A lumbar puncture is a procedure performed on the lower back in which a needle is inserted into the spinal column in order to extract cerebrospinal fluid, explains Johns Hopkins Medicine. Medication and dyes for diagnost... More »

www.reference.com Health Diagnostics & Imaging

The success rate of spinal tap procedures, or lumbar punctures, is very high, and the procedure is generally considered safe. However, up to 25 percent of patients experience some mild complications, states Mayo Clinic. ... More »

www.reference.com Health Conditions & Diseases

When spinal fluid leaks out, there is a drop in the pressure around the areas of the spinal cord and brain according to MedlinePlus. Fluid leakage can also cause symptoms, such as fluid drainage from the ears. Spinal flu... More »

The main difference between a CT scan and a myelogram is that a CT scan is non-invasive, while a myelogram involves the insertion of a needle into the spinal canal, as explained by Johns Hopkins Medicine. In some cases, ... More »

Lumbar procedures that sometimes require fluoroscopy are a lumbar puncture and vertebroplasty, according to Johns Hopkins Medicine. Doctors use a lumbar puncture, also known as the spinal tap, to withdraw cerebrospinal f... More »

www.reference.com Health Diagnostics & Imaging

During a percutaneous liver biopsy, the most common liver biopsy technique, the doctor injects a local anesthetic that may cause a brief stinging sensation, as stated by Johns Hopkins Medicine. Patients may also feel a s... More »

www.reference.com Health Diagnostics & Imaging

The procedure for removing fluid from the lung is thoracentesis, according to Johns Hopkins Medicine. During the procedure, a medical professional inserts a needle through the back chest wall into the space between the l... More »