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Entry level diagnosis of abdomen MRI
- 1. Entry Level DiagnosisEntry Level Diagnosis with MR of Abdomenwith MR of Abdomen 振興醫療財團法人振興醫院振興醫療財團法人振興醫院 影像醫學部 放射診斷科影像醫學部 放射診斷科 張天祐張天祐
- 2. MR imaging uses a powerful magnetic field, radio frequency pulses and a computer to produce detailed pictures of organs, soft tissues, bone and virtually all other internal body structures.
- 3. MR imaging of the body is performed to evaluate: 1. organs of the chest and abdomen—including the heart, liver, biliary tract, kidney, spleen, and pancreas and adrenal glands. 2. pelvic organs including the reproductive organs in the male (prostate and testicles) and the female (uterus, cervix and ovaries). 3. blood vessels (MR Angiography). 4. breasts.
- 4. Liver Lipoma or Liver Cyst with high protein content T1W CT ↗ ↗
- 7. Liver Hemangioma T1W T2W T1W+C T1W+C T1W+C ← ←
- 10. Liver Hepatoma (Primovist) T1W T2W ↗ ↗ ↗ ↗
- 11. Liver Hemangioma, Focal Nodular Hyperplasia (Primovist) T1W T2W↗ ↗ ↗ ↓ ↓ ↓
- 15. Small Gallstones and dilated CBD T1W T1W T1W+C ↗↗ ↗ ↓ ↓ ↓
- 16. Gall Bladder Adenocarcinoma T1W T2W T1W+C MRCP ↖ ↖ ↖ ↖
- 17. Normal pancreas demonstrated on coronal 3D GRE T1-weighted images obtained after an IV bolus injection of a gadolinium chelate in the (A) arterial, (B) early portal venous, and (C) delayed phases Matos C et al. Radiographics 2002;22:e2 ©2002 by Radiological Society of North America
- 19. Acute pancreatitis and peripancreatic exudate Matos C et al. Radiographics 2002;22:e2 ©2002 by Radiological Society of North America
- 20. Acute necrotizing pancreatitis, a peripancreatic exudate, and ascites Matos C et al. Radiographics 2002;22:e2 ©2002 by Radiological Society of North America
- 21. Adenocarcinoma of the head of the pancreas demonstrated on a coronal 3D GRE T1- weighted image obtained after an IV bolus of a gadolinium chelate in the portal venous phase (A) and the correponding MIP (B) Matos C et al. Radiographics 2002;22:e2 ©2002 by Radiological Society of North America
- 23. Pancreas Adenocarcinoma T1W T2W T1W+C T1W+C
- 24. Right Renal Cyst T1W T2W T1W+C ↗ ↗ ↗
- 25. Left Renal Cyst T1W T2W ↑ ↑
- 26. T1W T2W T1W+C Right Kidney Renal Cellular Carcinoma
- 27. UB Urothelial Carcinoma T1W T2W T1W T1W+C
- 29. Right Adrenal Gland Pheochromocytoma T1W T2W T1W+C T1W+CT1W ↑ ↑ ↑ ↑ ↑ ↑
- 30. Left Adrenal Gland Adenoma T1Wi T1Wo T2W T1Wi+C T1Wo+C T1W+C ↑ ↑ ↑ ↑ ↑ ↑
- 31. Endometrioma at MRIEndometrioma at MRI T2W T1W T1fatsat T1fatsat+C Kinkel et al, Eur Radiol 2006; 16: 285
- 33. T1W T2W T1W+C ↑ ↑ ↑ Left Ovarian Clear Cell Carcinoma and Uterine Myoma
- 34. T2WT1W ↑ ↑ Ovarian Cystic Adenocarcinoma
- 35. Uterine Cervical Cancer T1W T2W T1W+C ↗ ↗ ↗
- 37. Thanks for your attenuation!
Editor's Notes
- Figure 22. Normal pancreas demonstrated on coronal 3D GRE T1-weighted images obtained after an IV bolus injection of a gadolinium chelate in the (A) arterial, (B) early portal venous, and (C) delayed phases. Progressive and homogeneous pancreatic enhancement is seen (arrows). MIP images (D, E) calculated from data obtained in A and B, respectively, nicely demonstrate the arterial and venous networks.
- Figure 18. Patient with acute pancreatitis and peripancreatic exudate. Non-fat-suppressed (A, C) and fat-suppressed (B, D) axial and coronal HASTE T2-weighted images. Increased signal intensity of peripancreatic fat tissues (arrows) is better demonstrated in B and D.
- Figure 3. Patient with acute necrotizing pancreatitis, a peripancreatic exudate, and ascites. Suboptimal visualization of the common bile duct and pancreatic duct (arrows) due to increased signal intensity of the background tissue is observed on this MRCP image. To avoid suboptimal visualization in such conditions, a 2D or 3D multisection acquisition with a targeted MIP can be used.
- Figure 23. Adenocarcinoma of the head of the pancreas demonstrated on a coronal 3D GRE T1-weighted image obtained after an IV bolus of a gadolinium chelate in the portal venous phase (A) and the correponding MIP (B). The small tumor (arrow) is displayed in A, and no venous invasion is detected.