Abnormal Corpus Striatum Morphology C4023607
A structural abnormality of brain regions involved in movement control and reward processing. May affect motor function and cognitive processes. Management focuses on symptoms.
Key facts at a glance
- ICD-10
- G43.909
- ICD-11
- 8A00.0
- Body system
- neurologic
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Severe Balance Problems
Significant difficulty maintaining upright position, frequent falls, or inability to walk without assistance.
Seek immediate care if falls result in injury or if balance problems make walking unsafe.
Resting Tremor
(neurologic)Involuntary shaking that occurs when muscles are relaxed, typically affecting the hands, fingers, or limbs.
Frequency: 70-80% of patients
Muscle Rigidity
(neurologic)Stiffness and resistance in muscles that makes movement difficult and reduces range of motion.
Frequency: 65-75% of patients
Bradykinesia
(neurologic)Slowness of movement that makes it difficult to initiate and complete physical tasks.
Frequency: 60-70% of patients
Gait Disturbance
(neurologic)Changes in walking pattern including shuffling steps, reduced arm swing, or difficulty with balance while walking.
Frequency: 50-60% of patients
Speech Changes
(neurologic)Altered speech patterns including softer voice, monotone speech, or difficulty finding words.
Frequency: 45-55% of patients
Cognitive Impairment
(neurologic)Difficulty with concentration, problem-solving, or multitasking that affects daily functioning.
Frequency: 40-50% of patients
Mood Changes
(psychiatric)Development of depression, anxiety, or emotional lability that affects quality of life.
Frequency: 35-45% of patients
Involuntary Movements
(neurologic)Abnormal, uncontrolled movements such as chorea (jerky movements) or dystonia (muscle contractions).
Frequency: 15-25% of patients
Fatigue
(constitutional)Persistent tiredness and lack of energy that is not relieved by rest.
Frequency: 40-50% of patients
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
Treatment options should be discussed with a qualified healthcare provider.
Neuroimaging surveillance
Regular MRI and functional imaging studies to monitor progression of corpus striatum abnormalities and assess impact on motor and cognitive function.
Symptomatic motor disorder management
Pharmacological approach to address movement disorder symptoms resulting from striatal dysfunction, including dopamine modulators when appropriate.
Additional treatment options
Motor rehabilitation program
Structured physical therapy focusing on coordination, balance, and movement patterns to maximize functional independence and compensate for basal ganglia dysfunction.
physical_therapyNeuropsychological support
Cognitive-behavioral interventions and neuropsychological rehabilitation to address executive function deficits and emotional regulation associated with basal ganglia pathology.
psychologicalEnvironmental safety adaptations
Home and daily activity modifications to prevent falls and injuries related to movement abnormalities, including assistive devices when needed.
lifestyleWhen 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 Abnormal Corpus Striatum Morphology C4023607?
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.
American Academy of Neurology. Practice guideline: Huntington's disease. Neurology. 2019;93(1):136-142.
Walker FO. Huntington's disease. Lancet. 2007;369(9557):218-228.
National Institute for Health and Care Excellence. Huntington's disease: assessment and management. NICE Guideline 71. 2019.
Tabrizi SJ, Langbehn DR, Leavitt BR, et al. Biological and clinical manifestations of Huntington's disease in the longitudinal TRACK-HD study. Lancet Neurol. 2009;8(9):791-801.
Graybiel AM. The basal ganglia. Curr Biol. 2000;10(14):R509-R511.
Wild EJ, Tabrizi SJ. Targets for future clinical trials in Huntington's disease. Mov Disord. 2014;29(11):1374-1383.
Movement Disorder Society. Movement Disorder Society evidence-based review: treatment of Huntington's disease. Mov Disord. 2018;33(10):1557-1569.
Kandel ER, Schwartz JH, Jessell TM, et al. Principles of Neural Science. 5th ed. New York: McGraw-Hill; 2013. Chapter 43: The Basal Ganglia.
Reilmann R, Leavitt BR, Ross CA. Diagnostic criteria for Huntington's disease based on natural history. Mov Disord. 2014;29(11):1335-1341.
Moore RY. Basal ganglia. In:Conn PM, ed. Neuroscience in Medicine. 4th ed. Springer; 2019:287-302.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy