CT SCAN CHEST, ABDOMEN AND PELVIS WITH CONTRAST (DELDC) at Dr. Essa Lab

CT SCAN CHEST, ABDOMEN AND PELVIS WITH CONTRAST (DELDC) at Dr. Essa Lab

The CT SCAN CHEST, ABDOMEN AND PELVIS WITH CONTRAST (DELDC) is a comprehensive, state-of-the-art diagnostic imaging examination performed at Dr. Essa Lab. This advanced imaging modality utilizes computed tomography (CT) technology—which combines a series of X-ray images taken from different angles around the body—and sophisticated computer processing to create highly detailed, cross-sectional views (slices) of the soft tissues, blood vessels, and bones. By scanning the chest, abdomen, and pelvis in a single, coordinated session, radiologists can obtain a complete diagnostic overview of the patient’s entire torso. This integrated approach is crucial for evaluating complex systemic conditions, staging oncological diseases, and investigating multi-organ pathologies.

To maximize the diagnostic value of this scan, an iodinated intravenous (IV) contrast medium is administered during the procedure. The contrast agent acts as a diagnostic enhancer, temporarily altering the way X-rays interact with body tissues. As the contrast flows through the bloodstream, it opacifies blood vessels and highlights hypervascular lesions, inflammatory processes, and abnormal tissue perfusion. This allows the consultant radiologist to clearly differentiate between normal anatomical structures and pathological lesions, such as tumors, cysts, abscesses, and vascular anomalies. Without contrast, many subtle soft-tissue abnormalities, particularly within solid abdominal organs or complex pelvic structures, might remain poorly defined or undetected.

The anatomical coverage of this scan is extensive. In the thoracic region (chest), it evaluates the lung parenchyma, airways, mediastinum, pleura, thoracic aorta, and surrounding musculoskeletal structures. Moving inferiorly into the abdomen, the scan provides high-resolution visualization of the liver, gallbladder, spleen, pancreas, kidneys, adrenal glands, and the gastrointestinal tract. In the pelvic cavity, it assesses the urinary bladder, pelvic lymph nodes, and reproductive organs (such as the uterus and ovaries in females, or the prostate and seminal vesicles in males). The clinical importance of this comprehensive scan cannot be overstated; it serves as a cornerstone for staging cancers, planning complex surgical interventions, assessing traumatic injuries, and monitoring the efficacy of ongoing medical therapies.

Clinical Procedure: What to Expect

Patient Preparation

Proper patient preparation is vital to ensure the safety, accuracy, and diagnostic quality of the CT SCAN CHEST, ABDOMEN AND PELVIS WITH CONTRAST (DELDC) at Dr. Essa Lab. Patients are requested to adhere strictly to the following preparation guidelines:

• Fasting Requirements: Patients must fast (no solid food or liquids other than plain water) for at least 4 to 6 hours prior to the scheduled scan. This reduces the risk of nausea or vomiting, which can occasionally be triggered by the intravenous contrast agent, and ensures optimal visualization of the gastrointestinal tract.
• Renal Function Testing: Because the iodinated contrast medium is cleared from the body through the kidneys, patients must present a recent serum creatinine and estimated Glomerular Filtration Rate (eGFR) report (usually within the last 30 days). This is a critical safety measure to prevent contrast-induced nephropathy.
• Allergy History and Pre-medication: Patients must inform the clinical staff of any known allergies, especially previous adverse reactions to iodinated contrast media, iodine, or shellfish. If a moderate-to-severe allergy history is identified, a pre-medication regimen consisting of corticosteroids and antihistamines may be prescribed by the referring physician.
• Medication Management: Most daily medications can be taken with small sips of water. However, patients taking metformin-containing medications for diabetes may need to suspend their use on the day of the test and for 48 hours following the contrast injection, subject to confirmation of normal post-procedure renal function.
• Comfortable Attire: Patients should wear loose, comfortable clothing. Before entering the scanning room, they will be asked to change into a patient gown and remove all metallic objects, including jewelry, hairpins, eyeglasses, dentures, and clothing with metal zippers or underwires, as metal causes severe imaging artifacts.
• Pregnancy and Breastfeeding: Female patients must inform the technologist if they are pregnant or suspect they might be. Ionizing radiation poses potential risks to the developing fetus, and alternative imaging modalities may be considered. Breastfeeding mothers may continue to breastfeed, though some choose to express and discard breast milk for 24 hours post-contrast as a personal precaution.

During the Procedure

Upon arriving at the imaging suite at Dr. Essa Lab, the patient is greeted by a certified radiologic technologist who will review the preparation checklist and explain the steps of the procedure. The clinical process is designed to maximize patient safety and comfort:

• Intravenous Access: A qualified nurse or technologist will insert a peripheral intravenous (IV) cannula, typically into a vein in the arm or hand. This cannula is connected to an automated power injector that precisely controls the delivery rate and volume of the iodinated contrast medium during the scan.
• Oral Contrast Administration: Depending on the specific clinical indication, the patient may be asked to drink a diluted oral contrast solution (barium or iodinated liquid) over a period of 1 to 2 hours before the scan. This oral contrast coats the stomach and bowel loops, helping the radiologist distinguish the digestive tract from adjacent abdominal masses or lymph nodes.
• Patient Positioning: The patient is positioned supine (lying flat on their back) on the motorized CT scanner table. To ensure optimal imaging of the chest and abdomen without interference from the upper extremities, the patient will be asked to raise their arms above their head for the duration of the scan.
• The Scanning Process: The motorized table slowly glides through the circular opening (gantry) of the CT scanner. The scanner does not touch the patient and is open on both sides. Inside the gantry, an X-ray tube and digital detectors rotate rapidly around the patient, emitting a low-dose, highly collimated X-ray beam.
• Breathing Instructions: During the acquisition of images, the patient will hear automated voice prompts instructing them to take a deep breath and hold it for a few seconds. Remaining perfectly still and holding one’s breath is essential to eliminate motion blur caused by respiration.
• Contrast Injection Experience: As the intravenous contrast is injected, patients commonly experience a transient warm, flushing sensation throughout the body, a metallic taste in the mouth, or the sensation that they have wet themselves. These are normal physiological responses that resolve within a minute or two.
• Duration and Monitoring: The actual scanning process takes less than 60 seconds. However, the entire procedure, including positioning, IV setup, and post-injection observation, takes approximately 30 to 45 minutes. The technologist monitors the patient continuously through a viewing window and via an intercom system.

When is a CT SCAN CHEST, ABDOMEN AND PELVIS WITH CONTRAST (DELDC) Performed?

Oncological Staging, Grading, and Surveillance

Physicians frequently request this comprehensive scan for patients diagnosed with cancer or those suspected of having a malignant disease. Because many cancers have a propensity to metastasize to the lungs, liver, lymph nodes, or pelvic organs, scanning the entire torso provides a complete picture of the disease’s extent. The contrast-enhanced scan allows oncologists to determine the primary tumor’s size, evaluate local invasion into adjacent tissues, detect regional lymphadenopathy, and identify distant metastases. It is also utilized to monitor the patient’s response to chemotherapy, radiation therapy, or surgical resection, allowing for timely adjustments to the treatment plan.

Evaluation of Acute and Chronic Abdominal Pain

Unexplained, severe, or progressive abdominal and pelvic pain is a common clinical indication for this procedure. When physical examination and basic laboratory tests are inconclusive, a contrast-enhanced CT scan can rapidly pinpoint the underlying cause. It is highly effective in diagnosing acute inflammatory conditions such as appendicitis, diverticulitis, pancreatitis, cholecystitis, and peritonitis. It can also identify mechanical issues like bowel obstructions, volvulus, and internal hernias, as well as vascular emergencies like mesenteric ischemia, providing the emergency medical team or surgeon with the precise anatomical details needed for immediate intervention.

Assessment of Severe Trauma and Internal Injuries

In cases of high-energy trauma, such as motor vehicle accidents, falls, or penetrating injuries, rapid and comprehensive diagnostic imaging is critical. The CT SCAN CHEST, ABDOMEN AND PELVIS WITH CONTRAST (DELDC) is the gold standard for assessing polytrauma patients. Within minutes, it can detect life-threatening internal injuries, including pulmonary contusions, pneumothorax, hemothorax, active arterial extravasation (internal bleeding), lacerations or hematomas of solid organs (such as the liver, spleen, or kidneys), and complex pelvic or spinal fractures. The use of contrast is essential here to identify active vascular bleeding and assess organ perfusion.

Investigation of Unexplained Weight Loss and Constitutional Symptoms

When patients present with vague, non-specific symptoms such as significant unexplained weight loss, chronic low-grade fever, night sweats, or persistent fatigue, clinicians must investigate a wide range of potential systemic etiologies. This scan acts as a powerful diagnostic tool to screen for occult malignancies (such as lymphoma, renal cell carcinoma, or pancreatic cancer), deep-seated chronic infections (such as intra-abdominal or pelvic abscesses, tuberculosis, or retroperitoneal infections), and systemic autoimmune or inflammatory diseases (such as sarcoidosis or inflammatory bowel disease).

Evaluation of Complex Vascular Anomalies and Diseases

The contrast-enhanced CT scan is highly sensitive for evaluating the major blood vessels traversing the chest, abdomen, and pelvis. Cardiologists, vascular surgeons, and pulmonologists request this test to diagnose and monitor conditions such as thoracic and abdominal aortic aneurysms, aortic dissection, pulmonary embolism, deep vein thrombosis, renal artery stenosis, and portal vein thrombosis. The rapid injection of contrast media opacifies the arterial and venous systems, allowing for high-resolution CT angiography reconstructions that show the precise location, size, and extent of vascular pathology.

What Does a CT SCAN CHEST, ABDOMEN AND PELVIS WITH CONTRAST (DELDC) Detect?

This comprehensive diagnostic scan is capable of detecting a wide array of pathological conditions across multiple organ systems. Clinically significant findings include:

• Pulmonary Nodules and Masses: Primary lung malignancies, benign lesions, or metastatic deposits from other primary sites.
• Pleural Effusion and Empyema: Abnormal fluid accumulation or infection within the pleural space surrounding the lungs.
• Pneumonia and Atelectasis: Active lung infections, consolidation, or localized collapse of lung tissue.
• Mediastinal Lymphadenopathy: Enlargement of lymph nodes in the chest, indicative of lymphoma, sarcoidosis, or metastatic disease.
• Aortic Aneurysm and Dissection: Abnormal dilation or tearing of the thoracic or abdominal aorta walls.
• Pulmonary Embolism: Blood clots within the pulmonary arterial tree (when scanned with an appropriate vascular phase).
• Hepatic Steatosis and Cirrhosis: Fatty liver infiltration, parenchymal scarring, portal hypertension, and architectural distortion.
• Focal Liver Lesions: Benign tumors (hemangiomas, focal nodular hyperplasia) and malignant lesions (hepatocellular carcinoma, metastases).
• Cholelithiasis and Cholecystitis: Gallstones within the gallbladder or biliary tree, accompanied by gallbladder wall thickening and inflammation.
• Pancreatitis: Acute or chronic inflammation of the pancreas, peripancreatic fluid collections, pseudocysts, or necrosis.
• Pancreatic Adenocarcinoma: Solid masses within the head, body, or tail of the pancreas, often causing biliary ductal dilatation.
• Splenomegaly: Abnormal enlargement of the spleen, associated with hematological disorders, portal hypertension, or infections.
• Renal Calculi and Hydronephrosis: Kidney stones and subsequent obstruction causing dilation of the renal collecting system.
• Renal Masses: Simple or complex renal cysts, oncocytomas, and renal cell carcinoma.
• Adrenal Adenomas and Hyperplasia: Benign or functional tumors of the adrenal glands, or diffuse glandular enlargement.
• Appendicitis: Inflammation, wall thickening, and surrounding fat stranding of the appendix.
• Diverticulitis: Inflamed diverticula in the colon, colonic wall thickening, and potential micro-perforations or abscesses.
• Bowel Obstruction: Mechanical blockage of the small or large bowel, characterized by dilated bowel loops and transition points.
• Ascites: Free fluid accumulation within the peritoneal cavity, often secondary to cirrhosis, heart failure, or peritoneal carcinomatosis.
• Urinary Bladder Masses: Transitional cell carcinoma or other neoplastic growths arising from the bladder urothelium.
• Uterine Fibroids and Adenomyosis: Common benign uterine neoplasms or diffuse muscular thickening.
• Ovarian Cysts and Neoplasms: Simple fluid-filled cysts, complex adnexal masses, or features suggestive of ovarian malignancy.
• Prostatic Hypertrophy and Pelvic Masses: Enlargement of the prostate gland or soft-tissue masses within the pelvic retroperitoneum.
• Abdominal and Pelvic Lymphadenopathy: Pathological enlargement of retroperitoneal, mesenteric, or iliac lymph nodes.
• Peritoneal Carcinomatosis: Metastatic implants along the peritoneal lining, often associated with ascites.
• Skeletal Metastases and Degenerative Changes: Lytic or blastic bone lesions in the spine, ribs, or pelvis, as well as severe osteoarthritis.

Turnaround Time and Report Access at Dr. Essa Lab

At Dr. Essa Lab, we understand that receiving timely diagnostic results is crucial for patient peace of mind and prompt clinical decision-making. Once your CT SCAN CHEST, ABDOMEN AND PELVIS WITH CONTRAST (DELDC) is completed, the extensive series of cross-sectional images is transferred to our advanced Picture Archiving and Communication System (PACS). A highly qualified Consultant Radiologist, specializing in body imaging, meticulously reviews and interprets the scans, comparing them with any available prior imaging studies to provide a comprehensive, comparative report.

The finalized, medically validated report is typically available within 24 to 48 hours of the procedure. Patients and their referring physicians can access the diagnostic report and high-resolution digital images online through the secure Dr. Essa Lab patient portal. Physical copies of the printed report and diagnostic films can also be collected directly from the Dr. Essa Lab diagnostic center where the scan was performed. An SMS notification is sent to the patient’s registered mobile number as soon as the report is ready for retrieval.

CT SCAN CHEST, ABDOMEN AND PELVIS WITH CONTRAST (DELDC) Findings Overview

The following table provides an overview of the anatomical structures evaluated during this scan, contrasting typical normal findings with potential pathological abnormalities:

Structure / Parameter Evaluated	Normal Findings	Possible Abnormal Findings
Lungs and Pleura	Clear lung parenchyma, fully expanded lungs, no pleural fluid or thickening.	Pulmonary nodules, masses, consolidation, emphysema, pleural effusion, pneumothorax.
Mediastinum and Airways	Trachea and bronchi are patent; mediastinal structures are midline; no lymph node enlargement.	Mediastinal masses, lymphadenopathy, tracheal stenosis, esophageal wall thickening.
Cardiovascular Structures	Normal caliber of the thoracic and abdominal aorta; no pericardial effusion or calcified plaques.	Aortic aneurysm, aortic dissection, pericardial effusion, severe coronary artery calcification.
Liver and Biliary Tree	Homogeneous parenchymal attenuation; normal size; no intra- or extrahepatic biliary ductal dilatation.	Hepatomegaly, hepatic steatosis, cirrhosis, hemangiomas, metastases, cholelithiasis, dilated bile ducts.
Spleen and Pancreas	Homogeneous attenuation; normal size and contour; pancreatic duct is not dilated.	Splenomegaly, splenic laceration, pancreatitis, pancreatic pseudocyst, pancreatic adenocarcinoma.
Kidneys and Adrenals	Symmetrical size and contrast enhancement; no calculi or hydronephrosis; normal adrenal glands.	Renal calculi, hydronephrosis, renal cell carcinoma, simple/complex cysts, adrenal adenoma.
Gastrointestinal Tract	Normal wall thickness; appropriate transit of oral contrast; no bowel loop dilatation.	Bowel wall thickening, diverticulitis, appendicitis, mechanical bowel obstruction, bowel masses.
Pelvic Organs	Normal bladder wall; normal appearance of uterus/ovaries (females) or prostate (males).	Bladder tumors, uterine fibroids, complex ovarian masses, prostatic enlargement, pelvic fluid.
Lymph Nodes and Peritoneum	No pathologically enlarged abdominal, pelvic, or inguinal lymph nodes; no free peritoneal fluid.	Retroperitoneal lymphadenopathy, ascites, peritoneal carcinomatosis, abscesses.
Bones and Soft Tissues	Intact skeletal structures; normal density; no abnormal soft-tissue masses.	Lytic or blastic bone metastases, fractures, degenerative disc disease, paraspinal masses.

Note: Diagnostic findings should always be interpreted by a qualified healthcare professional together with the patient’s symptoms, medical history, physical examination, laboratory investigations, previous imaging studies, and other relevant clinical information. Additional investigations or specialist consultation may be recommended depending on the findings.

Why Choose Dr. Essa Lab for CT SCAN CHEST, ABDOMEN AND PELVIS WITH CONTRAST (DELDC)?

• Experienced Healthcare Professionals: Our team consists of highly qualified consultant radiologists and certified radiologic technologists dedicated to delivering diagnostic excellence.
• Patient-Focused Care: We prioritize patient comfort, safety, and clear communication throughout the entire diagnostic imaging process.
• Quality Diagnostic Services: Dr. Essa Lab is committed to maintaining the highest standards of diagnostic accuracy, utilizing rigorous quality control protocols.
• Professional Reporting: Our detailed, comprehensive reports provide referring physicians with the precise clinical insights needed for effective treatment planning.
• Modern Diagnostic Approach: We utilize advanced multi-slice CT scanning technology to obtain high-resolution images with optimized radiation dose management.
• Comfortable Environment: Our imaging facilities are designed to provide a clean, welcoming, and stress-free environment for all patients.
• Convenient Location: With an extensive network of branches across Karachi and other major cities, accessing our diagnostic services is highly convenient.
• Commitment to Accurate Diagnosis: We continuously update our protocols and technology to ensure we remain a trusted leader in medical diagnostics.