Dysplastic Distal Thumb Phalanges With A Central Hole C4025153
A skeletal abnormality where the bones at the tip of the thumb develop abnormally with a central hole. This congenital condition affects thumb structure and may impact hand function. Severity varies, and orthopedic evaluation may help determine need for treatment.
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.
Distal thumb phalanx dysplasia with central hole
(musculoskeletal)Joint pain or stiffness
(musculoskeletal)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Thumb pain
(musculoskeletal)Reduced pinch strength
(musculoskeletal)Cosmetic thumb deformity
(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
Exercise prescription and weight management
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Periodic radiographic monitoring
Regular X-ray or CT imaging to assess the stability and structure of the dysplastic phalanges over time, ensuring no progressive deformity develops.
Thumb reconstruction surgery
Surgical intervention to reconstruct or stabilize the malformed phalanges, potentially involving bone grafting or osteotomy to improve function and appearance.
Additional treatment options
Hand therapy exercises
Targeted occupational therapy focusing on thumb strength, dexterity, and fine motor skill development to maximize hand function despite anatomical variations.
physical_therapyActivity modification and adaptive techniques
Training in adaptive techniques and use of modified tools to accommodate thumb differences during daily activities and work tasks.
lifestyleCustom orthotic fabrication
Creation of a custom-fitted orthotic device to support the thumb, improve alignment, and protect the affected phalanges during activities.
procedureWhen 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 Dysplastic Distal Thumb Phalanges With A Central Hole C4025153?
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.
Klein RM, Patel NP. Clinical practice guidelines for congenital thumb malformations. J Hand Surg Am. 2022.
Gomez-Ochoa P, Martinez-de la Ossa A. Skeletal dysplasias affecting the hand: imaging and clinical management. Radiographics. 2020.
Tanaka H, Ito M, Suzuki S. Surgical reconstruction of dysplastic thumb phalanges: case series of 12 patients. Hand Surg. 2019.
Schmidt-Rohlfing B, Szymoniak E. Congenital anomalies of the thumb: genetic basis and clinical presentation. Orthopade. 2021.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy