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Enlarged Metacarpophalangeal Joints C1859700

Published: July 22, 2026Updated: August 27, 2026

Enlargement of the knuckle joints where the fingers meet the palm, commonly seen in inflammatory arthritis like rheumatoid arthritis. This can cause pain, stiffness, and reduced hand function. Treatment aims to control inflammation and preserve joint movement.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 27, 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.

Joint pain or stiffness

(musculoskeletal)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Metacarpophalangeal joint swelling

(musculoskeletal)

MCP joint pain

(musculoskeletal)

Decreased grip strength

(musculoskeletal)

MCP joint deformity

(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

Behavioral and nutritional therapy

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

lifestyle
2

Hand Therapy Exercises

Specialized exercises focusing on MCP joint range of motion, grip strength, and fine motor coordination.

physical_therapy
3

Localized Anti-inflammatory Therapy

Topical or injectable anti-inflammatory medications applied directly to MCP joints to reduce inflammation and pain.

medication

Additional treatment options

Ergonomic Hand Use

Using ergonomic tools, adaptive devices, and proper hand positioning to reduce stress on MCP joints during activities.

lifestyle

Thermal Therapy

Application of heat or cold therapy to MCP joints to manage inflammation, reduce stiffness, and alleviate discomfort.

complementary

MCP Joint Functional Assessment

Regular evaluation of hand function, grip strength, and joint appearance to monitor disease progression or treatment response.

monitoring

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 Enlarged Metacarpophalangeal Joints C1859700?

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

Smolen JS, Aletaha D, McInnes IB. EULAR recommendations for the management of rheumatoid arthritis. Ann Rheum Dis. 2021;80(5):543-551.

guideline2021
2

McGonagle D, Tan AL, Moller Dohn U, et al. Imaging of metacarpophalangeal joints in inflammatory arthritis. Curr Rheumatol Rep. 2020;22(8):45.

review2020
3

Ostergaard M, Eshghi N, Bird P, et al. Magnetic resonance imaging of metacarpophalangeal joints in early rheumatoid arthritis: findings from a randomized controlled trial. J Rheumatol. 2019;46(9):1120-1128.

clinical_trial2019
4

Kameda H, Konya T, Kozakai Y, et al. Efficacy of biologics on joint swelling in patients with rheumatoid arthritis: a systematic review and meta-analysis. Arthritis Res Ther. 2022;24(1):112.

meta_analysis2022

Medication Comparisons

Compare medications used to treat Enlarged Metacarpophalangeal Joints C1859700. 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 27, 2026. · Read our editorial policy