Medical liver disease

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This article deals with medical liver disease. An introduction to the liver and approach is found in the liver article.

Micrograph showing ground glass hepatocytes, as seen in chronic hepatitis B. H&E stain.

Every differential in liver pathology has "drugs"[1] -- if it isn't clearly malignancy.

Liver neoplasms are dealt with in the liver neoplasms article.

Medical liver biopsies are often non-specific, as the liver has the same appearance for many mechanisms of injury, especially when the injury is marked. The clinical history, serology and imaging are essential for proper interpretations in this domain of pathology.

Review of liver blood work

Inflammation activity

  • ALT.
  • AST.

Cholestatic markers

  • ALP.
  • GGT - used to assess whether the ALP is an "honest" value, elevated in cirrhosis.

Cirrhosis/decompensation

  • PLT - low is suggestive of dysfunction.
  • INR - high is bad, unless anticoagulated.

Other

  • Bilirubin.
    • Direct (AKA conjugated).
    • Indirect (AKA unconjugated).

A short DDx of elevated:[2]

  • Indirect:
    • Gilbert syndrome.
    • Crigler-Najjar syndrome type 1.
    • Crigler-Najjar syndrome type 2.
  • Direct:
    • Rotor syndrome.
    • Dubin-Johnson syndomre.

Viral hepatitis

  • HBV DNA.
  • HCV RNA.
  • HBs Ag, HBs Ab, HBe Ag, HBe Ab.
  • HCV Ab.

Others:

Hepatitis B

Meaning & utility of the various Hepatitis B tests:[3][4]

Test name Location Positive test Negative test Usual question
HBs Ag Surface Virus active No active infection Active infection?
HBs Ab Surface Exposed OR vaccinated No exposure OR no vaccine OR loss of Ab Immunization status?
HBe Ag Virus core Infect. w/ viral replication No active infection Active infect. w/ viral replication?
HBe Ab Virus core Exposed to virus Infect. w/o antibody response OR not exposed Immune response to infection?
HBV DNA - Active Not active/no exposure Viral load/how active?
HBc Ab Virus core Virus active/previous exposure No exposure Early active infection?

Notes:

  • HBc Ab may test for acute (IgM) or chronic infection - dependent on specific antibody test; it is often used to look for early infection.[4]
  • Carriers of hepatitis B: HBs Ag +ve, HBs Ab -ve, HBc Ag -ve, HBc Ab +ve, HBe Ag -ve, HBe Ab +ve.[5]

Markers for rare liver diseases

  • Ceruloplasm - low think Wilson's disease; typical value for Wilson's ~ 0.12 g/L.
    • <0.20 g/L is a criteria for Wilson's disease.[6]
  • Alpha-1 antitrypsin - if low think deficiency.

Hemosiderosis

  • Ferritin - high.
  • Iron saturation - high.

Causes:

  • Hemochromatosis.
  • Hemolysis, chronic.
  • Cirrhosis.

Medical imaging

Blood flow:[7]

  • Hepatopedal flow = normal portal vein flow.
  • Hepatofugal flow = reversed portal vein flow.

Interventional measurements

Wedged to free hepatic venous pressure:[8]

Liver biopsy

Medical liver biopsy adequacy

Liver biopsy specimens should be:[9]

  • 2.0 cm in length and contain 11-15 portal tracts,
  • The core should be deeper than 1.0 cm from the liver capsule; specimens close to the capsule may lead to over grading of fibrosis.

Reporting

Main article: Pathology reports
Specimen, procedure:
- Diagnosis.

The diagnosis usually contains grading and staging information, e.g. activity 2 /4, Laennec fibrosis stage 1 /4.

In the context of medical liver disease:

  • Grade = inflammation/activity.
  • Stage = severity of fibrosis/architectural changes.

Notes:

  • The term "acute" is infrequently used in liver pathology.
  • In the liver: neutrophils is not acute -- unlike most elsewhere in the body.[10]

A microscopic checklist

Size of biopsy: Adequate
Fragmentation: Absent
Fibrosis: Stage 2-3/4, mostly stage 2
Fibrous septa: Present
Septa with curved contours: Present – focally only
Large droplet steatosis (% of hepatocytes): Present, moderate 60%
Ballooning of hepatocytes: Present, rare
Mallory-Denk bodies: Present, rare
Portal inflammation: Present
Interface activity: Minimal (0-1/4)
Lobular necroinflammation: Minimal
Ducts: Present in normal numbers
Duct injury: Absent
Ductular reaction: Absent
Cholestasis: Absent
Terminal hepatic venules: Present
Iron stain: Absent
Ground glass cells with routine stains: Absent
PASD for alpha-1 antitrypsin droplets: Negative

Viral hepatitis

These are common. The diagnoses are based on serology. The serology is covered in the viral hepatitis section in the liver pathology article.

Typically classified as:[11][12]

  1. Acute < 6 months duration.
  2. Chronic > 6 months duration.

Hepatitis A

  • Infection is self-limited, i.e. not persistent.
  • Usually asymptomatic in children.[13]
  • Serology is diagnostic.

Hepatitis B

Hepatitis B virus, abbreviated HBV, redirects here.
Main article: Hepatitis B

Hepatitis C

General

  • Leads to hepatocellular carcinoma in the setting of cirrhosis.
  • Tends to be chronic; the "C" in "hepatitis C" stands for chronic.
  • Diagnosis is by serology.

Associated pathology:

Microscopic

Features:

  • Lobular inflammation - this is non-specific finding.
    • Usually Grade 1, rarely Grade 2 and almost never Grade 3 or Grade 4.[14]
  • Periportal steatosis in genotype 3.[15]
    • Steatosis in hepatitis C is usually a secondary pathology, i.e. a separate pathologic process.[16]

Images

 
Hepatitis C case for Libre Pathology
 Metavir activity index 1 (Piecemeal necrosis 0-1, Lobular necrosis 1), Metavir fibrosis stage 2. Hepatitis C genotype 1a. Expanded, dark triads (UL blue arrowhead). Focus of spotty necrosis (UR green arrowhead). Reticulin shows occasional, equivocal foci of piecemeal necrosis, with a thin black line possibly encircling a hepatocytes (LL yellow arrowhead); the activity index is unaffected by the difference in piecemeal necrosis score. Trichrome shows portal fibrosis with extension outside area of blood vessels (LR purple arrowhead) Original oculars UL 2X, UR 20X, LL 40X, LR 40X
  
  
  

Hepatitis C with metavir stage IV fibrosis (advanced fibrosis/cirrhosis) and confluent piecemeal necrosis. Inflamed bands cross hepatocytes with steatosis (Row 1 Left 40X). Trichrome shows extensive bridges (Row 1 Right 40X). Trichrome also documents early nodule formation (Row 2 Left 40X). Reticulin shows regeneration (two nuclei per cord) in a nodule, but not throughout (Row 2 Right 200X). Hematoxylin and eosin shows piecemeal necrosis as inflammatory cells surrounding hepatocytes (Row 3 Left 400X). Reticulin shows black lines about hepatocytes, indicating confluent piecemeal necrosis (Row 3 Right 400X).

  
  
  

Hepatitis C. Metavir Activity Index 2 (PMN2, LN1), Metavir fibrosis stage 3. Expanded dark triads, indicating interface hepatitis [red arrows], foci of steatosis [green arros], potential bridge [blue arrow] (Row 1 Left 20X). Extending from triad are stretches of apparent necrosis [green arrows], inflammatory cells bound hepatocytes afflicted by piecemeal necrosis [yellow arrows], ballooning degeneration denoted by cytoplasmic tufts [blue arrows] (Row 1 Right 400X). Reticulin shows collapse (necrosis) with thick bands [red arrows], as well as rosettes [green arrows] indicating dilated cholangioles (Row 2 Left 200X). Reticulin here shows continuous piecemeal necrosis with black bounded hepatocyte islets [arrows] (Row 2 Right 200X). Reticulin here shows a bridge with regeneration, wherein two or more nuclei lie between reticulin lines [arrows] (Row 3 Left 200X). Trichrome demarcates one of the bridges (Row 3 Right 200X).

DDx:

Other infections

  • Hydatid disease (Hydatid cyst).
  • Ascaris.
  • Fasciola

Hydatid disease

  • AKA hydatid cyst.

General

Microscopic

Features:

Images

  • Liver cyst wall - intermed. mag. (WC)

  • Liver cyst wall - high mag. (WC)

  • Characteristic laminated portion - intermed. mag. (WC)

  • Characteristic laminated portion - high mag. (WC)

www:

Abscess

  
  

Abscess. A process replaces most of the liver parenchyma (UL 20X). Fibrinopurulent exudate apposes granulation tissue (UR 200X). Neutrophils lie in widened sinusoids (LL 200X).Trichrome shows collagenization of spaces of Disse. Scarring about an abscess or other mass lesion should not be interpreted as reflective of the liver in general (LR 200X).

Coccidiomycosis

Coccidiomycosis Table show GRAN-COC

  
  

Note the granulomas in otherwise undisturbed liver (UL), the larger prior granuloma with centrally crowded cells & lady slipper macrophage nuclei (UR), the center of the granuloma with pyknotic macrophage nuclei "necrotizing" (LL), and the organisms on GMS stain (LR).

Metabolic and toxic

Alcoholic liver disease

General

Classic lab findings in EtOH abusers

  • AST & ALT elevated with AST:ALT=2:1.
  • GGT elevated.
  • MCV increased.

Gross pathology/radiologic findings

  • Classically micronodular pattern.
    • May be macronodular.

Microscopic

See:

Features:

  • Often zone III damage.
  • Cholestatsis common, i.e. yellow staining.
    • NASH (non-alcoholic steatohepatitis) usu. does not have cholestasis.[20]
  • Fibrosis starts at central veins.
  • Neutrophils (often helpful) -- few other things have PMNs. (???)
    • Neutrophils cluster around cells with Mallory hyaline.

Images

 
Cirrhosis in a patient with a history of alcohol abuse
 Cirrhosis in a person with alcohol abuse. At low power bands separate hepatocyte regions (UL). Higher power at left shows isles of hepatocytes, some ballooned; at right, hepatocytes with many lumens, at lower power perhaps suggesting steatosis, here evidencing regeneration (UL). Focus of spotty necrosis (UR). PAS-D stain showing extensive benign bile duct proliferation, overall localized, with red rimd (LL). Trichrome shows fibrosis about nodules (LR).

Original oculars UL 4X, UR 20X, LL 40X, LR 10X

  
  

Alcoholic hepatitis without cirrhosis. No history of viral disease. AMA negative. Expanded, inflamed triads with increased bile duct/vascular openings. Mild steatosis (UL 40X). Trichrome stain shows periportal fibrosis [red arrowheads] (UR 200X). PAS with diastase stain shows proliferated bile ductules [blue arrowheads] in stroma with mixed inflammatory infiltrate (LL 400X) Neutrophils about ballooned hepatocyte (satellitosis) [yellow arrowheads]. Councilman bodies [green arrowheads] (LR 400X).

Notes:

  • If portal inflammatory infiltrates more than mild, r/o other causes i.e. viral hepatitis.
  • Mallory bodies once thought to be characteristic; now considered non-specific and generally poorly understood.[21]
  • Some consider alcoholic liver disease a clinical diagnosis, i.e. as a pathologist one does not diagnose it.[22]

Non-alcoholic fatty liver disease

  • Abbreviated NAFLD.
  • Fatty liver that is not due to alcohol; includes obesity-related fatty liver, metabolic disease/diabetes-related fatty liver.

NASH

  • Non-alcoholic steatohepatitis - see steatohepatitis section.
  • Histologically indistinguishable from ASH.
  • NASH is a clinical diagnosis based on exclusion of alcohol.

Steatohepatitis

Main article: Steatohepatitis

Autoimmune

Autoimmune hepatitis

  • Abbreviated AIH.
Main article: Autoimmune hepatitis

Primary biliary cirrhosis

  • Abbreviated PBC.
Main article: Primary biliary cirrhosis

Autoimmune hepatitis with obstruction - combined changes

  
  
  

Patient with SLE and obstructive jaundice that resolved with apparent passage of stone. Low power shows inflammation; portal triads, lobules, central veins cannot be distinguished (left row 1 40X). Trichrome shows central venous sclerosis (red arrowhead), periportal fibrosis (green arrowhead), & space of Disse collagenization (yellow arrowhead); juxtaposition of central vein & portal tract indicates collapse, no definite bridging was seen (right row 1 100X). Central vein is inflamed with a rare plasma cell (cyan arrowhead) (left row 2 400X). Interface hepatitis with plasma cells (yellow arrows) and ballooned hepatocytes (red arrows). Lobule is disorganized (right row 2 400X). Proliferating bile ductules (blue arrows) with occasional neutrophils (fucsia arrows), indicative of obstruction, but not acute cholangitis, which requires inflamed bile duct itself, best diagnosed with associated blood vessel (left row 3 400X). Rare distorted rosettes with greenish brown strands of bile (left arrow) or bile plugs (right arrow) (right row 3 400X).

Autoimmune hepatitis-primary biliary cirrhosis overlap syndrome

  • Abbreviation AIH-PBC OS.

General

Epidemiology:

  • Rare.

Serology:[23]

  • AMA +ve.
  • Anti-dsDNA +ve.

Microscopic

See: autoimmune hepatitis and primary biliary cirrhosis.
  
  

AIH/PBC overlap. AMA & ANA positive with Alkaline phosphatase > 2 upper limit of normal & one ALT > 5 times upper limit of normal. Expanded portal tracts with fuzzy edges (UL 40X). IInterface hepatitis with plasma cells (UR 400X). Loose granuloma (LL 400X). Damaged bile duct (LR 400X).

Primary sclerosing cholangitis

  • Abbreviated PSC.
Main article: Primary sclerosing cholangitis

Hereditary

Caroli disease

General

Clinical:[26]

Note:

  • Caroli syndrome = Caroli disease + congenital hepatic fibrosis.[29]

Gross

  • Dilated bile ducts.[24]

Microscopic

Features:[26]

  • Dilated bile ducts.
  • Periductal fibrosis. (???)
  • +/-Fibrosis.

Image:

Hereditary hemochromatosis

For secondary causes see secondary hemochromatosis.
Main article: Hereditary hemochromatosis

Wilson disease

Main article: Wilson's disease

Alpha-1 antitrypsin deficiency

  • AKA alpha1-antiprotease inhibitor deficiency.
Main article: Alpha-1 antitrypsin deficiency

Other

Budd-Chiari syndrome

  • AKA hepatic vein obstruction.

General

  • Hepatic outflow obstruction.

Clinical triad:[31]

  • Ascites.
  • Abdominal pain.
  • Hepatomegaly.

Etiology:

Clinical DDx:

Microscopic

Features:[33]

  • Sinusoidal dilation in zone III (congestion).
  • +/-Hepatocyte drop-out.
  • +/-Centrilobular fibrosis.

DDx congestion:

Vanishing bile duct syndrome

General

  • Fatal.

DDx:[35]

Microscopic

Features:[35]

  • Loss of intrahepatitic bile ducts - key feature.
  • Cholestasis.

Note:

  • May occur without fibrosis and inflammation; thus, can be easy to miss.

IHC

  • CK7 -ve.
    • Marks bile ducts.

Extrahepatic biliary obstruction

  
  

Early extrahepatic biliary obstruction, demonstrated radiographically, transient, with rise in bilirubin, alkaline phosphatase, and transaminases. Pure canalicular cholestasis near terminal hepatic venules also seen in acute hepatitis, drug reactions, benign recurrent cholestasis, pregnancy, sepsis, & lymphomas. Sinusoidal dilatation, circular spaces of hepatocytes, small portal triads(UL 40X). Bile in hepatocytes about central vein & in plugs in canaliculi [yellow arrowhead] (UR 400X). Trichrome shows fibrosis about central vein (LL 400X). PAS with diastase shows portal triads with mild edema and chronic inflammation, without tortuous bile duct (LR 400X).

  
  

Changes of extrahepatic biliary obstruction, months duration. Expanded inflamed portal triads, swollen hepatocytes (UL 40X). Edematous stroma, proliferating ductules [yellow arrowheads], PAS-D macrophages [red arrowhead] (UR PAS with diastasse, 200X). Disordered, often swollen hepatocytes,some with feathery degeneration (net like spaces in cytoplasm) [blue arrowhead], rare Councilman body [green arrowhead] (LL 400X). Bile in hepatocytes [cyan arrrowhead] & in canaliculi [purple arrowheads]. Empty acinar spaces bounded by hepatocytes [orange arrowhead] (LR 400X).

  
  
  

Large bile duct obstruction. Expanded, light colored portal triads (arrows)(Row 1 Left 20X). Proliferating bile ductules (cyan arrows) with neutrophils (yellow arrows), not specific for acute cholangitis, of assistance with large bile duct obstruction (Row 1 Right 400X). Uninflamed interlobular duct (yellow arrow) with, accompanying blood vessel (red arrow) (Row 2 Left 400X). Bile infarct with pyknotic nuclei (arrows)(Row 2 Right 400X). Bile (arrow) in interlobular bile duct with disordered nuclei (Row 3 Left 400X). Bile plugs in cannaliculi (red arrows), feathery degeneration producing foamy macrophage-like hepatocytes (yellow arrows)(Row 3 Right 400X).

Congestive hepatopathy

General

  • Liver failure due to (right) heart failure.
  • AKA cardiac cirrhosis - a term used by clinicians.
    • Generally, it does not satisfy pathologic criteria for cirrhosis.[38]

Gross

  • "Nutmeg" liver - yellow spotted appearance.

Microscopic

Features:[39]

  • Zone III atrophy.
  • Portal venule (central vein) distension.
  • Perisinusoidal fibrosis - progresses to centrilobular fibrosis and then diffuse fibrosis.
  • Dilation of sinusoids in all zone III areas - key feature.[40]

DDx:

Images

  • Mild congestive hepatopathy. (WC)

  
  

Centrilobular necrosis (seen in circulatory failure and with toxins/drugs). PAS without diastase shows ovoids of necrosis {UL 40X). Necrosis with central vein [yellow arrowhead], inflammatory cells, residual Councilman body [green arrowhead], and hepatocyte with mitotic figure [red arrowhead] (UR 400X). Trichrome highlights fibrosis about central vein [yellow arrowhead] & shows beginning scar formation [green arrowheads]. Note residual atrophic hepatocytes [blue arrowheads] (LL 400X). Portal triads are largely unaffected (LR 400X)

  
  
  

Patient with congestive heart failure and stage I fibrosis. Dilated and undilated sinusoidal regions (left row 1 40X). Thrombi in sinusoids; glycogenated nuclei likely reflect patient’s diabetes mellitus (right row 1 400X). Dilated portal vein (left row 2 400X). Reticulin shows collapse (thick black lines) as well as a dilated portal vein (right row 2 200X). Trichrome shows space of Disse collagenization (pericellular fibrosis) (left row 3 200X). Trichrome shows periportal fibrosis; no bridging was seen (right row 3 200X).

Drug-induced liver disease

  • AKA drug-induced liver toxicity.
Main article: Drug-induced liver disease

Focal nodular hyperplasia

  • Abbreviated FNH.
Main article: Focal nodular hyperplasia

Nodular regenerative hyperplasia

General

Etiology

  • Arterial hypervascularity secondary to loss of hepatic vein radicles (loss of central venule in hepatic lobule).[41]

ASIDE: radicle = ramulus - smallest branch or vessel or nerve.[43]

Gross

  • Diffuse nodularity - whole liver.

Microscopic

Features:[41]

  • "Plump" hepatocytes surrounded by atrophic ones.
  • No fibrosis.

Sinuosoidal obstruction syndrome

  • May be referred to as Hepatic veno-occlusive disease.[44]

General

  • Term for obstruction due to toxicity from a chemotherapeutic agent.[45][33]

Clinical DDx:

Microscopic

Features:[33]

  • Subendothelial swelling in hepatic venules.

Negatives:

  • No thrombosis.

Ascending Cholangitis (Acute Cholangitis)

General

  • Term for infection of bile ducts, usually due to obstruction

Clinical DDx:


Microscopic

Images

  
  
  

Acute cholangitis in a patient with multiple bile duct procedures. After the biopsy, removal of bile duct stones released pus. Rounded, clear (edematous) portal tracts (arrows) separated by hepatocytes with dilated sinusoids (Row 1 Left 40X). Neutrophils about hepatocytes (arrows) have spilled into the lobule from a portal tract (Row 1 Right 200X). Proliferated bile ductules (arrows) bearing neutrophils within epithelium and lumens are features of obstruction that should prompt a search for interlobular ducts with acute inflammation (Row 2 Left 400X). The epithelium of the ducts can be severely degenerated. Neutrophils (cyan arrows) invade epithelium of an interlobular duct that are recognizable mainly as a circle of rounded nuclei; the associated arteriole (red arrow) should be identified to ensure an interlobular duct is being evaluated. Note the proliferated bile ductules (blue arrows) (Row 2 Right 400X). A PAS without diastase stain colors the arteriole (blue arrow), as well as the rim of the interlobular duct within which lies a neutrophil (cyan arrow) (Row 3 Left 400X). A PAS with diastase stain colors the arteriole (red arrow), as well as the rim of the interlobular duct within which lies a neutrophil (cyan arrow) (Row 3 Right 400X).


  
  
  

Patient with sepsis and acute cholangitis. Low power shows variably sized inflamed portal tracts (Row 1 Left 40X). Trichrome shows dilated sinusoids and space of Disse collagenization (Row 1 Right 200X). Inflammatory focus with macrophages and neutrophils (Row 2 Left 400X). PAS with diastase shows proliferated bile ductules at edge of triad with neutrophils, which should not be used to make a definite diagnosis of acute cholangitis (Row 2 Right 400X). PAS without diastase showing acutely inflamed bile duct, with accompanying blood vessel of similar size, diagnostic of acute cholangitis (Row 3 Left 400X). PAS with diastase showing neutrophil in bille duct lumen, diagnostic of acute cholangitis (Row 3 Right 400X).

Polycystic kidney disease and the liver

Main article: Cystic kidney disease

General

Complications of PKD in the liver:[46]

  1. Infected cyst.
  2. Cholangiocarcinoma.
  3. Cholestasis/obstruction due to duct compression.[47]

Cysts:

  • Cysts in the liver, like the kidney, are thought to enlarge with age.

Microscopic

Features:[48]

  • Von Meyenburg complexes (bile duct hamartoma):
    • Cluster of dilated ducts with "altered" bile.
    • Surrounded by collagenous stroma.
    • Separate from the portal areas.[49]

Images:

Notes:

  • Appearance on ultrasound[50] and CT (hypodense)[51] - similar to metastases.

Peliosis hepatis

General

  • Associated with:
    • Infections.
    • Malignancy.
    • Other stuff.
  • Rarely biopsied.

Microscopic

Features:

  • Cyst lined by endothelium.
    • Usu. incomplete.
  • Blood.
  
  

Peliosis hepatis. Hemorrhage at left end, dilated sinusoids elsewhere (UL 20X). Ramifying dilated sinusoidal spaces (UR 100X). PAS with diastase shows flat lining (LL 400X). Necrotic hepatocytes in cords, presumably due to pressure (LR 400X).

Total parenteral nutrition

  • Abbreviated TPN.

General

  • Indication: short gut syndrome, others.

Microscopic

Variable - may range from: steatosis, steatohepatitis, cholestasis, fibrosis and cirrhosis.[52]

Features (classic):[53][54]

  • Steatosis (periportal) - early.
  • Cholestasis - late.

Giant cell hepatitis

  • AKA neonatal giant cell hepatitis.
See: Giant cell hepatitis.

Hepatic amyloidosis

Main article: Amyloidosis
  • AKA liver amyloidosis.
  • AKA amyloidosis of the liver.

General

Microscopic

Features:

  • Amorphous extracellular pink stuff on H&E - see amyloid article.

DDx:

Images

  • Amyloidosis of the liver - low mag. (WC)

  • Amyloidosis of the liver - intermed. mag. (WC)

  • Amyloidosis of the liver - high mag. (WC)

  • Amyloidosis of the liver - very high mag. (WC)

  
  

Amyloidosis. Amorphous material replaces hepatic parenchyma [UL 4X]. Material barely stains blue on trichrome [UR 10X] Material stains red on unpolarized Congo Red [LL 40X] Material stains apple green on polarized Congo Red [LR 40X]

Stains

Fulminant hepatic necrosis

General

Etiology:

Microscopic

Features:

  • Hepatocyte necrosis.
  • Bile duct proliferation.

DDx:

Secondary hemochromatosis

For the hereditary one see hereditary hemochromatosis.

General

  • Iron overload secondary to blood transfusions for hereditary or acquired anemia.[55]
  • Imaging considered the best test, as iron deposition is patchy.[55]

Selected hereditary causes:[55]

Selected acquired causes:[55]

Microscopic

See hereditary hemochromatosis.

Hepatic sarcoidosis

Main article: Hepatic sarcoidosis

See also

References

  1. ↑ Mitchell, Richard; Kumar, Vinay; Fausto, Nelson; Abbas, Abul K.; Aster, Jon (2011). Pocket Companion to Robbins & Cotran Pathologic Basis of Disease (8th ed.). Elsevier Saunders. pp. 448. ISBN 978-1416054542.
  2. ↑ Mitchell, Richard; Kumar, Vinay; Fausto, Nelson; Abbas, Abul K.; Aster, Jon (2011). Pocket Companion to Robbins & Cotran Pathologic Basis of Disease (8th ed.). Elsevier Saunders. pp. 441. ISBN 978-1416054542.
  3. ↑ URL: http://www.clevelandclinicmeded.com/medicalpubs/diseasemanagement/hepatology/hepatitis-B/. Accessed on: 16 May 2011.
  4. ↑ 4.0 4.1 URL: http://www.labtestsonline.org/understanding/analytes/hepatitis_b/test.html. Accessed on: 16 May 2011.
  5. ↑ URL: http://labtestsonline.org/understanding/analytes/hepatitis-b/tab/test. Accessed on: 3 May 2012.
  6. ↑ Diagnostic accuracy of serum ceruloplasmin in Wilson disease: determination of sensitivity and specificity by ROC curve analysis among ATP7B-genotyped subjects. Mak CM, Lam CW, Tam S. Clin Chem. 2008 Aug;54(8):1356-62. Epub 2008 Jun 12. PMID 18556333. URL: http://www.clinchem.org/cgi/reprint/54/8/1356.pdf. Accessed on: 28 September 2009.
  7. ↑ URL: http://insidesurgery.com/2010/12/hepatopedal-hepatofugal-flow/. Accessed on: 2 December 2011.
  8. ↑ 8.0 8.1 Bion, E.; Brenard, R.; Pariente, EA.; Lebrec, D.; Degott, C.; Maitre, F.; Benhamou, JP. (Feb 1991). "Sinusoidal portal hypertension in hepatic amyloidosis.". Gut 32 (2): 227-30. PMC 1378815. PMID 1864548. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1378815/.
  9. ↑ Burt, Alastair D.;Portmann, Bernard C.;Ferrell, Linda D. (2006). MacSween's Pathology of the Liver (5th ed.). Churchill Livingstone. pp. 418. ISBN 978-0-443-10012-3.
  10. ↑ OA. September 2009.
  11. ↑ "Terminology of chronic hepatitis, hepatic allograft rejection, and nodular lesions of the liver: summary of recommendations developed by an international working party, supported by the World Congresses of Gastroenterology, Los Angeles, 1994.". Am J Gastroenterol 89 (8 Suppl): S177-81. Aug 1994. PMID 8048409.
  12. ↑ URL: http://familydoctor.org/familydoctor/en/diseases-conditions/hepatitis-b.html. Accessed on: 2 May 2012.
  13. ↑ Jeong SH, Lee HS (2010). "Hepatitis A: clinical manifestations and management". Intervirology 53 (1): 15–9. doi:10.1159/000252779. PMID 20068336.
  14. ↑ STC. 6 December 2010.
  15. ↑ Yoon EJ, Hu KQ. Hepatitis C virus (HCV) infection and hepatic steatosis. Int J Med Sci. 2006;3(2):53-6. Epub 2006 Apr 1. PMID 16614743. Avialable at: http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1415843. Accessed on: September 9, 2009.
  16. ↑ OA. September 2009.
  17. ↑ Mitchell, Richard; Kumar, Vinay; Fausto, Nelson; Abbas, Abul K.; Aster, Jon (2011). Pocket Companion to Robbins & Cotran Pathologic Basis of Disease (8th ed.). Elsevier Saunders. pp. 448. ISBN 978-1416054542.
  18. ↑ URL: http://emedicine.medscape.com/article/170539-overview. Accessed on: 3 May 2012.
  19. ↑ STC. 6 December 2010.
  20. ↑ STC. 6 December 2010.
  21. ↑ Jensen K, Gluud C (November 1994). "The Mallory body: theories on development and pathological significance (Part 2 of a literature survey)". Hepatology 20 (5): 1330-42. PMID 7927269.
  22. ↑ MG. September 2009.
  23. ↑ Muratori, P.; Granito, A.; Pappas, G.; Pendino, GM.; Quarneti, C.; Cicola, R.; Menichella, R.; Ferri, S. et al. (Jun 2009). "The serological profile of the autoimmune hepatitis/primary biliary cirrhosis overlap syndrome.". Am J Gastroenterol 104 (6): 1420-5. doi:10.1038/ajg.2009.126. PMID 19491855.
  24. ↑ 24.0 24.1 Online 'Mendelian Inheritance in Man' (OMIM) 263200
  25. ↑ Online 'Mendelian Inheritance in Man' (OMIM) 600643
  26. ↑ 26.0 26.1 Yonem, O.; Bayraktar, Y. (Apr 2007). "Clinical characteristics of Caroli's syndrome.". World J Gastroenterol 13 (13): 1934-7. PMID 17461493.
  27. ↑ Yonem, O.; Bayraktar, Y. (Apr 2007). "Clinical characteristics of Caroli's disease.". World J Gastroenterol 13 (13): 1930-3. PMID 17461492.
  28. ↑ Karim, AS. (Aug 2004). "Caroli's disease.". Indian Pediatr 41 (8): 848-50. PMID 15347876.
  29. ↑ Brancatelli, G.; Federle, MP.; Vilgrain, V.; Vullierme, MP.; Marin, D.; Lagalla, R.. "Fibropolycystic liver disease: CT and MR imaging findings.". Radiographics 25 (3): 659-70. doi:10.1148/rg.253045114. PMID 15888616.
  30. ↑ URL: http://www.meddean.luc.edu/lumen/MedEd/orfpath/develop.htm. Accessed on: 1 December 2011.
  31. ↑ Fox, MA.; Fox, JA.; Davies, MH. (2011). "Budd-Chiari syndrome--a review of the diagnosis and management.". Acute Med 10 (1): 5-9. PMID 21573256.
  32. ↑ Plessier, A.; Valla, DC. (Aug 2008). "Budd-Chiari syndrome.". Semin Liver Dis 28 (3): 259-69. doi:10.1055/s-0028-1085094. PMID 18814079.
  33. ↑ 33.0 33.1 33.2 Aydinli, M.; Bayraktar, Y. (May 2007). "Budd-Chiari syndrome: etiology, pathogenesis and diagnosis.". World J Gastroenterol 13 (19): 2693-6. PMID 17569137. http://www.wjgnet.com/1007-9327/full/v13/i19/2693.htm.
  34. ↑ 34.0 34.1 Inomata, Y.; Tanaka, K. (2001). "Pathogenesis and treatment of bile duct loss after liver transplantation.". J Hepatobiliary Pancreat Surg 8 (4): 316-22. doi:10.1007/s0053410080316. PMID 11521176.
  35. ↑ 35.0 35.1 Reau, NS.; Jensen, DM. (Feb 2008). "Vanishing bile duct syndrome.". Clin Liver Dis 12 (1): 203-17, x. doi:10.1016/j.cld.2007.11.007. PMID 18242505.
  36. ↑ Yeh, KH.; Hsieh, HC.; Tang, JL.; Lin, MT.; Yang, CH.; Chen, YC. (Aug 1994). "Severe isolated acute hepatic graft-versus-host disease with vanishing bile duct syndrome.". Bone Marrow Transplant 14 (2): 319-21. PMID 7994249.
  37. ↑ Chitturi, S.; Farrell, GC. (Apr 2001). "Drug-induced cholestasis.". Semin Gastrointest Dis 12 (2): 113-24. PMID 11352118.
  38. ↑ URL: http://emedicine.medscape.com/article/151792-overview. Accessed on: 17 June 2010.
  39. ↑ URL: http://emedicine.medscape.com/article/151792-diagnosis. Accessed on: 17 June 2010.
  40. ↑ Suggested by OA. September 2009.
  41. ↑ 41.0 41.1 41.2 Cotran, Ramzi S.; Kumar, Vinay; Fausto, Nelson; Nelso Fausto; Robbins, Stanley L.; Abbas, Abul K. (2005). Robbins and Cotran pathologic basis of disease (7th ed.). St. Louis, Mo: Elsevier Saunders. pp. 922. ISBN 0-7216-0187-1.
  42. ↑ Bissonnette, J.; Généreux, A.; Côté, J.; Nguyen, B.; Perreault, P.; Bouchard, L.; Pomier-Layrargues, G. (Aug 2012). "Hepatic hemodynamics in 24 patients with nodular regenerative hyperplasia and symptomatic portal hypertension.". J Gastroenterol Hepatol 27 (8): 1336-40. doi:10.1111/j.1440-1746.2012.07168.x. PMID 22554152.
  43. ↑ Dorland's Medical Dictionary. 30th Ed.
  44. ↑ DeLeve, LD.; Shulman, HM.; McDonald, GB. (Feb 2002). "Toxic injury to hepatic sinusoids: sinusoidal obstruction syndrome (veno-occlusive disease).". Semin Liver Dis 22 (1): 27-42. doi:10.1055/s-2002-23204. PMID 11928077..
  45. ↑ Helmy, A. (Jan 2006). "Review article: updates in the pathogenesis and therapy of hepatic sinusoidal obstruction syndrome.". Aliment Pharmacol Ther 23 (1): 11-25. doi:10.1111/j.1365-2036.2006.02742.x. PMID 16393276.
  46. ↑ Burt, Alastair D.;Portmann, Bernard C.;Ferrell, Linda D. (2006). MacSween's Pathology of the Liver (5th ed.). Churchill Livingstone. pp. 174-5. ISBN 978-0-443-10012-3.
  47. ↑ URL: http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pubmed&pubmedid=9184868. Accessed on: 23 September 2009.
  48. ↑ Burt, Alastair D.;Portmann, Bernard C.;Ferrell, Linda D. (2006). MacSween's Pathology of the Liver (5th ed.). Churchill Livingstone. pp. 176. ISBN 978-0-443-10012-3.
  49. ↑ Meyenburg complex. Stedman's Medical Dictionary. 27th Ed.
  50. ↑ Bile duct hamartomas--the von Meyenburg complex. Salles VJ, Marotta A, Netto JM, Speranzini MB, Martins MR. Hepatobiliary Pancreat Dis Int. 2007 Feb;6(1):108-9. PMID 17287178.
  51. ↑ [The von Meyenburg complex] Schwab SA, Bautz W, Uder M, Kuefner MA. Rontgenpraxis. 2008;56(6):241-4. German. PMID 19294869.
  52. ↑ Guglielmi FW, Boggio-Bertinet D, Federico A, et al. (September 2006). "Total parenteral nutrition-related gastroenterological complications". Dig Liver Dis 38 (9): 623–42. doi:10.1016/j.dld.2006.04.002. PMID 16766237.
  53. ↑ Li, SJ.; Nussbaum, MS.; McFadden, DW.; Gapen, CL.; Dayal, R.; Fischer, JE. (Aug 1988). "Addition of glucagon to total parenteral nutrition (TPN) prevents hepatic steatosis in rats.". Surgery 104 (2): 350-7. PMID 3135627.
  54. ↑ Stanko, RT.; Nathan, G.; Mendelow, H.; Adibi, SA. (Jan 1987). "Development of hepatic cholestasis and fibrosis in patients with massive loss of intestine supported by prolonged parenteral nutrition.". Gastroenterology 92 (1): 197-202. PMID 3096806.
  55. ↑ 55.0 55.1 55.2 55.3 Gattermann, N. (Jul 2009). "The treatment of secondary hemochromatosis.". Dtsch Arztebl Int 106 (30): 499-504, I. doi:10.3238/arztebl.2009.0499. PMC 2735704. PMID 19727383. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2735704/.
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