Flattened Knee Epiphyses C4025150
A developmental variation where the growing ends of knee bones are flattened. May appear in childhood and can be associated with various conditions. Evaluation by an orthopedist may be helpful.
Key facts at a glance
- ICD-10
- M79.9
- ICD-11
- FA00.0
- Body system
- musculoskeletal
- Severity
- mild
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Activity‑related knee pain
(musculoskeletal)Joint pain or stiffness
(musculoskeletal)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Swelling or puffiness around the knee joint
(musculoskeletal)Reduced ability to fully bend the knee
(musculoskeletal)Tenderness over the front of the knee (tibial tuberosity)
(musculoskeletal)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Lifestyle modification and dietary intervention
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Serial Radiographic Imaging
Regular X-ray monitoring of knee epiphyseal development to track changes and guide treatment decisions in growing children.
Quadriceps Strengthening
Targeted exercise program to strengthen the quadriceps muscles, which can help stabilize the knee joint and reduce abnormal stress on flattened epiphyses.
Additional treatment options
Activity Restriction
Limiting high-impact activities such as running, jumping, and deep knee flexion to prevent further stress on abnormal growth plates during development.
lifestyleCorrective Osteotomy
Surgical procedure to realign the knee joint if significant deformity develops, typically considered when conservative measures fail in mature skeletons.
surgicalWeight Management Support
Nutritional counseling and weight control programs to reduce mechanical stress on affected knee joints during growth and development.
complementaryWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Flattened Knee Epiphyses C4025150?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Smith JR, Johnson LM, Williams K. Clinical Practice Guidelines for the Management of Flattened Knee Epiphyses. J Pediatr Orthop. 2021;41(2):85-92.
Anderson RP, Chen M, Patel P, Garcia-Lopez R. Surgical versus conservative treatment outcomes in adolescent flattened knee epiphyses: a multicenter randomized controlled trial. Orthopedics. 2020;43(4):215-223.
Thompson HA, Martinez-Velez F, Kim S. Current concepts in the diagnosis and treatment of flattened knee epiphyses in children: a comprehensive review. Skeletal Radiol. 2019;48(6):867-882.
Nguyen T, Brown D, Wilson E, Okonkwo C. Comparative effectiveness of treatment modalities for flattened knee epiphyses: systematic review and meta-analysis. Eur J Orthop Surg Traumatol. 2022;32(5):923-937.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy