A 17-year-old Male Athlete With A Locked Knee

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A 17-year-old Male Athlete With A Locked Knee - Page #1

Author: Manthan Mirani, MD Co Author #1: Jonathan Lawless MD Co Author #2: Zankhan Mirani MD Senior Editor: Heather Rainey, MD Editor: Jennifer Maynard, MD Patient Presentation: 17 yo male with knee pain and locking. History: A 17-year-old male basketball player with no significant past medical history presented to the outpatient sports medicine clinic with his parents for left knee pain. Referred by his primary care physician, he reported experiencing intermittent left lateral knee pain and locking for the past 6 months.The pain, described as a 6/10 aching sensation, was located near an area of swelling at the lateral femoral condyle. He had this pain for a year and found it difficult to stand for extended periods. In addition to the pain, his knee also locked, which was more bothersome, and occurred every time he walked or played basketball. These symptoms improved within 10-15 minutes with a change in position. He denied any prior injury, trauma, or use of pain medication. Notably, he had been able to participate in sports without incident. Physical Exam: Ht:5'10, wt:. 141lbs. BMI 20.2 (35%) Gait: normal. Limb alignment: neutral. Hips: symmetric painless ROM. Bilateral knees: skin intact, effusion: none, tenderness: none, patella mobility: 2 quadrants medial and 2 quadrants lateral without pain, patella tracking midline. ROM: 0 degrees of hyperextension to 140 degrees of flexion, stability intact in all planes, MCL and LCL stable. Negative anterior and posterior drawer test. Strength 5/5 quadriceps, neurovascular intact, left knee: Left lateral femoral condyle soft tissue mass that moved under patella with knee extension. Click here to continue. Challenge yourself by writing down a broad differential diagnosis before moving to the next slide.		Back
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