*LIVER IMAGING INTERPRETATION* 1.HEPATOMEGALY -ABSCESS -CIRRHOSIS -CYST (E.G., CONGENITAL, TRAUMATIC, HYDATID) -FATTY INFILTRATION -HEPATITIS -HEPATOMA -METASTASIS -OTHER PRIMARY NEOPLASM-BENIGN OR MALIGNANT -RIEDEL'S LOBE 2.MASSIVE HEPATOMEGALY -ABSCESS -AMYLOIDOSIS -BILIARY CIRRHOSIS -CONGESTIVE HEART FAILURE -FATTY INFILTRATION -HEMOCHROMATOSIS -LEUKEMIA -LYMPHOMA -METASTATIC DISEASE -POLYCYSTIC LIVER DISEASE 3.SOLITARY DEFECT IN THE LIVER -ABSCESS -ANY OF FALSE-POSITIVE CAUSES -CYST -HEMANGIOMA -HEPATOMA -METASTASES 4.PROMINENT PORTA HEPATIS -CIRRHOSIS -DILATED BILE DUCTS -FIBROSIS -METASTASIS -NORMAL VARIANT 5.MULTIPLE COLD DEFECTS -ABSCESS -ANY OF FALSE-POSITIVE CAUSES -BILIARY OBSTRUCTION -METASTASES -POLYCYSTIC DISEASE -PSEUDOTUMOR IN CIRRHOSIS 6.COLD DEFECT IN A PEDIATRIC PATIENT -ABSCESS (E.G., CHRONIC GRANULOMATOUS DISEASE, NEUTROPENIA) -BENIGN TUMOR (E.G., HEMANGIOMA, HEMANGIOENDOTHELIOMA) -CAROLI'S DISEASE -CHOLEDOCHAL CYST -CIRRHOSIS (E.G., CYSTIC FIBROSIS) -CYST (E.G., POLYCYSTIC DISEASE) -HEPATOMA -METASTASIS (E.G., NEUROBLASTOMA, WILMS', LYMPHOMA) -POSTTRAUMATIC (E.G., HEMATOMA, FOLLOWING SURGERY OR RADIATION) -PSEUDODEFECT -SCLEROSING CHOLANGITIS 7.FALSE-POSITIVE DEFECT IN THE LIVER -ANATOMIC VARIATION OF LIVER SIZE, SHAPE, AND POSITION -BREAST SHADOW -GALLBLADDER FOSSA -PORTA HEPATIS -RIB IMPRESSION -RIEDEL'S LOBE -THIN LEFT LOBE 8.FOCAL INCREASED LIVER ACTIVITY (HOT SPOT) -BUDD-CHIARI SYNDROME -CIRRHOSIS (REGENERATING NODULES) -FOCAL NODULAR HYPERPLASIA 9.LACK OF LIVER UPTAKE OF SULFUR COLLOID -ADVANCED CIRRHOSIS -FAMILIAL ERYTHROPHAGOCYTIC LYMPHOHISTIOCYTOSIS -INTESTINAL BYPASS -IRRADIATION (USUALLY NOT COMPLETE) -SCHISTOSOMA MANSONI INFESTATION -SEVER HEPATITIS -TUBERCULOSIS 10. SULFUR COLLOID UPTAKE IN THE KIDNEYS -CONGESTIVE HEART FAILURE -RENAL TRANSPLANT-REJECTION 11.SULFUR COLLOID UPTAKE BY THE LUNGS -CHILDHOOD (FAINT UPTAKE IS NORMAL) -CIRRHOSIS -HYPERCOAGULABLE STATE -MALIGNANCY (E.G., METASTASES, MALIGNANT LYMPHOMA) -RADIOPHARMACEUTICAL PREPARATION 12. DISPARATE IMAGING WITH SULFUR COLLOID AND IDA: DECREASED ACTIVITY WITH S.C. AND NORMAL OR INCREASED ACTIVITY IN IMINODIACETIC ACID (IDA) IMAGE -CIRRHOSIS -DILATED GALLBLADDER -DILATED HEPATIC DUCT -FOCAL NODULAR HYPERPLASIA -HEPATIC ADENOMA -HEPATOMA -INTRAHEPATIC GALLBLADDER 13.INHOMOGENEOUS UPTAKE -CIRCULATORY CONGESTIVE HEART FAILURE (ACUTE MYOCARDIAL INFARCTION, CARDIOMYOPATHY, VALVULAR DISEASE) CONSTRUCTIVE PERICARDITIS EXTRINSIC COMPRESSION HEPATIC ARTERY OBSTRUCTION HIGH OUTPUT STATES (E.G., THYROTOXICOSIS,PAGET'S DISEASE, BERIBERI) HYPOVOLEMIA INCREASED RED CELL DESTRUCTION (E.G., SPHEROCYTOSIS, THALASSEMIA MAJOR) INFERIOR VENA CAVA AND HEPATIC VEIN OBSTRUCTION PORTAL OR SPLENIC VEIN OBSTRUCTION (E.G.,CIRRHOSIS, SS DISEASE,ETC.) PULMONARY EMBOLISM PULMONARY HYPERTENSION -INFILTRATIVE ACTINOMYCOSIS ALCOHOLIC HEPATITIS ALPHA-1-ANTITRYPSIN DEFICIENCY AMYLOIDOSIS BRUCELLOSIS CELIAC DISEASE CHRONIC ACTIVE HEPATITIS CHRONIC VITAMIN A INTOXICATION DRUGS (E.G., PHENOTHIAZINES, INH, ADRIAMYCIN, PHENOBARBITAL, TESTOSTERONE, ESTROGENS, OXACILLIN, TETRACYCLINE, WARFARIN) DUBIN-JOHNSON SYNDROME EXTRAMEDULLARY HEMATOPOIESIS (E.G., MYELOFIBROSIS WITH: MYELOID METAPLASIA) FATTY INFILTRATION (E.G., DIABETES, MALABSORPTION SYNDROMES, HYPERALIMENTATION) GAUCHER'S DISEASE HEMOCHROMATOSIS HISTOPLASMOSIS HYPEREOSINOPHILIC SYNDROMES HYPERGAMMAGLOBULINEMIA IDIOPATHIC CIRRHOSIS INFECTIOUS MONONUCLEOSIS LEAD POISONING LESCHMANIASIS LEUKEMIA (E.G., CHRONIC MYELOCYTIC,LYMPHOCYTIC, HAIRY CELL) LIVER TRANSPLANT LYMPHOMA, LYMPHOSCAROMA, HODGKIN'S DISEASE MALARIA METASTASIS NIEMANN-PICK DISEASE POLYARTERITIS NODOSA POLYCYSTIC LIVER DISEASE POLYCYTHEMIA VERA PRIMARY BILIARY CIRRHOSIS SARCOIDOSIS SCHISTOSOMIASIS SYPHILIS THROMBOCYTHEMIA ULCERATIVE COLITIS VIRAL HEPATITIS WALDENSTROM'S MACROGLOBULINEMIA WILSON'S DISEASE 14. DISPARATE IMAGING WITH SULFUR COLLOID AND IDA: NORMAL ACTIVITY WITH S.C. AND DECREASED ACTIVITY IN IDA IMAGE -HEPATITIS 15. WIDENED RENAL FOSSA -HEPATIC ABSCESS -HEPATIC TUMOR (PRIMARY OR SECONDARY) -HYDRONEPHROSIS -HYPERNEPHROMA -POLYCYSTIC RENAL DISEASE -PERINEPHRIC ABSCESS -RETROPERITONEAL HEMATOMA 16.EARLY OR INCREASED FLOW TO THE LIVER -CHRONIC LIVER DISEASE -HEPATOMA -LYMPHOMA -METASTATIC DISEASE 17.FOCALLY DECREASED FLOW (SOLITARY OR MULTIPLE) -ABSCESS (AMEBIC OR PYOGENIC) -CYST (ANY ETIOLOGY) -EXTRINSIC MASS -HEMANGIOMA -HEMATOMA -HEPATOMA SOME METASTASES 18.LIVER-LUNG SCAN SEPARATION BETWEEN LIVER AND LUNG ACTIVITY -RIGHT LOWER LOBE PNEUMONIA, ATELECTASIS, OR PLEURAL EFFUSION -SUBPHRENIC ABSCESS *LIVER & SPLEEN CLINICAL APPLICATIONS* * LIVER-USEFUL TIPS * *HEPATOBILIARY IMAGING INTERPRETATION* *SPLEEN IMAGING INTERPRETATION* * LIVER & SPLEEN * |