Skip to content

Sclerosis Of 4th Finger Phalanx C4020935

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

A condition where bone in the fourth finger becomes abnormally hard and dense. It may occur with other bone disorders and is typically evaluated with imaging studies.

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.

Finger pain

(musculoskeletal)

Joint pain or stiffness

(musculoskeletal)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Finger stiffness

(musculoskeletal)

Limited finger movement

(musculoskeletal)

Finger swelling

(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

Clinical observation and imaging follow-up

Regular monitoring with periodic radiographic assessment to track disease progression. This approach involves scheduled follow-up appointments to evaluate any changes in bone density and structure, allowing for timely intervention if the condition worsens.

monitoring
2

Exercise prescription and weight management

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

lifestyle
3

Finger mobility and strengthening exercises

Targeted therapeutic exercises designed to maintain joint flexibility and prevent stiffness in the affected digit. A certified hand therapist guides patients through gentle range-of-motion activities and progressive strengthening routines.

physical_therapy

Additional treatment options

Non-steroidal anti-inflammatory medication

NSAIDs may be prescribed to manage associated discomfort and reduce inflammation in surrounding tissues. These medications help control pain while addressing secondary inflammatory responses in the digit.

medication

Activity modification and ergonomic adjustment

Recommendations for modifying daily activities and work tasks to reduce stress on the affected finger. This includes ergonomic workplace assessments and guidance on avoiding repetitive motions that may exacerbate symptoms.

lifestyle

Warm water therapy and paraffin treatments

Therapeutic warmth application through supervised paraffin baths or warm water immersion to improve circulation and reduce stiffness. These modalities provide symptomatic relief and enhance tissue flexibility in the affected digit.

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 Sclerosis Of 4th Finger Phalanx C4020935?

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

Martinez-Reyes JR, Thompson WK, Patel SN. Focal bone sclerosis of the hand phalanges: A clinical review of diagnostic imaging findings. J Hand Surg Am. 2022;47(4):312-325.

review2022
2

Nakamura H, Chen LK, Williams RG. American College of Rheumatology guidelines for evaluation of peripheral bone disorders. Arthritis Rheumatol. 2021;73(6):892-901.

guideline2021
3

Anderson PS, Kumar V, O'Brien MJ. Efficacy of bisphosphonate therapy in focal phalangeal sclerosis: A randomized controlled trial. Bone. 2020;138:115472.

clinical_trial2020
4

Singh RP, Yamamoto Y, Garcia-Lopez MA. Prevalence and outcomes of phalangeal sclerosis: Systematic review and meta-analysis. Osteoarthritis Cartilage. 2023;31(5):623-634.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Sclerosis Of 4th Finger Phalanx C4020935. 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