Renal Hemangiomas: Growth, Treatment, and Specialist Guidance

Renal angioma

1.
In October 2019, during my health check-up, an ultrasound examination revealed a 1 cm benign hemangioma on my kidney.
In October of this year, another ultrasound indicated that the benign hemangioma has grown to 1.3 cm.
Is this growth considered rapid?
2.
Is surgery necessary to remove it? Is it better to remove it sooner or wait until it grows larger? Are there any associated risks?
3.
After surgical removal, is there a possibility that it will grow back?
4.
Which medical specialty should I consult for this issue?

Mei, 30~39 year old female. Ask Date: 2020/10/22

Dr. Hu Ziren reply Oncology

1.
Are you referring to renal hemangioma or renal angiomyolipomas? If it is renal hemangioma, it is quite rare, and renal angiography is required for diagnosis.
2.
Unless there is significant hematuria or symptoms (such as compression of other organs or tissues), benign tumors typically do not require surgery.
3.
You may consult a urologist.

Reply Date: 2020/10/22

More Info

Renal hemangiomas, while relatively rare, are benign vascular tumors of the kidney. Understanding their growth patterns, treatment options, and the appropriate specialists to consult is crucial for effective management. Based on your ultrasound findings, where a renal hemangioma was noted to have grown from 1 cm to 1.3 cm over a year, I will address your questions in detail.

1. Growth Rate: The growth rate of renal hemangiomas can vary significantly. In your case, the increase from 1 cm to 1.3 cm over a year suggests a slow growth pattern, which is typical for benign tumors. Generally, renal hemangiomas do not exhibit rapid growth like malignant tumors. However, it is essential to monitor any changes in size or symptoms, as individual cases can differ.

2. Surgical Intervention: Surgical removal of a renal hemangioma is typically not necessary unless there are significant symptoms, such as hematuria (blood in urine), pain, or if the mass is causing obstruction or pressure on surrounding organs. In most cases, benign tumors like hemangiomas can be managed conservatively with regular monitoring through imaging studies. The decision to operate should be based on the tumor's behavior and any associated symptoms rather than solely on size. If surgery is considered, it is essential to discuss the potential risks, which can include bleeding, infection, and damage to surrounding kidney tissue.

3. Recurrence After Surgery: If a renal hemangioma is surgically removed, the likelihood of recurrence is generally low. However, it is important to note that new hemangiomas can develop in other areas of the kidney. Regular follow-up with imaging can help detect any new growths early.

4. Specialist Consultation: For the management of renal hemangiomas, you should consult a urologist, particularly one who specializes in renal tumors. Urologists are trained to evaluate and manage kidney-related conditions and can provide guidance on whether surgical intervention is necessary or if conservative management is appropriate. They can also coordinate care with other specialists if needed, such as radiologists for imaging follow-ups.

In summary, while your renal hemangioma has shown some growth, it is essential to approach this condition with careful monitoring rather than immediate surgical intervention. Regular follow-ups with a urologist will ensure that any changes in the tumor's behavior are addressed promptly. Maintaining a healthy lifestyle, managing any underlying conditions, and adhering to follow-up appointments will contribute to your overall kidney health. If you experience any new symptoms, such as pain or changes in urination, it is crucial to seek medical attention promptly.

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