A: kidney cysts can be caused by Polycystic Kidney Disease or simple kidney cyst or complex kidney cyst. In most cases, the kidney cyst will not be a direct cause of kidney cancer. However, you may get the exact answer, after your doctor gets your detailed medical condition. You can send your condition to kidneyask@hotmail.com for a personal reply.
The physician needs to accurately distinguish simple renal cysts from complex renal cysts. Simple cysts are round and have one wall, much like a ping pong ball. They rarely require treatment. Complex cysts have walls within the outer wall or are a collection of small cysts. The latter can harbor cancerous masses.
Bosniak uses a complicated algorithm of CT scan characteristics such as size, density and perfusion to place cystic renal masses into one of five different categories. Bosniak categories I and II are generally simple cysts and do not require further evaluation. Some would repeat an ultrasound at six to 12 months to assure stability and a correct diagnosis.
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Many recommend that all Bosniak category III lesions undergo surgical removal and evaluation, as 40 percent to 50 percent will be cancer. With this approach, there is still a significant number of unnecessary surgeries. Some recommend close follow-up with magnetic resonance imaging to avoid this. Magnetic resonance imaging is especially useful for characterizing the inside of a cyst that is indeterminate after ultrasound and CT. Serial MRI examinations at three, six and 12 months are warranted in some patients.
As mentioned above, there is no proof to certify that kidney cysts can induce kidney cancer. But, you are suggested to have a talk with your doctor based on your own conditions.