TRIPLE PHASE CT SCAN A Triple Phase CT Scan is a specialized imaging technique primarily used to evaluate vascular structures and organ perfusion , especially in the liver, pancreas, kidneys , and certain tumors. It involves acquiring CT images in three different phases of contrast enhancement after intravenous contrast injection. 🔹 Definition : A Triple Phase CT scan is a contrast-enhanced CT examination that captures images in three time-based phases following contrast injection: Arterial Phase (~20–30 sec) Portal Venous Phase (~60–70 sec) Delayed Phase (~5–15 mins) It provides detailed vascular and parenchymal evaluation, particularly useful for detecting hypervascular and hypovascular lesions. 🔹 Indications: Triple phase CT is commonly indicated in: Liver lesion characterization (e.g., HCC, metastases, hemangiomas ) Preoperative liver surgery planning Hepatic arterial mapping Pancreatic masses Renal t...
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