Do you have to drink water for CT of hepatic hemangioma

Hepatic hemangioma CT examination does not need to drink water before, enhancement CT need to drink water after.
CT is a commonly used examination tool in the clinic, some CT examinations need to drink water, for example, bladder examination needs to drink water before, because it needs to be in the state of bladder filling, better observation of the bladder. And liver CT does not need to drink water in advance.
When doing enhanced CT, you need to inject contrast agent into the body, and the contrast agent has some damage to the body, you can drink a lot of water to promote excretion, and discharge the contrast agent as early as possible to reduce the damage to the body.
If further liver function tests are needed, drinking water should be avoided at this time. In case of hepatic hemangioma, relevant examinations should be completed in time to clarify the size of the hemangioma and choose the appropriate treatment.