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[Fibrous tissue(s): a key for lesion characterization in digestive diseases]
D Régent1, V Laurent, L Antunes
1Service de Radiologie Adultes CHU Nancy-Brabois Allée du Morvan54511 Vandoeuvre-les-Nancy Cedex, France.
Journal De Radiologie
|May 1, 2002
Summary
Fibrosis, a key indicator in pathology, can be identified using CT and MR imaging. Delayed contrast enhancement reveals fibrous tissue, aiding in diagnosing various liver, pancreatic, and gastrointestinal diseases.
Area of Science:
- Pathology
- Radiology
- Medical Imaging
Background:
- Fibrosis is a fundamental pathological process in inflammation and repair.
- Tumors and infections can trigger inflammatory responses.
- Computed tomography (CT) and magnetic resonance (MR) imaging are used to study these responses.
Observation:
- Delayed enhancement of collagenic fibrous tissue is observed in the late post-equilibrium phase after contrast media injection.
- This enhancement pattern is crucial for characterizing various liver lesions.
Findings:
- Delayed enhancement aids in diagnosing liver conditions like cirrhosis, cholangiocarcinoma, focal nodular hyperplasia, and fibrous metastasis.
- It is also vital for differentiating pancreatic diseases (e.g., groove pancreatitis vs. ductal adenocarcinoma) and gastrointestinal diseases (e.g., gastric adenocarcinoma vs. lymphoma, Crohn's disease).
Implications:
- This imaging technique provides essential complementary data for accurate lesion characterization.
- It improves differential diagnosis across multiple gastrointestinal and abdominal pathologies.
- Advanced imaging analysis enhances diagnostic capabilities in clinical practice.