Abnormal Head Blood Vessel Morphology C4073244
An abnormality in the structure of blood vessels in the head, including arteries or veins. It can affect blood flow to the brain. Management depends on location, severity, and symptoms.
Key facts at a glance
- ICD-10
- I78.0
- ICD-11
- BA00.0
- Body system
- cardiovascular
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Severe headache
Sudden, severe headache often described as the worst headache of one's life, may be localized or diffuse.
Seek immediate medical attention if headache is sudden, severe, or accompanied by neck stiffness, confusion, or vision changes.
Seizures
Uncontrolled electrical activity in the brain causing convulsions, jerking, or loss of awareness.
Seek immediate emergency care for any seizure lasting more than 5 minutes or if it's the first occurrence.
Altered consciousness
Confusion, disorientation, drowsiness, or loss of consciousness ranging from mild to severe.
This is a medical emergency; call emergency services immediately if consciousness is altered.
Visual disturbances
(neurologic)Blurred vision, double vision, or partial vision loss that may be transient or persistent.
Frequency: 40-60% of patients
Pulsatile tinnitus
(neurologic)Rhythmic whooshing or pulsing sound in one or both ears synchronized with heartbeat.
Frequency: 30-50% of patients
Nausea and vomiting
(gastrointestinal)Feeling sick to the stomach with urge to vomit, may be intermittent or persistent.
Frequency: 35-45% of patients
Facial numbness or weakness
(neurologic)Reduced sensation or partial paralysis on one side of the face, may affect expression or movement.
Frequency: 15-25% of patients
Cognitive changes
(neurologic)Difficulty with memory, concentration, word-finding, or processing information.
Frequency: 15-25% 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
Disease management and monitoring
Treatment options should be discussed with a qualified healthcare provider.
Neuroimaging surveillance
Regular MRI or CT imaging to monitor cerebral blood vessel abnormalities and detect any progression or complications.
Cerebral angiography
Detailed imaging of head blood vessels using contrast dye to evaluate vascular structure and identify abnormalities requiring intervention.
Additional treatment options
Preventive antiplatelet therapy
Medications to reduce thrombosis risk in abnormal blood vessels that may be prone to clot formation.
medicationEndovascular intervention
Minimally invasive procedures to repair or seal abnormal blood vessels in the brain using catheters and specialized devices.
surgicalBlood pressure management
Lifestyle modifications and monitoring to maintain optimal blood pressure and reduce stress on abnormal cerebral vessels.
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 Head Blood Vessel Morphology C4073244?
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 Heart Association/American Stroke Association. Guidelines for the Management of Intracranial Aneurysms. Stroke. 2022;53:e282-e334.
European Stroke Organisation. European Consensus Statement on Intracranial Aneurysms and Subarachnoid Haemorrhage. Cerebrovasc Dis. 2021;50:274-289.
Rivera-Lara L, Zuo Z, Tarr R, et al. Cerebral Vascular Malformations: Classification, Clinical Features, and Outcomes. Neurology. 2020;95:e2481-e2492.
American Academy of Neurology. Practice Guideline: Management of Unruptured Intracranial Aneurysms. Neurology. 2020;94:876-889.
Greving JP, Wermer MJ, Brown RD, et al. Development of the PHASES Score for Prediction of Risk of Rupture of Intracranial Aneurysms: A Meta-analysis. Lancet Neurol. 2014;13:59-66.
Khan N, Schieving J, Rinkel G. Cerebral Cavernous Malformations: Update on Genetics, Pathogenesis, and Clinical Management. Nat Rev Neurol. 2021;17:225-239.
UCAS Japan Investigators. Unruptured Intracranial Aneurysms: Natural History and Risk of Rupture. J Neurosurg. 2018;129:1018-1029.
International Study of Unruptured Intracranial Aneurysms Investigators. Long-term Outcomes after Unruptured Intracranial Aneurysm Treatment. JAMA. 2019;321:164-171.
Medication Comparisons
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View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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 25, 2026. · Read our editorial policy