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</html>";s:4:"text";s:29256:"31-32).   The hepatic veins are seen routinely on digital subtraction angiography but the portal vein is not normally visualised on an arteriogram unless there has been flow reversal or an arterioportal shunt is present. The hepatic parenchyma has an even texture with a reflectivity just above adjacent renal cortex. On US capillary haemangiomas are typically well-defined, lobular, homogeneous lesions with increased echo reflectivity (Fig. All rights reserved. A teacher walks into the Classroom and says If only Yesterday was Tomorrow Today would have been a Saturday Which Day did the Teacher make this Statement? Variations of the hepatic arterial supply are important for radiologists and hepatic surgeons. The good news is that fatty liver disease can be reversedand even curedif patients take action, including a 10% sustained loss in body weight. Increased liver echogenicity at ultrasound examination reflects degree of steatosis but not of fibrosis in asymptomatic patients with mild/moderate abnormalities of liver transaminases. US detects hepatic steatosis through increased parenchymal reflectivity, which obscures the portal vein margins (Fig. Medications. malignancies (colon carcinoma, ovarian carcinoma), duodenal perforation at ERCP and in patients with colitis following a barium enema. The authors report no conflicts of interest. CT arteriography (CTA) and CT arterioportography (CTAP) using direct hepatic artery injection during CT examination and Lipiodol CT are now rarely used. Etiology Diffusely increased attenuation iron deposition hemosiderosis thalassemia hemochromatosis: one paper suggests investigation for iron overload if unenhanced liver density is &gt;75 HU 9 copper deposition Liver attenuation was analyzed by automatic segmentation, where the values less than 40 HU were considered pathological. (a) B-mode image. Viral hepatitis, including hepatitis B and hepatitis C, remains a major public health concern as it may lead to liver failure and primary liver cancer, often detected late. Methods used for liver evaluation. The caudate lobe or segment I has an autonomous blood supply from both left and right branches of the portal vein and hepatic artery along with independent venous drainage directly into the IVC. It can be identified by the linear distribution radiating from the hilum and gravity dependence with air predominantly in the nondependent parts of the biliary tree. vascular thrombosis with HCC) may be helpful, but in the appropriate clinical context biopsy may be required to detect diffuse malignant involvement. Several shallow surface impressions relate to adjacent organs, such as the right kidney. Steatosis can lead to fibrosis and cirrhosis. Acquired Diseases It can lead to much more serious conditions including cirrhosis and liver failure. Ther Clin Risk Manag. https://www.liverfoundation.org/for-patients/about-the-liver/health-wellness/medications/. No correlation between ALT, AST and changes in liver attenuation was found. Since fat is intracellular in liver steatosis,and not in the extracellular matrix,using infiltration to describe it is factually incorrect. There is currently no cure for cirrhosis. This is what it is supposed to look like. We searched for articles in the PubMed database using appropriate . The liver receives approximately two-thirds of its blood supply from the portal vein and one-third from the hepatic artery. 31-29), although this may not occur if antibiotic treatment has started. Write by: . On unenhanced examinations regenerative areas have relatively normal attenuation but advanced fibrosis lowers attenuation, whereas the accumulation of iron in hepatocytes increases it. overlapped behind the stomach. Other diseases that infiltrate or deposit in the liver may also increase the echogenicity, including certain storage and infectious diseases. (A) Arterial phase at 140 kV, (B) arterial phase at 70 kV, (C) reconstructed virtual unenhanced image (comparable with an acquired unenhanced image) and (D) reconstructed iodine image. On colloid scintigraphy the appearance of hepatitis is similar to the early stages of cirrhosis, with uneven and reduced uptake. It may be seen after embolisation or thermal ablation of liver tumours. Steatosis manifests as increased echogenicity and beam attenuation 2,12. During the arterial phase following IV enhancement with Gd-DTPA haemangiomas have rapidly enhancing vessels at the periphery. Kato M, Saji S, Kanematsu M et al. CT is extremely sensitive to the presence of gas, which is easily demonstrated and localised. Although this finding can be virtually diagnostic, further imaging may be required as fibrosis can also cause increased reflectivity. Medical Definition of homogeneous    : of uniform structure or composition throughout. Conflicts of interest and sources of funding: This manuscript has not received any funding. Factors that can increase your risk of liver problems include: Large doses of medicines, vitamins or supplements. MRI (Figs.  If this is the result of your. 3. Can nonalcoholic fatty liver disease cause complications? Inherited genetic haemochromatosis causes hepatocyte iron accumulation (leading to subsequent cirrhosis) and iron accumulation in other organs, including myocardium, skin and endocrine glands. This makes it harder for your liver to work. For more information, please refer to our Privacy Policy. During contrast enhancement early and late arterial phase studies. Diffuse steatosis reduces liver attenuation. Cysts may be indistinguishable from haemangiomas on conventional T2w MRI but heavily T2w imaging (as used for MRCP) may help separate them. In all these situations the diagnosis is difficult to make although subtle heterogeneity that cannot be attributed to cirrhosis or fat infiltration is usually evident on most imaging techniques. As the lesions liquefy, the central signal decreases on T1w and increases on T2w imaging. Hepatosplenomegaly is enlargement of the liver and spleen. Correspondence to: Bibi Martens, MD, Maastricht University Medical Centre, P. Debyelaan 25, PO Box 5800, 6202 AZ Maastricht, the Netherlands. "Mayo," "Mayo Clinic," "MayoClinic.org," "Mayo Clinic Healthy Living," and the triple-shield Mayo Clinic logo are trademarks of Mayo Foundation for Medical Education and Research. The lesions may be multiple and vary widely in size. Robbins and Cotran Pathologic Basis of Disease. Right and left lobe agenesis has been reported but is controversial: the absence of supplying vasculature or dilated bile ducts is said to permit the diagnosis of true agenesis rather than early atrophy. Fibrosis. In this early stage, the liver is enlarged or inflamed. When enlarged liver results from liver disease, it might be accompanied by: Make an appointment with your doctor if you have symptoms that worry you. Some error has occurred while processing your request. Chemical shift or (A) in- and (B) out-of-phase gradient-echo imaging. detectable due to more rapid flow rates. lung involvement. As the lesions liquefy, the central signal decreases on T1w and increases on T2w imaging. On US the normal liver parenchyma is typically slightly more echo reflective than the renal cortex. Liver parenchyma is homogeneous with attenuation values of 5460 Hounsfield units (HU), usually 810 HU greater than the spleen. Malignant Diffuse Disease If we combine this information with your protected
                                  other information we have about you. Get regular exercise: Exercise helps to burn extra calories that reduce your risk of diabetes, excess weight, high blood pressure, and high blood fat. Other Problems. 31-8). Studies using DWI and 31P spectroscopy have given mixed results for trying to grade fibrosis. decreased attenuation in only a small area, especially in the way and location described, sounds like nothing significant: Fatty infiltration, when it means anything, typically involves all or most of the liver. Please note, we cannot prescribe controlled substances, diet pills, antipsychotics, or other abusable medications. What is homogeneous attenuation of liver and spleen? Iron oxide particles possess superparamagnetic properties that create susceptibility-induced dephasing of protons, thereby shortening T2. Unenhanced CT demonstrates hepatic iron deposition through an increase in HU value (>75HU) (. Benign Diffuse Disease Images obtained pre (A) and at 40s (B), 120s (C), 5min (D) and 15min (E) following injection. (A) Pre, (B) arterial phase, (C) portal phase and (D) 5-min delayed phase post-intravenous gadolinium DTPA. drugs: amiodarone, methotrexate, chemotherapy (e.g. CONFLICT OF INTEREST STATEMENT. The pressure difference between measurements in the wedged (occluded) hepatic vein and the IVC (the corrected sinusoidal pressure) is normally between 4 and 8mmHg.  . However, the authors declare relationships with the following companies: C. Mihl and B. Martens receive personal fees (speakers bureau) from Bayer. Anatomy Boursier J, Isselin G, Fouchard-Hubert I et al. Diagnoses are often made on the basis of clinical features with histological confirmation.  Mayo Clinic on Incontinence - Mayo Clinic Press, NEW  The Essential Diabetes Book - Mayo Clinic Press, NEW  Ending the Opioid Crisis - Mayo Clinic Press, FREE Mayo Clinic Diet Assessment - Mayo Clinic Press, Mayo Clinic Health Letter - FREE book - Mayo Clinic Press, Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic School of Continuous Professional Development, Mayo Clinic School of Graduate Medical Education, Book: Mayo Clinic Family Health Book, 5th Edition, Newsletter: Mayo Clinic Health Letter  Digital Edition. What is the association between H. pylori and development of. Plain radiographs are now rarely useful for liver evaluation, but may demonstrate gross hepatomegaly and hepatic calcification. Absence of the IVC is rare and associated with complete situs inversus but may occur with partial situs and a right-sided liver. Wolfgang Dhnert. Eur Radiol. Typical appearances of well-defined lobulated peripheral homogeneous increased echo-reflectivity lesions (A). At Doppler examination the normal hepatic vein waveform reflects the transmitted right heart pressure changes with transient flow reversal flow during the cardiac cycle (Fig. To provide you with the most relevant and helpful information, and understand which
 What are the answers to studies weekly week 26 social studies? Internal echoes, thick septations, a perceptible wall or solid components should prompt further imaging (by CT or MRI) or aspiration as the differential diagnosis includes haemorrhage, abscess, cystic metastasis (e.g. Diet and your liver. This pattern is typical of HCC [10] but may also be ob-served in hypervascular liver metastases. A total of 256 patients scheduled for an abdominal CT in portal venous phase were randomly allocated to 1 of 4 groups.  Note the hepatic veins are unenhanced (black arrows) on the arterial phase but opacify on the portal phase. Then figure out what the total cost of the trip would be.? Delayed CT imaging is used in selected cases, e.g. Please try after some time. Vascular structures can be identified by their location on the unenhanced images and confirmed by enhancement with IV contrast medium.  This is abnormal and results from a gas-forming organism in an abscess or infarct, or occasionally following trauma or hepatic arterial thrombosis following liver transplantation. This results in enlargement of the hepatic arterial system, which can be mistaken for enlarged bile ducts on US unless Doppler techniques are used to identify the vessels. Accurate definition of the vascular and biliary anatomy is particularly important before live donor liver transplantation. MRI is the most sensitive and specific technique for demonstrating hepatic steatosis. 31-26). The spleen is normally higher signal than the liver. Yellowing of the skin and the whites of the eyes (jaundice), Hepatitis caused by a virus  including hepatitis A, B and C  or caused by infectious mononucleosis, A disorder that causes abnormal protein to accumulate in your liver (amyloidosis), A genetic disorder that causes copper to accumulate in your liver (Wilson's disease), A disorder that causes iron to accumulate in your liver (hemachromatosis), A disorder that causes fatty substances to accumulate in your liver (Gaucher's disease), Fluid-filled pockets in the liver (liver cysts), Noncancerous liver tumors, including hemangioma and adenoma, Obstruction of the gallbladder or bile ducts, Cancer that begins in another part of the body and spreads to the liver, Blockage of the veins that drain the liver (Budd-Chiari syndrome), Inflammation of the tissue surrounding the heart (pericarditis). This holds for all sequence combinations except for inversion recovery techniques with inversion times that completely null liver signal. 31-28). Video chat with a U.S. board-certified doctor 24/7 in a minute. Liver biopsy and histology is the gold standard for diagnosis, and is performed for patients at higher risk of fibrosis or steatohepatitis. The liver signal is abnormally reduced (to less than that of adjacent muscle). It was prepared as shown in Fig.1.Over the past few decades, the U.S. Food and Drug Administration has approved more than twelve monoclonal antibodies to fight various types of cancer, including breast, head and neck, lung, liver, bladder, and melanoma skin cancers as well as Hodgkin . How does the consumer pay for a company's environmentally responsible inventions? 2003;180(5):1347-50. Please enable scripts and reload this page. (B) T1w and (C) T2w images immediately caudal to (A) demonstrate the atrophic right lobe (white arrowheads) with increased signal on T2w indicating confluent hepatic fibrosis. Using extended echo time (e.g. In these lesions Doppler signals are usually detectable due to more rapid flow rates. Several studies have demonstrated that hepatic iron concentration correlates strongly with both T2* and T2 value, permitting accurate quantification. Do clownfish have a skeleton or exoskeleton.  31-21). Jpn J Clin Oncol. Check with your doctor if you're not sure what's too much. A teacher walks into the Classroom and says If only Yesterday was Tomorrow Today would have been a Saturday Which Day did the Teacher make this Statement? Abdom Imaging. https://livertox.nih.gov/Herbals_and_Dietary_Supplements.htm. The proposed 10-to-10 rule is an easily reproducible method resulting in similar enhancement in portal venous CT of the liver throughout the patient population, irrespective of TBW or tube voltage. The principal plane is defined by three key landmarks: the IVC groove, the middle hepatic vein and the gallbladder fossa. A disorder that causes iron to accumulate in your liver (hemachromatosis) A disorder that causes fatty substances to accumulate in your liver (Gaucher&#x27;s disease) Fluid-filled pockets in the liver (liver cysts) Noncancerous liver tumors, including hemangioma and adenoma Obstruction of the gallbladder or bile ducts Toxic hepatitis Cancers Several intrinsic liver pathologies can cause a diffuse change in liver attenuation with increased hepatic fat being the most prevalent. No significant difference in attenuation was found between weight categories 80 kg or less and greater than 80 kg within the 4 groups (P  0.371). Once youve been diagnosed with cirrhosis, it cant be reversed, but there are treatment options that can slow it down, or stop it. In chronic hepatitis with cirrhosis, imaging helps monitor disease progression, development of portal venous hypertension and complications such as hepatocellular carcinoma (HCC).  31-14). 2007;244(2):479-85. congenital malformations and anatomical variants. There is a problem with
 Unfortunately some metastases, especially from neuroendocrine malignancies, may have a similar appearance. Your doctor may treat your symptoms caused by cirrhosis by recommending lifestyle changes, medication, or transjugular intrahepatic portosystemic shunt (TIPS). Portal venography is performed either directly or indirectly by portal vein or splenic pulp puncture. Unenhanced imaging remains valuable for assessing diffuse hepatic changes, such as fat infiltration and iron deposition, and for evaluating focal changes, in particular subtle calcification and haemorrhage. Gas in the biliary tract may occur as a result of a sphincterotomy, or Roux loop procedure allowing reflux of intestinal gas into the biliary tree. AJR Am J Roentgenol. 2007;3(6):1153-63. Overall subjective image quality was assessed by 2 experienced readers by using a 5-point Likert scale. FibroScan,acoustic radiation force imaging (ARFFI)),can assess the degree of accompanying fibrosis by measuring tissue stiffness 10. Heterogenous refers to a structure having a foreign origin.                 You may search for similar articles that contain these same keywords or you may
 Modern techniques allow all four image sets to be generated from a single breath-hold 3D T1w acquisition. Angiography This site complies with the  HONcode standard for trustworthy health information: verify here. Terminology The term &#x27;fatty infiltration of the liver&#x27; is often erroneously used to describe liver steatosis. What is A person who sells flower is called? Current volumetric CT systems allow complete isotropic data acquisition of the upper abdomen in a few seconds and choice of section thickness post acquisition. This may occur with ovarian metastases, but has also been described with teratomas, colonic and metastatic squamous cell tumours.29 Differentiation from an abscess may be impossible on imaging criteria alone and guided aspiration for cytology and microbiology examination may be required. Rather than a disease, an enlarged liver is a sign of an underlying problem, such as liver disease, congestive heart failure or cancer. Medical Definition of homogeneous : of uniform structure or composition throughout. Direct methods (including percutaneous splenic, transhepatic and transjugular approaches) are now used only when therapeutic procedures (e.g. An ultrasound, CT scan and MRI can show liver damage. Indirect portography (arterioportography) is less hazardous than direct methods and combines an arterial study. 31-33). These conditions are fulfilled in neonatal necrotising enterocolitis but also in adults with gastric emphysema, intestinal obstructions, infections and Crohns disease. To assess the prognostic value of liver attenuation on CT scan in patients with COVID-19. Not a serious condition. The gas typically radiates out from the hilum with less marked gravity dependence than pneumobilia and a more peripheral distribution (Fig. Mahmood S, Inada N, Izumi A, Kawanaka M, Kobashi H, Yamada G. Wilson's Disease Masquerading as Nonalcoholic Steatohepatitis. 31-15) allow both an accurate diagnosis and, with appropriate T2 and other corrections, accurate quantification. I love to write and share science related Stuff Here on my Website. As cirrhosis progresses, widespread fibrosis and nodular regeneration develop, along with macroscopic changes of liver morphology which can be detected on imaging. Several studies have demonstrated that hepatic iron concentration correlates strongly with both T2* and T2 value, permitting accurate quantification. Note the different appearance of the vessels in (E) and (F) compared with the conventional gadolinium chelate study. Hepatic venography is performed following retrograde catherisation usually via the femoral or jugular veins. On imaging there is a wide range of appearances, from a simple cyst indistinguishable from a true hepatic cyst to a complicated cyst with any or all of the following features: debris (hydatid sand made up of dead scolices, which may calcify), daughter cysts, membrane separation, and wall calcification. The spleen is located just near the liver. AJR Am J Roentgenol. Optimising protocols and phase timing to maximise lesion-to-liver contrast varies with individual CT system but the minimum requirement for liver imaging is typically a relatively late arterial phase (e.g. The enhancement characteristics for many focal lesions are, not surprisingly, similar to those for CT. Hepatobiliary specific agents have been developed which target either the reticulo-endothelial system (RES) or hepatocytes. See answer (1) Best Answer Copy When a report only states homogeneous attenuation, it only shows that the spleen and liver appear normal and that there are no unusual masses or densities. Educational text answers on HealthTap are not intended for individual diagnosis, treatment or prescription. It is kind of Capsaicin is the main pungent bioactive constituent in red chili with promising therapeutic properties due to its anti-oxidative and anti-inflammatory effects. The liver is a large, football-shaped organ found in the upper right portion of your abdomen. Doppler US examination may reveal other non-specific features of cirrhosis: damping of the normal right heart waveforms in the hepatic veins, reduced main portal vein blood flow (<10cm/s mean peak) or hepatofugal flow. Liver/spleen imaging is usually performed following injection of a colloid agent such as 99mTc-sulphur colloid, injected intravenously. Any use of this site constitutes your agreement to the Terms and Conditions and Privacy Policy linked below. Best wishes, It was my pleasure to help you today. CT arteriography (CTA) and CT arterioportography (CTAP) using direct hepatic artery injection during CT examination and Lipiodol CT are now rarely used. 31-7). Treatment involves identifying and controlling the cause of the condition. 21. Khedkar N, Pestika B, Rosenblate H, Martinez C. Large Focal Defect on Liver/Spleen Scan Caused by Fatty Liver and Masquerading as Neoplasm. MR Elastography of the Liver at 3 T with Cine-Tagging and Bending Energy Analysis: Preliminary Results. These are found in both small and large vesicles. To learn more, please visit our, Or other odd-looking lesions. 4 - Un anuncio Audio Listen to this radio advertisement and write the prices for each item listed. Arteriography is best performed by selective catheterisation, and the arterial and parenchymal phases of the study are usually of most diagnostic value. The presence of other abnormalities (e.g. For these, please consult a doctor (virtually or in person). T2w MRI image demonstrating abnormally low liver signal parenchyma compared to adjacent muscle with linear fibrotic increased signal regions, nodular margins and moderate ascites. Where is H. pylori most commonly found in the world? CT (Fig. Contrast-enhanced US9 is variably used to add an arterial and portal phase study comparable with CT and MRI. AJR Am J Roentgenol. For example, a dermoid cyst has heterogeneous attenuation on CT. Liver stiffness also increases but the commonest anatomical finding in advanced cirrhosis is atrophy of the posterior segments (VI, VII) of the right lobe. If sufficient gas accumulates it may become visible on CT peripherally in the portal vein branches and eventually becomes evident on plain radiographs. It occurs in up to 5% of adults and consists of abnormal blood vessels. In this system, grade 5 is when the liver parenchyma is lower attenuation than the unenhanced vessels,and has been associated with hepatic steatosis of at least 30%23. 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                 modify the keyword list to augment your search. Hepatic and portal system dynamics may alter radically in cirrhosis, with both increased overall hepatic blood flow (through intrahepatic arteriovenous shunts) and decreased hepatic blood flow (resulting from increased intrahepatic vascular resistance) recognised in advanced disease. If youre overweight or obese, reduce the number of calories you eat each day and increase your physical activity in order to lose weight. Portal phase CT images (A) in a patient with portal vein gas (note the peripheral distribution (arrows)) and (B) in a patient with pneumobilia (arrowheads). Lee S, Park S, Kim K et al. Epilepsy is a brain disease in which a cluster of neurons sometimes induces episodes of abnormal excitation, called epileptic seizures. On MRI marked heterogeneity may occur in cirrhotic livers on (A) multi-shot T2w FSE imaging due to the combination of increased signal from fibrosis and reduced signal from iron accumulation within nodules and for similar reasons on delayed post-gadolinium T1w imaging (B). No significant differences in subjective image quality were found (P = 0.180). An initial local inflammatory reaction is followed by progressive central liquefaction with a surrounding inflammatory margin or wall. When the liver is no longer able to perform its work adequately, its goes into liver failure. Created for people with ongoing healthcare needs but benefits everyone. Benign Solid Lesions The shape and vascular architecture of the liver are normal. Magn Reson Imaging Clin N Am. The spectral tracing reflects the normal right heart pressure changes leading to flow reversal occurring normally during the A wave (right atrial contraction) and occasionally during the V wave. 17. Gamma camera images are obtained in multiple projections and liver/spleen angiographic and blood flow phases can also be obtained at the start of a study by acquiring rapid sequential images during the first 3060 seconds. On US a simple cyst is well-defined with no internal echoes, no perceptible wall and posterior acoustic enhancement (arrowheads). This is traded off with improved anatomical definition of extrahepatic structures. This is a hepatic infection with Echinococcus granulosus, a parasitic tapeworm present worldwide and transmitted from sheep, foxes and other wild animals to humans as part of its life cycle. Radiographics. Over the last decade several forms of ultrasound elastography have been developed that evaluate liver stiffness. It has also been described in blunt abdominal trauma, invasive abdominal malignancies (colon carcinoma, ovarian carcinoma), duodenal perforation at ERCP and in patients with colitis following a barium enema. Normal hepatic vein on duplex Doppler US. CT scans of the liver and biliary tract (the liver, gallbladder, and bile ducts) can provide more detailed information about the liver, gallbladder, and related structures than standard X-rays of the abdomen, thus providing more information related to injuries and/or diseases of the liver and biliary tract. enhancement with IV Gd-DTPA on T1w images. MRI has a wider range of contrast mechanisms than other imaging techniques and is increasingly used for lesion detection and characterisation. Taking larger than recommended doses of vitamins, supplements, or over-the-counter (OTC) or prescription medicines can increase your risk of liver damage. 1998;171(3):659-64. B: Increased liver echogenicity (steatosis), with respect to the renal parenchyma. 2010;20(10):2381-9. Liver Biopsy In these cases the lack of enhancement and features on other investigations help confirm the diagnosis. Scintigraphy will demonstrate large cysts as non-specific photopenic regions. US sensitively detects moving gas bubbles in the main portal vein which can be visualised on B-mode images and detected by spectral Doppler as the gas bubbles reflect the sound beam overloading the system receivers giving rise to a characteristic high-pitched random bubbling sound with focal aliasing artefacts on the spectral display. Mayo Clinic does not endorse companies or products. On MRI the fluid content of a cyst results in low signal on T1w imaging and very high signal on T2w imaging (particularly when using extended echo times or single shot echotrains), typically brighter than the spleen and comparable to the CSF or the gallbladder bile (Fig. This effect is most sensitively detected by T2*w gradient-echo imaging although with significant accumulation the effect is easily seen on T2w spin-echo images, and when severe will affect T1w images. Hepatic arterial flow is usually increased in advanced cirrhosis as the portal contribution to hepatocyte perfusion decreases. Hepatic arteriography in cirrhotic liver demonstrates increased tortuosity of intrahepatic branches, so-called corkscrew vessels, which reflect lobar shrinkage. Portal phase imaging can be helpful in assessing portal vein patency, although flow volume and direction cannot be determined. There has been no evaluation of the liver status both before and after COVID-19. LIVER IMAGING TECHNIQUES Liver cysts, fluid-filled sacs that may be present at birth. Hepatic steatosis is due to the abnormal accumulation of lipids, particularly triglycerides within hepatocytes 3,4. The nodular hepatic margin, atrophy of the right lobe and large splenorenal varices are all indicators of cirrhosis. Portal vein gas is always abnormal and occurs when intestinal permeability increases and/or there is an increase in intestinal luminal pressure. 2006;26(6):1637-53. The Liver and Spleen Nevertheless, some criteria for diffuse hepatic steatosis on contrast-enhanced CT have been proposed: Requires both in-phase (IP) and out-of-phase (OOP) imaging to be adequately assessed 1,16. ";s:7:"keyword";s:44:"what is homogeneous attenuation of the liver";s:5:"links";s:191:"<a href="http://informationmatrix.com/ut6vf54l/saving-capitalism-worksheet">Saving Capitalism Worksheet</a>,
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