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INDEX
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INDEX
Abdomen, postoperative state, 124–125
Abdominal aortic aneurysm, aortoenteric fistula associated with, 329
Abdominal calcifications, differential diagnosis, 67
Abdominal cavity, embryology and anatomy, 66
Abdominal fluid collection, congenital gallbladder abnormalities vs., 868
Abdominal foreign bodies. See See Foreign bodies, abdominal.
Abdominal hematoma, abdominal abscess vs., 74
Abdominal incision and injection sites, 126–129
Abdominal manifestations of systemic conditions, 4–63
amyloidosis. See See Amyloidosis.
cystic fibrosis. See See Cystic fibrosis.
foreign bodies, 42–47
HIV/AIDS, 8–11
imaging approach, 4–7
common hepatic artery, coronal volume rendered, 4
image gallery, 6–7
imaging modalities, 4
inferior vena cava, anatomy, 5
major lymphatics and lymph nodes, anatomy, 5
organizational approach, 4
Kaposi sarcoma. See See Kaposi sarcoma.
leukemia. See See Leukemia.
lymphoma. See See Lymphoma.
metastatic melanoma, 58–61
mononucleosis, 16–17
post-transplant lymphoproliferative disorder, 50–53
complication of small intestine transplantation, 432
differential diagnosis, 52
sarcoidosis. See See Sarcoidosis.
sickle cell anemia. See See Sickle cell anemia.
superior vena cava obstruction, 36–37
differential diagnosis, 37
portal hypertension and varices vs., 116
tuberculosis. See See Tuberculosis.
vasculitis. See See Vasculitis.
Abdominal mesothelioma, 140–143
associated abnormalities, 142
differential diagnosis, 141–142
histologic types, 142
peritoneal metastases vs., 146
pseudomyxoma peritonei vs., 150
Abdominal neoplasms, benign
desmoid. See See Desmoid tumors.
intestinal lymphangiectasia associated with, 385
lymphangioma (mesenteric cyst). See See Lymphangioma (mesenteric cyst).
Abdominal neoplasms, malignant
abdominal mesothelioma. See See Abdominal mesothelioma.
intestinal lymphangiectasia associated with, 385
peritoneal metastases. See See Peritoneal metastases.
pseudomyxoma peritonei. See See Pseudomyxoma peritonei.
Abdominal surgery
desmoid neoplasms associated with, 38
ileus associated with, 387
omental infarct associated with, 90
paraduodenal hernia associated with, 106
sclerosing mesenteritis associated with, 82
transmesenteric postoperative hernia associated with, 109
Abdominal trauma, sclerosing mesenteritis associated with, 82
Abdominal wall
eventration and paralysis of diaphragm, 152
imaging approach, 66–71
differential diagnosis, 67–68
embryology and relevant anatomy, 66–67
image gallery, 71
neoplasms, abdominal incision and injection sites vs., 128
postoperative state, 124–125
traumatic diaphragmatic rupture, 120–123
varices, imaging, in portal hypertension, 115
Abdominal wall defect (hernia), differential diagnosis, 68
Abdominal wall mass, differential diagnosis, 68
Abruptio placentae, HELLP syndrome associated with, 734
Abscess
biloma vs., 939
fungal microabscesses, splenic infection and abscess associated with, 556
hepatic. See See Hepatic abscess.
hepatic pyogenic. See See Hepatic pyogenic abscess.
Absent diaphragm sign, 121
Acalculous cholecystitis, 906–909
acute calculous cholecystitis vs., 904
differential diagnosis, 907–908
risk factors, 908
Accessory spleen, 548–549
differential diagnosis, 549
intrapancreatic, pancreatic neuroendocrine tumors vs., 1056
polysplenia vs., 552
splenosis vs., 571
Acetic acid, caustic esophagitis associated with, 173
Achalasia. See See Esophageal achalasia.
Acids, caustic esophagitis associated with, 173
Acquired C1-INH deficiency, intestinal (angioneurotic) angioedema associated with, 381
Acute calculous cholecystitis, 902–905
acalculous cholecystitis vs., 907
differential diagnosis, 904
staging, grading, & classification, 904
Acute cholangitis. See See Ascending cholangitis.
Acute cholecystitis, Mirizzi syndrome associated with, 920
Acute edematous pancreatitis
autoimmune (IgG4) pancreatitis vs., 1009
involving groove, groove pancreatitis vs., 1004
Acute fatty liver of pregnancy, HELLP syndrome vs., 733
Acute injury, pancreatic trauma vs., 1015
Acute mesenteric ischemia. See See Ischemic enteritis.
Acute myocardial infarction, ileus associated with, 387
Acute pancreatitis and complications, 990–999
acute calculous cholecystitis vs., 904
complications
central necrosis (disconnected duct syndrome), 991
extrapancreatic fat necrosis, 991
fluid collections, 991
infected pancreatic necrosis, 991
pseudoaneurysm, 991
venous thrombosis, 991
differential diagnosis, 992
gastritis vs., 244
genetics, 992
staging, grading, & classification, 992–993
systemic hypotension vs., 35
Acute pyogenic cholangitis, AIDS cholangiopathy vs., 891
Acute renal failure, HELLP syndrome associated with, 734
Acute right lower quadrant pain, differential diagnosis, 454
Acute viral hepatitis, passive hepatic congestion vs., 707
AD (autosomal dominant) polycystic liver disease, 594–597
associated abnormalities, 595–596
biliary hamartoma vs., 795
Caroli disease vs., 871
differential diagnosis, 595
genetics, 595
hepatic cyst vs., 765
peribiliary cysts vs., 677
Adenitis, mesenteric. See See Mesenteric adenitis and enteritis.
Adenocarcinoma
ampullary, duodenal carcinoma vs., 335
colonic metastases and lymphoma vs., 541
duodenal. See See Duodenal carcinoma.
esophageal carcinoma associated with, 230
pancreatic. See See Pancreatic ductal carcinoma.
pancreatic head
asymmetric fatty lobulation of pancreas vs., 987
involving ampulla, ampullary carcinoma vs., 961
periampullary, duodenal carcinoma vs., 335
rectal carcinoma associated with, 532
Adenoma. See also See also Cystadenoma.
hepatic. See See Hepatic adenoma.
mucinous macrocystic adenoma. See See Mucinous cystic pancreatic tumor.
rectal villous adenoma, rectal carcinoma vs., 531
small bowel carcinoma associated with, 443
villous adenoma. See See Villous adenoma, colon.
Adenoma-carcinoma sequence
ampullary carcinoma associated with, 962
duodenal carcinoma associated with, 335
gallbladder carcinoma associated with, 958
pancreatic intraductal papillary mucinous neoplasm (IPMN) associated with, 1050
small bowel carcinoma associated with, 443
Adenomatous polyps. See also See also Familial adenomatous polyposis (FAP).
colon carcinoma associated with, 526
colonic polyps associated with, 518
duodenal, 331
duodenal carcinoma associated with, 335
gastric carcinoma associated with, 300
hyperplastic cholecystoses vs., 924
tubulovillous adenomatous polyps, colonic, 517
villous, colonic, 517
Adenomyomatosis, gallbladder. See See Gallbladder adenomyomatosis.
Adenopathy, generalized: intestinal metastases and lymphoma associated with, 446
Adhesions, small bowel obstruction associated with, 390
Adrenal gland, CT findings
leukemia and lymphoma, 55
metastatic melanoma, 59
post-transplant lymphoproliferative disorder, 51
Adrenal lesions, tuberculosis vs., 14
Adrenal mass, gastric diverticulum vs., 243
Adrenal tuberculosis, radiologic findings, 13
Afferent loop syndrome, complication of partial gastrectomy, 272
Aflatoxins, hepatocellular carcinoma associated with, 808
Age, colonic diverticulosis associated with, 489
Agenesis of dorsal pancreas, 980
differential diagnosis, 980
malrotation of small intestine associated with, 349
pancreas divisum vs., 984
Agenesis of gallbladder
congenital absence of hepatic segments associated with, 599
congenital gallbladder abnormalities associated with, 868
Agenesis of hepatic lobes or segments. See See Congenital absence of hepatic segments.
Aggressive fibromatosis. See See Desmoid tumors.
AIDS cholangiopathy, 890–891
acalculous cholecystitis vs., 908
autoimmune (IgG4) cholangitis vs., 932
differential diagnosis, 891
primary sclerosing cholangitis vs., 936
staging, grading, & classification, 891
AIDS/HIV. See See HIV/AIDS.
AIDS-related cholangitis, ascending cholangitis vs., 883
AIDS-related gastritis, 245
Alcohol use
acute pancreatitis and complications associated with, 992
chronic pancreatitis associated with, 1002
gastric ulcer associated with, 250
groove pancreatitis associated with, 1004
pancreatic ductal carcinoma associated with, 1036
Alcoholism
chronic, intramural pseudodiverticulosis associated with, 207
duodenal carcinoma associated with, 335
Alimentary tract, embryologic: intestinal carcinoid tumor associated with, 440
ALK gene, aberrant expression: hepatic inflammatory pseudotumor associated with, 804
Alkaline agents, caustic esophagitis associated with, 173
Allergic angioedema, intestinal (angioneurotic) angioedema associated with, 381
Amebiasis
intestinal parasites and infestation associated with, 359
toxic megacolon associated with, 471
Amebic colitis, hepatic amebic abscess associated with, 609
Amiodarone therapy, hemochromatosis vs., 681
Ampullary adenocarcinoma, duodenal carcinoma vs., 335
Ampullary adenoma, ampullary carcinoma vs., 961
Ampullary carcinoid tumor, ampullary carcinoma vs., 961
Ampullary carcinoma, 960–963
differential diagnosis, 961
duodenal polyps vs., 332
genetics, 962
staging, grading, & classification, 962
Ampullary stenosis, AIDS cholangiopathy vs., 891
Amyloidosis, 26–27
Chagas disease of esophagus vs., 165
dialysis-related, 27
differential diagnosis, 27
genetics, 27
primary biliary cirrhosis vs., 653
sarcoidosis vs., 29
Anastomotic strictures
biliary ductal, ischemic bile duct injury vs., 944
complication of pancreatic surgery, 1019–1020
complication of small intestine transplantation, 431
post-esophagectomy, 219–220
Androgens, hepatocellular carcinoma associated with, 808
Aneurysm. See also See also Pseudoaneurysm.
aortic. See See Aortic aneurysm.
splenic artery aneurysm or pseudoaneurysm, accessory spleen vs., 549
Aneurysmal dilation of small bowel lumen, differential diagnosis, 343
Angioedema, intestinal (angioneurotic), 380–381
differential diagnosis, 381
ischemic enteritis vs., 413
Angiomyolipoma and lipoma, hepatic, 798–801
differential diagnosis, 799
postoperative changes of liver vs., 746
Angiomyolipoma, splenic
CT findings, 575
key concepts, 575
MR findings, 576
ultrasonographic findings, 576
Angiosarcoma, hepatic, 838–841
associated abnormalities, 839
differential diagnosis, 839
hepatic cavernous hemangioma vs., 774
undifferentiated sarcoma vs., 843
Angiosarcoma, splenic
CT findings, 576
key concepts, 575
MR findings, 576
ultrasonographic findings, 576
Annular pancreas, 981
differential diagnosis, 981
duodenal carcinoma vs., 335
malrotation of small intestine associated with, 349
pancreas divisum vs., 984
Anticentromere antibodies, associated with HLA-DR1, 2, and 5: esophageal scleroderma associated with, 190
Antitopoisomerase 1 antibodies, associated with HLA-DR5
esophageal scleroderma associated with, 190
intestinal scleroderma associated with, 378
Antral gastritis, 245
Antrectomy, gastric bezoar associated with, 261
Aorta, small: CT findings in systemic hypotension, 35
Aortic aneurysm
abdominal, aortoenteric fistula associated with, 329
aortoenteric fistula associated with, 329
superior vena cava obstruction vs., 37
Aortic dissection, superior vena cava obstruction vs., 37
Aortoenteric fistula, 328–329
APC gene deletion, colon carcinoma associated with, 526
APC gene mutation
desmoid neoplasms associated with, 38
duodenal polyps associated with, 332
familial polyposis and Gardner syndrome associated with, 536
gastric polyps associated with, 288
Appendagitis, epiploic, 498–501
differential diagnosis, 499–500
intussusception associated with, 400
omental infarct vs., 89
Appendiceal carcinoids, 439
Appendiceal carcinoma, mesenteric adenitis and enteritis vs., 35
Appendiceal mucocele, 484–487
appendiceal tumors vs., 540
associated abnormalities, 485
differential diagnosis, 485
Appendiceal tumors, 540
appendicitis vs., 480
differential diagnosis, 540
mucin-producing tumor, pseudomyxoma peritonei associated with, 150
mucocele of appendix vs., 485
Appendicitis, 478–483
appendiceal tumors vs., 540
differential diagnosis, 480
epiploic appendagitis vs., 499
Meckel diverticulum vs., 353
mesenteric adenitis and enteritis vs., 35
staging, grading, & classification, 480
transient hepatic attenuation or intensity difference associated with, 692
APUD cells, pancreatic neuroendocrine tumors associated with, 1056
Apudomas, intestinal carcinoid tumor associated with, 440
Arsenicals, hepatic angiosarcoma associated with, 839
Arterial thromboses, Crohn disease associated with, 372
Arterioportal shunt, 696–699
associated abnormalities, 698
classification, 698
differential diagnosis, 697
Arteriosclerotic disease, ischemic colitis associated with, 476
Arteriovenous fistula, traumatic intrahepatic: hereditary hemorrhagic telangiectasia vs., 727
Arteriovenous malformations, pulmonary: hereditary hemorrhagic telangiectasia associated with, 728
Arteriovenous shunting
localized, focal nodular hyperplasia associated with, 782
within tumors, hereditary hemorrhagic telangiectasia vs., 727
Arthritis, Crohn disease associated with, 372
Artifacts
biliary MRCP artifacts and pitfalls, 863–864
gastric ulcer vs., 249–250
splenic metastases and lymphoma vs., 580
streaming, portal vein occlusion vs., 702
Asbestos-related pleural and parenchymal lung disease, abdominal mesothelioma associated with, 142
Ascariasis
intestinal parasites and infestation associated with, 359
pancreatobiliary. See See Pancreatobiliary parasites.
Ascending cholangitis, 882–885
associated abnormalities, 884
autoimmune (IgG4) cholangitis vs., 932
biliary IPMN vs., 968
Caroli disease vs., 872
differential diagnosis, 883
hepatic pyogenic abscess associated with, 601
ischemic bile duct injury vs., 944
pancreatobiliary parasites vs., 887
primary sclerosing cholangitis vs., 936
recurrent pyogenic cholangitis vs., 879
risk factors, 884
staging, grading, & classification, 884
Ascites, 84–87
benign, peritonitis vs., 77
complication of small intestine transplantation, 432
differential diagnosis, 86
high-attenuation (hypodense), differential diagnosis, 68
infectious, ascites vs., 86
malignant, ascites vs., 86
Ménétrier disease associated with, 257
other causes, portal hypertension and varices vs., 116
transudative, 85
Asplenia, 550–553. See also See also Polysplenia.
associated syndromes, 550
differential diagnosis, 552
imaging, 551–552
malrotation of small intestine associated with, 349
Asymmetric fatty infiltration of pancreatic head, pancreatic ductal carcinoma vs., 1036
Asymmetric fatty lobulation of pancreas, 986–987
Ataxia telangiectasia, pancreatic ductal carcinoma associated with, 1036
Atherosclerosis, aortoenteric fistula associated with, 329
Atrophic gastritis
chronic, gastric polyps associated with, 288
gastric carcinoma associated with, 300
imaging findings, 245
Atypical and rare pancreatic tumors, 1068–1071
Auerbach plexus, myenteric ganglia in, idiopathic abnormality of: esophageal achalasia associated with, 182
Autoimmune (IgG4) cholangitis, 930–933
AIDS cholangiopathy vs., 891
associated abnormalities, 932
differential diagnosis, 931–932
hepatic inflammatory pseudotumor vs., 803
primary sclerosing cholangitis vs., 936
staging, grading, & classification, 932
Autoimmune disorders
hepatic inflammatory pseudotumor associated with, 804
intestinal scleroderma associated with, 378
nodular regenerative hyperplasia associated with, 664
pneumatosis of intestine vs., 395
primary biliary cirrhosis associated with, 654
sarcoidosis associated with, 30
sclerosing mesenteritis associated with, 82
Autoimmune hepatitis, 630–631
alcoholic liver disease vs., 627
differential diagnosis, 631
hepatic injury from toxins vs., 639