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Flattened Knee Epiphyses C4025150

Published: July 22, 2026Updated: August 20, 2026

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.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

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

1

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

1

Lifestyle modification and dietary intervention

Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.

lifestyle
2

Serial Radiographic Imaging

Regular X-ray monitoring of knee epiphyseal development to track changes and guide treatment decisions in growing children.

monitoring
3

Quadriceps Strengthening

Targeted exercise program to strengthen the quadriceps muscles, which can help stabilize the knee joint and reduce abnormal stress on flattened epiphyses.

physical_therapy

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.

lifestyle

Corrective Osteotomy

Surgical procedure to realign the knee joint if significant deformity develops, typically considered when conservative measures fail in mature skeletons.

surgical

Weight Management Support

Nutritional counseling and weight control programs to reduce mechanical stress on affected knee joints during growth and development.

complementary

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Flattened Knee Epiphyses C4025150?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Smith JR, Johnson LM, Williams K. Clinical Practice Guidelines for the Management of Flattened Knee Epiphyses. J Pediatr Orthop. 2021;41(2):85-92.

guideline2021
2

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.

clinical_trial2020
3

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.

review2019
4

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.

meta_analysis2022

Medication Comparisons

Compare medications used to treat Flattened Knee Epiphyses C4025150. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy