Download - Pancreatic Radiology
PANCREAS
1.ACUTE PANCREATITIS
USG :
SWOLLEN AND HYPOECHOIC PANCREAS
CT – CONTRAST ENHANCED
1.SWOLLEN
2.PERIPANCREATIC FAT STRANDING – HYPERATTENUATING STRANDS AROUND PANCREAS
3.PERIPANCREATIC FLUID – HYPOATTENUATION WITH WATER DENSITY AROUND PANCREAS
4.PANCREATIC NECROSIS – NON ENHANCEMENT INSIDE THE PANCREAS
5.PANCREATIC ABSCESS – PRESENCE OF AIR IN THE PARENCHYMA
6.PANCREATIC HEMORRAHGE – ASSOCIATED WITH PANCREATIC NECROSIS – HYPERATTENUATION INSIDE THE NON ENHANCING PARENCHYMA
7.SPLENIC VEIN ANEURYSM – SPLENIC VEIN MAY SHOW AREAS OF FOCAL ENLARGEMENT
8.PSEUDOCYST – FORMS AFTER 6 WEEKS BALTHAZAAR GRADING OF ACUTE PANCREATITISA.NORMALB.ENLARGEMENTC.PANCREATIC INFLAMMATIOND.SINGLE POCKET FLUID COLLECTIONE. MULTIPLE POCKETS OF FLUID COLLECTION
X – RAY -NOT USEFUL
1.SENTINAL LOOP 2.COLON CUT OFF 3.ILEUS
2.CHRONIC PANCREATITIS
USG:
1.HYPER ECHOIC 2.DILATED DUCT3.NORMAL OR DECRESED SIZE4.AREAS OF CALCIFICATION SHOW HYPERECHOIC FOCAL LESION WITH SHADOW
PSEUDOCYST
LONGITUDINAL SECTION THROUGH THE PANCREAS SHOWS MULTIPLE ECHOGENIC FOCAL AREAS WITHOUT SHADOWING
CT :
NON ENHANCED:
CALCIFICATION +
REVERSE 3 SIGN WITH GASTROGRAFFIN IN THE DUODENUM
CALCIFICATION +
PSEUDOCYST +
ENHANCED :
FOCAL NON CALCIFIC CHRONIC PANCREATITIS
DILATATION OF MAIN PANCREATIC DUCT
MRI:
DILATED TORTUOUS MAIN PANCREATIC DUCT
BARIUM STUDY :
REVERSE 3 SIGN SEEN WITH ENLARGED HEAD OF PANCREAS – SEEN IN CHRONIC PANCREATITIS AND CA PANCREAS
PLAIN ABDOMINAL RADIOGRAPH:
CALCIFICATION OF PANCREAS SEEN ALONG THE LENGTH OF PANCREAS
CA PANCREAS
USG :
CA HEAD OF PANCREAS WITH HYPOECHOIC AREAS IN THE HEAD AND UNCINATE PROCESS
CA TAIL OF PANCREAS HYOECHOIC FOCAL ENLARGEMENT IN THE TAIL OF THE PANCREAS
METASTATIC DEPOSITS IN TAIL OF PANCREAS
ENDOSCOPIC USG – SHOWING MASS IN
PANCREAS WITH DILATATION OF CBD AND WITHOUT INVASION OF SUPERIOR MESENTRIC VEIN AND PORTAL VEIN
CT :
MASS IN THE HEAD OF THE PANCREAS WITH SUPERIOR MESENTRIC ARTERY INVASION AND DILATATION OF GALL BLADDER
PANCREATIC MASS CAUSING DILATAION OF BOTH CBD AND PANCREATIC DUCT