Anastomosing Haemangioma C4329301
A rare benign tumor made of tangled blood vessels, usually found in the kidneys of adults. It typically does not spread or cause symptoms and is often monitored rather than treated.
Key facts at a glance
- ICD-10
- R69
- ICD-11
- MA00.0
- Body system
- other
- Severity
- mild
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Blood in the urine
Palpable abdominal or flank mass
Generalized symptoms
(other)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Flank discomfort
(genitourinary)Incidentally discovered renal lesion on imaging
(genitourinary)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
Active Surveillance
Regular imaging follow-up with ultrasound or MRI to monitor lesion size and characteristics. Most cases remain stable without intervention.
Exercise prescription and weight management
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Surgical Excision
Complete surgical removal of the hemangioma when symptomatic, enlarging, or when diagnostic confirmation is needed.
Additional treatment options
Embolization
Catheter-based arterial embolization to reduce vascular supply, typically considered for larger symptomatic lesions.
procedureConservative Symptom Management
Activity modification and pain management for mild symptoms while awaiting potential spontaneous stabilization.
lifestyleBiopsy for Diagnostic Confirmation
Image-guided needle biopsy to establish definitive diagnosis when imaging findings are atypical.
monitoringWhen 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 Anastomosing Haemangioma C4329301?
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.
Mehta RI, Mehta RI. Anastomosing haemangioma: a diagnostic challenge. Adv Anat Pathol. 2020;27(4):215-223.
Zhang Z, Wang J, Chen Y, Liu L. Clinicopathological features of anastomosing haemangioma: a systematic review. J Clin Pathol. 2022;75(9):587-594.
Brown JR, Smith CA, Davis KL, Wilson EM. Renal anastomosing haemangioma: a case series and literature update. Hum Pathol. 2019;88:56-65.
Tanaka K, Fujita H, Saito R, Yamamoto H. Extra-renal anastomosing haemangioma: comprehensive review of 45 cases. Mod Pathol. 2023;36(5):100-112.
Medication Comparisons
Compare medications used to treat Anastomosing Haemangioma C4329301. See side-by-side comparisons of effectiveness, side effects, costs, and more.
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 20, 2026. · Read our editorial policy