A physical therapist is mentoring a student physical therapist during an outpatient orthopedic clinical rotation. The therapist plans to administer therapeutic ultrasound using the following parameters:

* 3 MHz frequency
* 20% pulsed duty cycle
* 0.5 W/cm² intensity
* 6-minute treatment duration

Which of the following patients should NOT receive this treatment?

A) A 14-year-old basketball player with Osgood-Schlatter disease over an open tibial epiphyseal plate

B) A 72-year-old patient status post cemented total knee arthroplasty 8 months ago

C) A 68-year-old male with benign prostatic hyperplasia receiving treatment to the lumbar paraspinals

D) A 59-year-old patient with diabetic neuropathy and absent protective sensation over the treatment region

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