CT THORASIC SPINE

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CT THORASIC SPINE Image

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60 mins collection

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About The Test

CT thoracic spine scans are non-invasive imaging tests that take advantage of x-rays and computer technology to provide detailed, cross-sectional views of the thoracic spine. This is often used to diagnose and keep track of various conditions affecting the thoracic spine like herniated discs, spinal fractures, and spinal tumors.  

What is a CT Thoracic Spine Scan?  

A CT thoracic spine scan is the procedure done to the patient where x-rays and computer technology are applied to acquire detailed images of the thoracic region of the spine. The patient lies on a table, which is then slid into a big round machine that looks like a doughnut. The machine rotates around the patient, taking x-ray pictures from different angles. All the captured images are later constructed into detailed x-rays of the thoracic spine. 

Types of CT Thoracic Spine Scans 

Different kinds of scans can be performed on the thoracic spine, including: 

  • Non-Contrast CT scan: Best used when checking for fractures or bone-related problems. This scan does not require a contrast dye. 
  • CT Myelogram: Contrast dye is used on this test in order to more accurately show the spinal cord and the nerve roots, this is also known as a CT myelogram.  
  • Contrast CT scan: The use of soft tissue structures like discs and nerves require the use of contrast dye therefore this test falls under the category of contrast CT scan. 

List of Parameters

List of Parameters Considered During CT Thoracic Spine Scan

For the scan, the following parameters is regarded:  

  • Bone density as well as the valuable structure is noted.  
  • The condition and height of the disc is also observed.  
  • The spinal canal condition is also noted along with the width.  
  • Condition of the nerve root alongside the spinal cord.  
  • Soft tissue structures such muscles and ligaments. 

Why This Test

Reasons For Taking CT Thoracic Spine Scan

CT thoracic spine scans may be necessary due to the following:  

  • Bulging disks  
  • Fractures of the spine  
  • Tumours in the spine  
  • degenerative disk disease 
  • Spinal stenosis  
  • Spondylolisthesis 

When and Who Needs to Take a CT Thoracic Spine Scan? 

It may sometimes be indicated as part of the workup for patients suffering from: 

  • Upper or middle back pain with associated numbness 
  • Weakness or paralysis in the limbs either in the upper or lower quadrant. 
  • Gait imbalance or controlled walking difficulties 
  • Any recent trauma or surgical intervention involving the thorax 
  • Suspected infections or neoplasm(s) involving the spinal column 
  • Disc herniations, disc degeneration, or spondylitis changes with canal or foraminal stenosis. 

It is most often indicated for adults and paediatric populations with suspected thoracic spine pathology. 

Benefits

Benefits of Taking the Test

CT thoracic spine scans are easy and have advantages such as:  

  • Less Invasive thus making it virtually pain-free.  
  • Clear images of the spine are obtained.  
  • Varieties of illness can be identified and also closely monitored.  
  • Care and treatment of ailments related to the spine becomes easier. 

Illnesses Diagnosed with CT Thoracic Spine Scan

Several conditions are diagnosed using CT thoracic spans. These include:  

  • Bulging disks.  
  • Fractures of the spine.  
  • Tumours in the spine  
  • Diseases related to disks.  
  • Stenosis of the spine.  
  • Spondylolisthesis. 

Preparing for test

Preparing for a CT Thoracic Spine Scan

Patients are required to: 

  • Take off all jewellery and any clothing that has a metal fastener.  
  • Put on a hospital gown or other loose-fitting clothing.  
  • Refrain from eating and drinking a few hours prior to the test.  
  • Notify their doctor or the technician of any allergies, other medical conditions, or medications being taken. 

Pre-requisites 

No specific pre-requisites CT thoracic spine scans, however, patients might be needed to:  

  • Not eat for several hours before the test.  
  • Refrain from taking specific drugs or substances. 

Best Time to Take the CT Thoracic Spine Scan 

CT thoracic spine scans can be done at any time. However, they are scheduled at times when patients are most comfortable and able to stay still for the duration of the test.  

Eligibility 

CT thoracic spine scans are often advised for adults and children who are likely to have a thoracic spine problem. On the other hand, some patients with other medical conditions like kidney disease or pregnancy may need to undergo different tests. 

Procedure for Taking a CT Thoracic Spine Scan 

In general, a thoracic spine CT scan follows these actions: 

  1. Preparation: After removing metal objects, the patient will lie supine on the CT table. 
  2. Scan: The patient is positioned on a table which is automated, meaning it will move into/from the scanner automatically. 
  3. Usage of Contrast Dye: A contrast medium may be given intravenously to enhance the differentiation of some soft tissue components. 
  4. Completion of Scan: The scan is carried out, after which the patient is taken out of the machine. 
  5. Results: A series of images are taken, and these images will be processed through reconstruction software and subsequently interpreted by the radiologist. 

Caution Before Taking the Test 

Inform patients to bring it to the attention of their doctor or the technician for any of the following issues: 

  • Allergies or other health issues 
  • Any form of drug or substance they might be using. 
  • Pregnancy or the possibility of being pregnant. 
  • Anxiety disorders including but not limited to claustrophobic tendencies. 

Test Results

Results and Interpretations

Condition/Findings Description Interpretation
Normal Spine Normal spine with no evidence of disease or injury
No evidence of fracture or dislocation Spine bones are intact with no misalignment Normal
Normal disc height and condition Intervertebral discs are of normal thickness Normal
Normal spinal canal width and condition No narrowing or abnormalities in the spinal canal Normal
Herniated Disc Herniated disc with potential for nerve root compression
Disc bulge or protrusion Intervertebral disc extends beyond normal boundaries Abnormal
Compression of adjacent nerve roots Herniated disc pressing on nearby nerves May cause pain, weakness, or numbness
Spinal Fracture Spinal fracture with potential for spinal cord injury
Vertebral body fracture or dislocation Break or displacement of spinal vertebrae Serious condition, may require urgent care
Vertebral body fracture or dislocation Break or displacement of spinal vertebrae Serious condition, may require urgent care
Loss of spinal canal width and condition Narrowing due to fracture displacement May increase risk of nerve or spinal cord damage
Spinal Tumour Spinal tumour with potential for nerve root compression
Mass or lesion in the spinal canal Abnormal growth affecting spinal structures May cause pain, neurological deficits
Compression of adjacent nerve roots Tumour pressing on nerves May lead to weakness, numbness, or paralysis

FAQs

What is a CT thoracic spine scan?

A CT thoracic spine scan is a cross-sectional imaging procedure that creates detailed pictures of the thoracic spine using X-rays and computer technology, with minimal sensitivity.   

How long does the test take?

The duration for the test ranges between 15 to 30 minutes.   

Is the test painful?

No, it is non-invasive and does not involve any pain, making the test relatively comfortable.   

What are the risks and limitations of the test?

Besides the exposure of radiation, the test can cause an allergic response to some patients or cause feelings of claustrophobia.   

How do I prepare for the test?

As preparation for the test, avoid eating and drinking a few hours prior. Also, take out any metal objects and put on a loose-fitting top or a gown. Make sure to discuss any medical condition or allergy you have, as well as medication you are currently using with your doctor or the technician. 

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