CT & MRI of the Abdomen and Pelvis: A Teaching File

Contents

CASE 1: Splenic lymphoma 2
CASE 2: Infected pancreatic necrosis 3
CASE 3: Hepatic schistosomiasis 4
CASE 4: Adenocarcinoma of the rectum 5
CASE 5: Gastrointestinal stromal tumor 6
CASE 6: Nabothian cysts 8
CASE 7: Leiomyosarcoma of IVC 10
CASE 8: Neurofibromatosis type 1 11
CASE 9: Peutz-Jeghers syndrome 13
CASE 10: Transient hepatic attenuation difference due to breast cancer metastasis 14
CASE 11: Hepatoblastoma 15
CASE 12: Arteriovenous malformation 17
CASE 13: Mesenteric cyst 18
CASE 14: External anal sphincter atrophy 19
CASE 15: Perirenal hemorrhage 21
CASE 16: Acinar cell carcinoma 22
CASE 17: Tubo-ovarian abscess 23
CASE 18: Oriental cholangiohepatitis (recurrent pyogenic cholangitis) 25
CASE 19: Obstructive ureterolithiasis 26
CASE 20: Ampullary carcinoma 28
CASE 21: Accessory spleen 30
CASE 22: Small bowel obstruction secondary to an adhesion 32
CASE 23: Superior vena cava obstruction 34
CASE 24: Primary hemochromatosis 36
CASE 25: Mesenteric metastasis from carcinoid tumor 37
CASE 26: Hepatocellular carcinoma 39
CASE 27: Adenoma malignum 40
CASE 28: Upper tract urothelial carcinoma 42
CASE 29: Combined-type intraductal papillary mucinous neoplasm (IPMN) 43
CASE 30: Metastatic colon cancer 44
CASE 31: Splenic hemangiomatosis 45
CASE 32: Biliary cystadenocarcinoma 46
CASE 33: Chronic lithium nephropathy 47
CASE 34: Non-hyperfunctioning endocrine pancreatic tumor 48
CASE 35: Mature ovarian teratoma 49
CASE 36: Neurofibromatosis type 1 50
CASE 37: Splenic epidermoid cyst 51
CASE 38: Hemangioma 52
CASE 39: Amyand hernia 53
CASE 40: Pancreas divisum 54
CASE 41: Zollinger-Ellison syndrome 55
CASE 42: Graft-versus-host disease of the bladder 56
CASE 43: Epiploic appendagitis 57
CASE 44: Lipid-rich adrenal adenoma 58
CASE 45: Epithelial hemangioendothelioma 59
CASE 46: Splenic histoplasmosis 60
CASE 47: Tamoxifen-induced uterine changes 61
CASE 48: Confluent hepatic fibrosis 63
CASE 49: Gallbladder melanoma 64
CASE 50: Colocolic intussusception due to large bowel metastasis from melanoma 65
CASE 51: Mesenteric teratoma 66
CASE 52: Acute hepatitis B 67
CASE 53: Splenic fracture 68
CASE 54: Serous cystadenocarcinoma 69
CASE 55: Ruptured renal artery aneurysm 70
CASE 56: Hematoma 71
CASE 57: Chronic pancreatitis 72
CASE 58: Perforated duodenal bulb ulcer with pneumoperitoneum 73
CASE 59: Cerebrospinal fluid nonpancreatic pseudocyst 74
CASE 60: Rhabdomyosarcoma (pleomorphic) 75
CASE 61: Autosomal dominant polycystic disease 77
CASE 62: Hepatocellular adenoma 78
CASE 63: Acute appendicitis 79
CASE 64: Acute adrenal hemorrhage 80
CASE 65: Pancreatic walled off necrosis with interval bleed 81
CASE 66: Aortoduodenal fistula 82
CASE 67: Biliary cystadenoma 83
CASE 68: Brenner tumor with ipsilateral cystadenoma 84
CASE 69: Perirenal abscess 85
CASE 70: Extraperitoneal gas due to rectal perforation 86
CASE 71: Metastasis from breast cancer 87
CASE 72: Ovarian fibroma/fibrothecoma 88
CASE 73: Skin metastases from melanoma 89
CASE 74: Macrocystic variant of the serous pancreatic adenoma 90
CASE 75: Posttraumatic cyst 91
CASE 76: Crohn colitis 92
CASE 77: Chylous cyst (nonpancreatic pseudocyst) 94
CASE 78: Testicular infarct 95
CASE 79: Hepatic congestion from right-sided heart failure 96
CASE 80: Omental infarct 97
CASE 81: Cyst of the canal of Nuck 98
CASE 82: Cushing syndrome due to adrenal hyperplasia 100
CASE 83: Cholangiocarcinoma (Klatskin tumor) 101
CASE 84: Radiation enterocolitis 102
CASE 85: Chronic renal transplantation rejection 104
CASE 86: Lipoma 106
CASE 87: Cystic fibrosis with meconium ileus equivalent 107
CASE 88: Sclerosing angiomatoid nodular transformation (SANT) 108
CASE 89: Tuberculosis peritonitis and omentitis 109
CASE 90: Primary sclerosing cholangitis (PSC) 110
CASE 91: Fibroepithelial polyp 111
CASE 92: Azygous continuation of the inferior vena cava 113
CASE 93: Autoimmune pancreatitis 114
CASE 94: Ovarian vein thrombophlebitis due to adjacent diverticulitis 115
CASE 95: Perinephric metastases from melanoma 117
CASE 96: Acute graft-versus-host disease 118
CASE 97: Splenic angiosarcoma with liver metastases and hemoperitoneum 119
CASE 98: Annular pancreas 120
CASE 99: Emphysematous gastritis 121
CASE 100: Calyceal diverticulum 122
CASE 101: Pheochromocytoma 123
CASE 102: Ventriculoperitoneal shunt migration with cerebrospinal fluid pseudocyst formation 124
CASE 103: Diffuse angiosarcoma 126
CASE 104: Gallbladder perforation 127
CASE 105: Intense adrenal gland enhancement in a patient in septic shock 128
CASE 106: Desmoid tumor 129
CASE 107: Ovarian torsion 130
CASE 108: Pancreatic ductal adenocarcinoma with SMV thrombosis 132
CASE 109: Malignant peritoneal mesothelioma 133
CASE 110: Henoch-Schönlein purpura 135
CASE 111: Hepatic candidiasis 136
CASE 112: Enterovaginal fistula 137
CASE 113: Glomerulocystic kidney disease 138
CASE 114: Liposarcoma 139
CASE 115: Walled-off hemorrhagic pancreatic necrosis post acute necrotizing pancreatitis 140
CASE 116: Serous cystadenofibroma 141
CASE 117: Ascending cholangitis and liver abscess in a patient with primary sclerosing cholangitis 142
CASE 118: Angiomyolipoma 143
CASE 119: Right obturator hernia causing small bowel obstruction 145
CASE 120: Pseudoaneurysm of the splenic artery from pancreatitis 146
CASE 121: Multifocal hepatocellular carcinoma with extension into portal vein 148
CASE 122: Pyometra 149
CASE 123: Mucocele of the appendix 150
CASE 124: Myelofibrosis 151
CASE 125: Hepatic fascioliasis 152
CASE 126: Noncavitary unicornuate uterus 153
CASE 127: Lung cancer metastases 155
CASE 128: Intrapancreatic accessory spleen 156
CASE 129: Desmoid tumors in a patient with familial adenomatous polyposis syndrome 157
CASE 130: Endometriosis with endometrioma 158
CASE 131: Cryoablated renal cell carcinoma 159
CASE 132: Acute Budd-Chiari syndrome 160
CASE 133: Transitional cell carcinoma originating in a bladder diverticulum 161
CASE 134: Non-Hodgkin lymphoma 163
CASE 135: Giant hemangioma of the liver 164
CASE 136: Renal lymphoma 165
CASE 137: Epidermal inclusion cyst 166
CASE 138: Gastric adenocarcinoma 168
CASE 139: Portal vein thrombosis and hepatic abscesses 169
CASE 140: Autosomal dominant polycystic kidney disease with acute hemorrhage in a cyst 170
CASE 141: Breast metastasis 171
CASE 142: Amebic abscess 172
CASE 143: Retroperitoneal hemorrhage 173
CASE 144: Choledocholithiasis 174
CASE 145: Acute interstitial pancreatitis 175
CASE 146: Ulcerative colitis 176
CASE 147: Perinephric lymphoma 177
CASE 148: Spigelian hernia 178
CASE 149: Intrahepatic portosystemic shunt (hepatic varix) 179
CASE 150: Focal nodular hyperplasia 180
CASE 151: Mature ovarian teratoma 181
CASE 152: Transitional cell carcinoma 182
CASE 153: Extraperitoneal bladder rupture 183
CASE 154: Hemosiderosis in a patient with sickle cell anemia 185
CASE 155: Nonhyperfunctioning endocrine pancreatic tumor 187
CASE 156: Splenic infarcts due to pulmonary arteriovenous fistula (Sturge-Weber syndrome) 188
CASE 157: Pyogenic abscesses of the liver 189
CASE 158: Uterine lipoleiomyoma 191
CASE 159: Papillary renal carcinoma 192
CASE 160: SVC thrombosis with hot quadrate lobe. 193
CASE 161: Crohn disease of the ileum 194
CASE 162: Mesenteric ischemia with pneumatosis and portal venous air 196
CASE 163: Splenic hamartoma 197
CASE 164: Endometrial cancer 198
CASE 165: Encapsulated hepatocellular carcinoma 200
CASE 166: Splenic lymphoma with venous invasion 201
CASE 167: Transitional cell carcinoma 202
CASE 168: Bilateral adrenal metastases 204
CASE 169: Uterine leiomyomas 206
CASE 170: Hepatic veno-occlusive disease 208
CASE 171: Pneumobilia 209
CASE 172: Rectal adenocarcinoma 210
CASE 173: Adenomyosis and two uterine leiomyomas 212
CASE 174 Ruptured fornix due to obstructive ureteral stones 214
CASE 175: Wilson disease 216
CASE 176: Medullary nephrocalcinosis 217
CASE 177: Skenes gland cyst 219
CASE 178: Abscess 210
CASE 179: Cavernous transformation of the portal vein with pericholedochal varices 221
CASE 180: Dropped gallstone with abscess formation 222
CASE 181: Diverticulitis 223
CASE 182: Internal small bowel hernia 224
CASE 183: Hemorrhage from an angiomyolipoma 226
CASE 184: AML with minimal fat 227
CASE 185: Autosplenectomy from sickle cell disease 229
CASE 186: Reflux nephropathy 230
CASE 187: Multiple hepatic angiomyolipomas in a patient with tuberous sclerosis 232
CASE 188: Cecal volvulus 233
CASE 189: Peritoneal and metastatic omental caking in a patient with colon cancer 234
CASE 190: Langerhans cell histiocytosis 235
CASE 191: Oncocytoma 236
CASE 192: Gartner duct cyst 237
CASE 193: Cystic liver metastasis from mucinous adenocarcinoma of the colon 239
CASE 194: Colonic amebiasis 240
CASE 195: Dysplastic nodule 241
CASE 196: IVC thrombosis 242
CASE 197: Hepatic candidiasis 244
CASE 198: Main-duct intraductal papillary mucinous neoplasm (IPMN) 246
CASE 199: Breast cancer metastases to proximal colon and distal small bowel 248
CASE 200: Renal abscess complicating pyelonephritis 250
CASE 201: Krukenberg tumors 251
CASE 202: Pseudocirrhosis in metastatic breast cancer 253
CASE 203: Uterine carcinosarcoma 254
CASE 204: Retroperitoneal fibrosis 255
CASE 205: Calcified metastases of breast carcinoma after chemotherapy 256
CASE 206: Benign colonic pneumatosis due to mucosal denudation (chemotherapy effect) 257
CASE 207: Splenic hemangioma 258
CASE 208: Slerosing mesenteritis (retractile mesenteritis) 259
CASE 209: Orthotopic ureterocele 260
CASE 210: Microcystic serous pancreatic adenoma 262
CASE 211: Atypical hemangioma with cystic degeneration 263
CASE 212: HCC with fatty metamorphosis 264
CASE 213: Splenic artery aneurysm 265
CASE 214: Squamous cell carcinoma in a urethral diverticulum 266
CASE 215: Renal infarct 267
CASE 216: Hepatocellular carcinoma in a cirrhotic liver 268
CASE 217: Bile duct necrosis 269
CASE 218: Splenic sarcoidosis 270
CASE 219: Lymphangioma 271
CASE 220: Sister Mary Joseph nodule 272
CASE 221: Multiple liver metastases from renal cancer 273
CASE 222: Mucinous cystic neoplasm 275
CASE 223: Hypertrophic gastropathy 276
CASE 224: Hematoma 277
CASE 225: Menetrier disease 278
CASE 226: Pyogenic liver abscess 279
CASE 227: Solid and papillary epithelial neoplasm 280
CASE 228: Mucinous cystadenoma 281
CASE 229: Lipid-rich adrenal adenoma 282
CASE 230: Congenital hepatic fibrosis 283
CASE 231: Nonalcoholic steatohepatitis 284
CASE 232: Colonic lipoma 285
CASE 233: Polysplenia 287
CASE 234: Autosomal recessive polycystic kidney disease 288
CASE 235: Aggressive angiomyxoma 289
CASE 236: Acute left renal vein thrombosis 290
CASE 237: Adrenocortical carcinoma 292
CASE 238: Primary renal carcinoid in a horseshoe kidney 294
CASE 239: Infantile hemangioendotheliomas 295
CASE 240: Pancreatic cystosis in von Hippel-Lindau disease 296
CASE 241: Pseudomembranous colitis 297
CASE 242: Uterus didelphys 299
CASE 243: Cervical carcinoma (stage IV) 301
CASE 244: Undifferentiated embryonal sarcoma 303
CASE 245: Omental sarcoma 304
CASE 246: Cystic duct stump leak 305
CASE 247: Rhabdomyolysis caused by heroin overdose 306
CASE 248: Hemosiderosis 307
CASE 249: Small bowel Crohn disease (acute or chronic) with bezoar formation 308
CASE 250: Abdominal aortic aneurysm rupture 310
CASE 251: Pelvic lymphoma producing a teardrop-shaped bladder 311
CASE 252: Post-transplantation lymphoproliferative disorder 312
CASE 253: Heterotaxy syndrome 313
CASE 254: Echinococcal cyst (hydatid cyst) 314
CASE 255: Focal fatty change 315
CASE 256: Splenomegaly due to portal hypertension 316
CASE 257: Cystic nephroma 317
CASE 258: Septate uterus 318
CASE 259: Lipid-poor adenoma 320
CASE 260: Hepatocellular adenoma with central bleed 321
CASE 261: Solid pseudopapillary tumor of the pancreas (SPT) 322
CASE 262: Hepatic infarction due to right portal vein and right hepatic artery thrombosis 323
CASE 263: Diverticular abscess 324
CASE 264: Small bowel hematoma 326
CASE 265: Splenic sarcoidosis 328
CASE 266: Transitional cell carcinoma of the ureter and bladder 329
CASE 267: Malignant struma ovarii (papillary thyroid carcinoma, follicular variant) 332
CASE 268: Retroperitoneal schwannoma 333
CASE 269: Hepatic laceration 334
CASE 270: Mucinous cystic neoplasm 336
CASE 271: Angiomyolipomas in a patient with tuberous sclerosis 338
CASE 272: Prostate cancer (adenocarcinoma) 339
CASE 273: Sarcoidosis 341
CASE 274: Chronic pancreatitis 342
CASE 275: Splenic cryptococcosis 344
CASE 276: Peritoneal abscess secondary to perforated viscus 345
CASE 277: Complete uterine prolapse 346
CASE 278: Solitary fibrous tumor of the bladder 348
CASE 279: Hemorrhagic degeneration of a uterine leiomyoma 350
CASE 280: Adrenal myelolipoma 352
CASE 281: Chronic pancreatitis 354
CASE 282: Gallbladder adenocarcinoma with liver invasion 355
CASE 283: Sigmoid endometriosis 356
CASE 284: Acute cortical necrosis 358
CASE 285: Bilateral pheochromocytomas in a patient with neurofibromatosis type 1 359
CASE 286: Benign hyperdense cyst 360
CASE 287: Lymphoma of the liver 361
CASE 288: Carcinoid of the terminal ileum 362
CASE 289: Lymphoma 363
CASE 290: Wilms tumor with hemorrhage 364
CASE 291: Burkitt lymphoma of the ovaries 366
CASE 292: Subcapsular hematoma of the liver 368
CASE 293: Side-branch intraductal papillary mucinous neoplasm (IPMN) 369
CASE 294: Penile cancer (invasive squamous cell carcinoma) 370
CASE 295: Neuroblastoma 372
CASE 296: Fat necrosis 374
CASE 297: Amyloidosis of the small bowel 375
CASE 298: Pyogenic splenic abscess 376
CASE 299: Intraperitoneal abscess 377
CASE 300: Paraganglioma of the organs of Zuckerkandl 379
CASE 301: Hematocolpos (secondary to radiation with resultant vaginal stenosis) 380
CASE 302: Plexiform neurofibromatosis involving the liver 382
CASE 303: Epiploic appendagitis 383
CASE 304: Closed-loop obstruction 385
CASE 305: Metastatic renal cell carcinoma 387
CASE 306: Jejuno-jejunal intussusception 388
CASE 307: Bartholin gland cysts 389
CASE 308: Ciliated hepatic foregut cyst 391
CASE 309: Mucinous cystadenocarcinoma 392
CASE 310: Afferent loop syndrome due to peritoneal metastases 393
CASE 311: Retroperitoneal extramedullary hematopoiesis 394
CASE 312: Small bowel ischemia due to SMV thrombosis 395
CASE 313: Coloenteric lymphoma 397
CASE 314: Diffuse fatty liver 398
CASE 315: Hyperdense liver due to amiodarone 399
CASE 316: Radiation injury to liver 400
CASE 317: Autosomal dominant polycystic kidney disease 401
CASE 318: Bicornuate unicollis uterus 402
CASE 319: Pancreatoblastoma 403
CASE 320: Bland portal vein thrombosis 404
CASE 321: Pancreatic laceration 405
CASE 322: Testicular cancer (nonseminomatous germ cell tumor) 406
CASE 323: Fibrolamellar hepatocellular carcinoma 408
CASE 324: GI stromal tumor of the stomach 409
CASE 325: Splenic infarcts 411
CASE 326: Clear cell renal carcinoma with tumor thrombus 412
CASE 327: Endometrial polyp 413
CASE 328: Anterior rectocele 415
CASE 329: Cystic renal cell carcinoma 417
CASE 330: Malignant solitary fibrous tumor 418
CASE 331: Hydatid cyst 420
CASE 332: Microcystic serous pancreatic adenoma 421
CASE 333: Metastatic testicular cancer (mixed nonseminomatous germ cell tumor) 423
CASE 334: Renal trauma 425
CASE 335: Pelvic congestion syndrome 426
CASE 336: Metastasis from lung cancer 428
CASE 337: Liver metastasis from gastric adenocarcinoma 429
CASE 338: Pancreatic lymphoma 430
CASE 339: Lymphoma of the ileum 431
CASE 340: Terminal ileitis due to Crohn disease 433
CASE 341: Hemoperitoneum due to ruptured hepatocellular carcinoma 434
CASE 342: Xanthogranulomatous pyelonephritis 435
CASE 343: Epidermoid cyst 436
CASE 344: Focal fatty sparing within a steatotic liver 438
CASE 345: Hemosiderosis 439
CASE 346: Renal cell carcinoma 440
CASE 347: Graft-versus-host disease 441
CASE 348: Adrenal pseudocyst 442
CASE 349: Prune-belly syndrome 444
CASE 350: Cirrhosis 445
CASE 351: Pancreatic ductal adenocarcinoma with superior mesenteric vein occlusion 447
CASE 352: Acute bacterial pyelonephritis 448
CASE 353: Cirrhosis with fatty liver 449
CASE 354: Focal gallbladder adenomyomatosis 451
CASE 355: Hepatic epithelioid hemangioendothelioma (diffuse form) 452
CASE 356: Non-Hodgkin lymphoma of the stomach 453
CASE 357: Intrahepatic cholangiocarcinoma 454
CASE 358: Bile duct hamartomas 455
CASE 359: Insulinoma 456
CASE 360: Pelvic kidney 457
CASE 361: Pseudomyxoma peritonei 459
CASE 362: Perforated Meckel diverticulitis 460
CASE 363: Liposarcoma of the spermatic cord 461
CASE 364: Non-tropical sprue (celiac disease) 462
CASE 365: Hematoma 463
CASE 366: Acute cholecystitis with gallbladder perforation and abscess formation 464
CASE 367: Multiple gastrinomas in a patient with multiple endocrine neoplasia type I syndrome 466
CASE 368: Tuberculosis of the cecum 467
CASE 369: Urethral diverticulum 468
CASE 370: Right inguinal hernia causing small bowel obstruction 469
CASE 371: Cirrhosis with hepatocellular carcinoma and portal hypertension leading to massive collateral vessel
formation including gastric and pelvic varices and a splenorenal shunt 471
CASE 372: Chronic cholecystitis 472
CASE 373: Pancreatic ductal adenocarcinoma 473
CASE 374: Cystic renal cell carcinoma with perinephric hematoma 474
CASE 375: Retained products of conception 475
CASE 376: Idiopathic adrenal hemorrhage 477
CASE 377: Focal nodular hyperplasia 478
CASE 378: Fournier gangrene 479
CASE 379: Groove pancreatitis 481
CASE 380: Caroli disease (diffuse form) 482
CASE 381: Spermatic cord lipoma 484
CASE 382: Emphysematous pyelitis 486
CASE 383: Mycobacterium avium-intracellulare (MAI) lymphadenopathy 487
CASE 384: Focal Caroli disease 489
CASE 385: Duodenal adenocarcinoma 491
CASE 386: Gallstone ileus 493
CASE 387: Splenic subcapsular hematoma 494
CASE 388: Crossed fused renal ectopia 495
CASE 389: Pseudoaneurysm of common hepatic artery 496
CASE 390: Mesenchymal hamartoma 497
CASE 391: Mucinous cystic neoplasm developing in a pseudocyst 499
CASE 392: Ischemic colitis 501
CASE 393: Gaucher disease 502
CASE 394: Ureteropelvic junction obstruction 503
CASE 395: Anal fistula 504
CASE 396: Mixed hiatal hernia 506
CASE 397: Paralytic poliomyelitis 508
CASE 398: Porcelain gallbladder 509
CASE 399: Colonic adenomatous polyp 510
CASE 400: Subcapsular splenic hematoma 512
CASE 401: Sclerosing mesenteritis (mesenteric panniculitis) 513
CASE 402: Midgut volvulus 514
CASE 403: Bile duct carcinoma in a type I choledochal cyst 516
CASE 404: Gamna-Gandy bodies 518
CASE 405: Right hemorrhagic ovarian cysts 519
CASE 406: Adrenocortical carcinoma 520
CASE 407: Splenic spindle cell sarcoma 521
CASE 408: Right hepatic artery pseudoaneurysm after liver biopsy 522
CASE 409: Nonhyperfunctioning pancreatic endocrine tumor 523
CASE 410: Bile duct cyst 524
CASE 411: Acute appendicitis in pregnancy 525
CASE 412: Endometriosis (adnexal endometrioma and hematosalpinx) 526
CASE 413: Urachal carcinoma 527