Kidney Cysts On Ultrasound. Tests and procedures used to diagnose simple kidney cysts include. A strong posterior wall echo indicating good transmission through the cyst and enhanced transmission beyond the cyst are characteristic.
Renal cystic lesions with postcontrast enhancement and or restricted diffusion are suggestive of neoplasms and should be viewed with suspicion. Cancer cysts can be a form of kidney cancer and these cysts do not look the same as normal cysts. A strong posterior wall echo indicating good transmission through the cyst and enhanced transmission beyond the cyst are characteristic.
These are the main causes of kidney cysts normal cysts may be found in normal kidneys up to 5 cysts per kidney.
On renal ultrasound simple cysts are typically round and sharply demarcated with smooth walls and without echoes within the cyst. Kidney cysts are commonly encountered in clinical practice overall prevalence has been estimated to be 10 7. In most cases a doctor finds them during an ultrasound or computerized tomography ct scan done for another reason. Ultrasound features of kidney cysts renal fellow network.