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Bosniak Category 2 Renal Cortical Cyst

2015-01-14 08:23

Bosniak Category 2 Renal Cortical CystRenal cortical cyst is a common type of kidney cyst. What does it mean for people to have Bosniak category 2 renal cortical cyst?


The Bosniak classification system of renal cystic masses divides renal cystic masses into five categories on imaging characteristics on contrast-enhanced CT. It is helpful in predicting risk of malignancy and suggesting wither follow-up or treatment.

Bosniak category 2 renal cortical cyst is characterized by minimally complex, a few thin septa and thin calcification. Renal lesions are less than 3 cm and are generally well marginated. It is non-cancerous.


In general, when a kidney cyst is smaller than 3 cm, it won’t cause any symptoms. Yet, if it so, you may experience:

● Pain. There are some people complain they have back pain, flank pain or groin pain even they have small kidney cyst.

● Nausea. A renal cortical cyst will compress nearby organs, including stomach. When it is stimulated, patients feel nausea.

● Blood in urine. It is due to the burst of blood vessels on walls of kidney cyst.

In rare cases, people with renal cortical cyst have high blood pressure, headache, dizziness, and protein in urine, etc. If you have any discomforts, please email to for our suggestions.

Treatment for a renal cortical cyst

Different treatments suggested for different cases. You can get a general guidance here.

First of all, you should avoid salty and high-protein foods. Spicy foods, alcohol and smoking are also recommended to be avoided.

Secondly, take more fresh vegetable and fruits such as red bell peppers, cabbages, cranberry juice, lemon juice, etc.

Thirdly, you can take Chinese herbal tea. Dandelion root, nettle leaf, corn silks and uva ursi are good choices. The effective ingredients are diuretic and antibiotic. They can help kidneys discharge of fluid and protect kidneys by preventing urinary tract infections (UTIs).

If you are interested in traditional Chinese herbs, you can consult our doctors online directly or leave a message below.

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