Different CT scan types focus on specific body regions. The scanning process is similar, but protocols vary based on symptoms.

CT Scan Abdomen: A CT scan of the abdomen evaluates upper abdominal organs and structures.

It checks:

Doctors commonly recommend a CT scan of the abdomen for:

Severe or persistent abdominal pain.
Fever with suspected internal infection.
Kidney stones or urinary obstruction.
Suspected appendicitis (in selected cases).
Tumour detection or follow-up.
Trauma assessment. The detailed imaging helps doctors quickly identify the cause of pain or infection.

CT Scan Pelvis: A CT scan of the pelvis focuses on structures in the lower abdomen and pelvic region.

It evaluates:

It is commonly advised for:

In many situations, doctors may order a combined CT scan of the abdomen and pelvis for complete evaluation.

CT Scan Chest: A CT scan of the chest provides detailed images of the lungs and surrounding structures.

It assesses:

Common reasons include:

Persistent cough or fever.
Breathlessness.
Evaluation of pneumonia complications.
Lung nodules or tumours.
Pulmonary embolism evaluation (CT Pulmonary Angiography – CTPA) in selected cases.
Pre-surgery or cancer staging scans. A CT scan of the chest is especially helpful in detecting lung infections and early lung changes.

CT Scan Spine: A CT scan of the spine focuses on the bones of the spine and surrounding structures.

It evaluates:

It is commonly used for:

Trauma and suspected spinal fractures.
Post-surgery assessment of implants.
Bone detail evaluation when MRI is not possible.
Degenerative bony narrowing (in selected cases). A CT scan spine is particularly useful for assessing bone injuries quickly after accidents.

CT Scan Uses, Preparation, Cost & Report Time