Related Experiment Video

Updated: Jun 18, 2026

Tracking the Mammary Architectural Features and Detecting Breast Cancer with Magnetic Resonance Diffusion Tensor Imaging
15:48

Tracking the Mammary Architectural Features and Detecting Breast Cancer with Magnetic Resonance Diffusion Tensor Imaging

Published on: December 15, 2014

The efficacy of diffusion-weighted imaging for the detection and evaluation of acute pancreatitis

Satoshi Shinya1, Takamitsu Sasaki, Yoshifumi Nakagawa

  • 1Department of Gastroenterological Surgery, Yamamoto Memorial Hospital, 88-4 Hachiyagarami, Nirimachi, Imari, Saga, 848-0031, Japan. shinya-satoshi-rie@lake.ocn.ne.jp

Hepato-Gastroenterology
|December 3, 2009
PubMed
Abstract

Insights

Diffusion-weighted imaging (DWI) effectively detects acute pancreatitis, matching CT scan accuracy without contrast agents. This magnetic resonance imaging technique is valuable for pancreatitis evaluation and follow-up.

Area of Science:

  • Medical imaging
  • Radiology
  • Gastroenterology

Background:

  • Diffusion-weighted imaging (DWI) is an advanced magnetic resonance imaging (MRI) technique assessing water molecule motion.
  • Established clinical utility of DWI includes acute stroke and brain tumor detection.
  • Recent MRI advancements permit body DWI, showing efficacy in diagnosing various diseases.

Purpose of the Study:

  • To document the efficacy of DWI for evaluating acute pancreatitis.
  • To compare DWI performance against computed tomography (CT) in acute pancreatitis detection.

Main Methods:

  • 1.5-T MRI with T1-weighted, T2-weighted, DWI, and MR cholangiopancreatography (MRCP) sequences were used.
  • CT examinations were performed on 11 patients with mild acute pancreatitis.
  • Two radiologists assessed pancreatitis, complications, and causes using MRI and CT.

Main Results:

  • DWI and CT showed comparable accuracy in detecting acute pancreatitis.
  • DWI provided clearer visualization of pancreatitis than CT without contrast enhancement.
  • DWI findings correlated with clinical data, lab results, and CT assessments.
  • DWI identified pancreatic cancer, while MRCP detected choledocholithiasis and pancreas divisum as causes.

Conclusions:

  • DWI is a potent tool for acute pancreatitis evaluation.
  • DWI aids in the follow-up of acute pancreatitis patients.
  • DWI offers advantages in visualizing pancreatitis, especially without contrast agents.

More Related Videos

Dynamic Contrast Enhanced Magnetic Resonance Imaging of an Orthotopic Pancreatic Cancer Mouse Model06:24

Dynamic Contrast Enhanced Magnetic Resonance Imaging of an Orthotopic Pancreatic Cancer Mouse Model

Published on: April 18, 2015

Related Concept Videos

Acute Pancreatitis II: Clinical Manifestations and Management01:30

Acute Pancreatitis II: Clinical Manifestations and Management

Acute pancreatitis presents a complex medical emergency characterized by rapid onset inflammation of the pancreas, demanding timely diagnosis and management to prevent complications. The condition primarily manifests through severe upper abdominal pain that often radiates to the back. This pain intensifies following the consumption of fatty foods. Accompanying symptoms such as nausea, vomiting, abdominal distention, fever, dyspnea, cyanosis, and jaundice can vary in intensity but significantly...
Acute Pancreatitis I: Introduction01:25

Acute Pancreatitis I: Introduction

Acute pancreatitis is the sudden inflammation of the pancreas caused by the early activation of digestive enzymes, leading to the autodigestion of pancreatic tissue. This results in local inflammation and, in severe cases, systemic complications.EtiologyUnderstanding the underlying causes is crucial, as identifying the etiology guides treatment and anticipates complications. Acute pancreatitis can be triggered by various factors, typically grouped into the following clinical categories.Biliary...
Acute Pancreatitis I: Introduction01:27

Acute Pancreatitis I: Introduction

Pancreatitis is inflammation of the pancreas, an organ located behind the stomach. It can be either acute or chronic.
Acute pancreatitis is characterized by rapid inflammation of the pancreas, often caused by factors like gallstone blockage or excessive alcohol consumption. Chronic pancreatitis, on the other hand, is a slow, progressive inflammation that may result from long-term alcohol abuse, obstructions in the pancreatic duct, or genetic factors.
The causes of acute pancreatitis include:
Assessment of Diffusion and Perfusion01:17

Assessment of Diffusion and Perfusion

Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this principle...
Acute Pancreatitis II: Pathophysiology01:21

Acute Pancreatitis II: Pathophysiology

The pathophysiology of acute pancreatitis centers on injury to pancreatic acinar cells, which initiates a cascade of harmful intracellular events.This injury leads to premature activation of trypsinogen to trypsin in the pancreas. Trypsin then activates other digestive enzymes, such as chymotrypsin, elastase, and phospholipase A2, which begin breaking down pancreatic tissue. The resulting autodigestion causes local inflammation, tissue swelling, hemorrhage, and fat necrosis.Injured acinar cells...
Chronic Pancreatitis I: Introduction01:24

Chronic Pancreatitis I: Introduction

The pancreas, an elongated and flat gland situated behind the stomach, serves a vital function in digesting food and managing blood sugar levels.
Pancreatitis is the inflammation of the pancreas, which occurs when the immune system becomes active and causes swelling, pain, and disruptions in organ function. Pancreatitis can manifest as either an acute or chronic condition.
Acute pancreatitis arises suddenly and lasts for a brief duration, while chronic pancreatitis is a long-term affliction...