Abstract
Prognostication of quadriceps contusion is based on the patient’s active knee flexion after the injury. Unlike ultrasonography, clinical grading does not define the extent of soft tissue injury and may provide inaccurate time for return to play. The purposes of this report are to describe the ultrasound findings of the different clinical grading of quadriceps contusion and document the return to play of each case. Seven patients were evaluated in this series. Results showed discrepancies in the disability time between clinical grading and ultrasound findings. Clinical grading did not consistently estimate the return to play as described in previously published literature. Contusions with hyperechoic lesions had earlier return to play compared to patients with hypoechoic findings. Contusions with hypoechoic lesions might require aggressive monitoring and therapy to decrease disability time and avoid complications such as myositis ossificans.
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All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later versions. Informed consent was obtained from all patients being included in the study.
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Rolando Junior Torres, Yuki Kato and Shin Yamada declare no conflict of interest. Soichi Hattori receives honorarium and non-financial support from Konica Minolta and Sygmax while Hiroshi Ohuchi receives honorarium and non-financial support from GE.
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Torres, R.J.L., Hattori, S., Kato, Y. et al. Ultrasonography and return to play of the different clinical grading of quadriceps contusions: a case series. J Med Ultrasonics 45, 375–380 (2018). https://doi.org/10.1007/s10396-017-0833-2
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DOI: https://doi.org/10.1007/s10396-017-0833-2