduled to undergo open tenotomy underwent US patellar tendon examination. Seventeen patients (19 knees) also underwent MR imaging. Tissue was obtained for histopathologic examination in all 28 cases. Eleven age-, height-, and weight-matched athletes (22 knees) without previous knee symptoms served as control subjects for the US examination. Control material for histopathologic examination was obtained in 20 cadavers (39 knees). Data were analyzed with standard statistical methods. RESULTS: MR imaging and US both revealed an abnormal zone at the proximal patellar tendon attachment. Histopathologic examination revealed mucoid degeneration in all tendons in patients and in 8% (three of 39) of tendons in cadavers (P < .01). CONCLUSION: Jumper's knee is characterized by consistent changes at MR imaging, US, and histopathologic examination and is appropriately described as patellar tendinosis.
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Cited by
Malliaras, P., Barton, C. J., Reeves, N. D., & Langberg, H. (2013) · Sports Medicine · doi:10.1007/s40279-013-0019-z · Cited by 403
Fredberg, U., & Bolvig, L. (2002) · The American Journal of Sports Medicine · doi:10.1177/03635465020300040701 · Cited by 253
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Warden, S. J. (2010) · The Physician and Sportsmedicine · doi:10.3810/psm.2010.04.1770 · Cited by 144
Metadata
- Authors
- Khan, K. M., Bonar, F., Desmond, P. M., Cook, J. L., Young, D. A., Visentini, P. J., Fehrmann, M. W., Kiss, Z. S., O'Brien, P. A., Harcourt, P. R., Dowling, R. J., O'Sullivan, R. M., Crichton, K. J., Tress, B. M., & Wark, J. D.
- Venue
- Radiology
- Published
- 1996-09
- Volume
- 200
- Issue
- 3
- Pages
- 821-827
- ISSN
- 0033-8419 (ISSN-L)
- 1527-1315
- OpenAlex
- W2080338162
- Cited by
- 414
- References
- 0
- FWCI
- 6.90
- Type
- journal article
- Language
- en
- Open access
- closed
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- The paper
- Khan, K. M., Bonar, F., Desmond, P. M., Cook, J. L., Young, D. A., Visentini, P. J., Fehrmann, M. W., Kiss, Z. S., O'Brien, P. A., Harcourt, P. R., Dowling, R. J., O'Sullivan, R. M., Crichton, K. J., Tress, B. M., & Wark, J. D. (1996). Patellar tendinosis (jumper's knee): findings at histopathologic examination, US, and MR imaging. Victorian Institute of Sport Tendon Study Group. Radiology. https://doi.org/10.1148/radiology.200.3.8756939
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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