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==Differential Diagnosis==
==Differential Diagnosis==
Pyogenic liver abscess must be differentiated from:<ref name="pmid15189463">{{cite journal| author=Lodhi S, Sarwari AR, Muzammil M, Salam A, Smego RA| title=Features distinguishing amoebic from pyogenic liver abscess: a review of 577 adult cases. | journal=Trop Med Int Health | year= 2004 | volume= 9 | issue= 6 | pages= 718-23 | pmid=15189463 | doi=10.1111/j.1365-3156.2004.01246.x | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=15189463  }} </ref><ref name="pmid5054724">{{cite journal| author=Barbour GL, Juniper K| title=A clinical comparison of amebic and pyogenic abscess of the liver in sixty-six patients. | journal=Am J Med | year= 1972 | volume= 53 | issue= 3 | pages= 323-34 | pmid=5054724 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=5054724  }} </ref><ref name="pmid3316923">{{cite journal| author=Barnes PF, De Cock KM, Reynolds TN, Ralls PW| title=A comparison of amebic and pyogenic abscess of the liver. | journal=Medicine (Baltimore) | year= 1987 | volume= 66 | issue= 6 | pages= 472-83 | pmid=3316923 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=3316923  }} </ref><ref name="pmid3945889">{{cite journal| author=Conter RL, Pitt HA, Tompkins RK, Longmire WP| title=Differentiation of pyogenic from amebic hepatic abscesses. | journal=Surg Gynecol Obstet | year= 1986 | volume= 162 | issue= 2 | pages= 114-20 | pmid=3945889 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=3945889  }} </ref><ref name="pmid9834333">{{cite journal| author=Lipsett PA, Huang CJ, Lillemoe KD, Cameron JL, Pitt HA| title=Fungal hepatic abscesses: Characterization and management. | journal=J Gastrointest Surg | year= 1997 | volume= 1 | issue= 1 | pages= 78-84 | pmid=9834333 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=9834333  }} </ref><ref name="pmid3275982">{{cite journal| author=Pastakia B, Shawker TH, Thaler M, O'Leary T, Pizzo PA| title=Hepatosplenic candidiasis: wheels within wheels. | journal=Radiology | year= 1988 | volume= 166 | issue= 2 | pages= 417-21 | pmid=3275982 | doi=10.1148/radiology.166.2.3275982 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=3275982  }} </ref><ref name="pmid11452064">{{cite journal| author=Mortelé KJ, Ros PR| title=Cystic focal liver lesions in the adult: differential CT and MR imaging features. | journal=Radiographics | year= 2001 | volume= 21 | issue= 4 | pages= 895-910 | pmid=11452064 | doi=10.1148/radiographics.21.4.g01jl16895 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=11452064  }} </ref>
Pyogenic liver abscess must be differentiated from:<ref name="pmid15189463">{{cite journal| author=Lodhi S, Sarwari AR, Muzammil M, Salam A, Smego RA| title=Features distinguishing amoebic from pyogenic liver abscess: a review of 577 adult cases. | journal=Trop Med Int Health | year= 2004 | volume= 9 | issue= 6 | pages= 718-23 | pmid=15189463 | doi=10.1111/j.1365-3156.2004.01246.x | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=15189463  }} </ref><ref name="pmid5054724">{{cite journal| author=Barbour GL, Juniper K| title=A clinical comparison of amebic and pyogenic abscess of the liver in sixty-six patients. | journal=Am J Med | year= 1972 | volume= 53 | issue= 3 | pages= 323-34 | pmid=5054724 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=5054724  }} </ref><ref name="pmid3316923">{{cite journal| author=Barnes PF, De Cock KM, Reynolds TN, Ralls PW| title=A comparison of amebic and pyogenic abscess of the liver. | journal=Medicine (Baltimore) | year= 1987 | volume= 66 | issue= 6 | pages= 472-83 | pmid=3316923 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=3316923  }} </ref><ref name="pmid3945889">{{cite journal| author=Conter RL, Pitt HA, Tompkins RK, Longmire WP| title=Differentiation of pyogenic from amebic hepatic abscesses. | journal=Surg Gynecol Obstet | year= 1986 | volume= 162 | issue= 2 | pages= 114-20 | pmid=3945889 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=3945889  }} </ref><ref name="pmid9834333">{{cite journal| author=Lipsett PA, Huang CJ, Lillemoe KD, Cameron JL, Pitt HA| title=Fungal hepatic abscesses: Characterization and management. | journal=J Gastrointest Surg | year= 1997 | volume= 1 | issue= 1 | pages= 78-84 | pmid=9834333 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=9834333  }} </ref><ref name="pmid3275982">{{cite journal| author=Pastakia B, Shawker TH, Thaler M, O'Leary T, Pizzo PA| title=Hepatosplenic candidiasis: wheels within wheels. | journal=Radiology | year= 1988 | volume= 166 | issue= 2 | pages= 417-21 | pmid=3275982 | doi=10.1148/radiology.166.2.3275982 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=3275982  }} </ref><ref name="pmid11452064">{{cite journal| author=Mortelé KJ, Ros PR| title=Cystic focal liver lesions in the adult: differential CT and MR imaging features. | journal=Radiographics | year= 2001 | volume= 21 | issue= 4 | pages= 895-910 | pmid=11452064 | doi=10.1148/radiographics.21.4.g01jl16895 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=11452064 }} </ref><ref name="pmid7668917">{{cite journal| author=Suwan Z| title=Sonographic findings in hydatid disease of the liver: comparison with other imaging methods. | journal=Ann Trop Med Parasitol | year= 1995 | volume= 89 | issue= 3 | pages= 261-9 | pmid=7668917 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=7668917 }} </ref>


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Revision as of 21:07, 27 February 2017

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Yamuna Kondapally, M.B.B.S[2]

Overview

Pyogenic liver abscess must be differentiated from other diseases with similar presentation such as amoebic liver abscess, fungal liver abscess, echinococcal (hydatid) cyst and malignancy (hepatocelluar carcinoma or metastasis).[1][2][3][4]

Differential Diagnosis

Pyogenic liver abscess must be differentiated from:[1][2][3][4][5][6][7][8]

Disease Causes symptoms Lab Findings Imaging Findings Other Findings
Fever Pain cough Hepatomegaly Jaundice Weight loss Anorexia Diarrhoea

or Dysentry

Nausea and

vomiting

Stool
Abdominal pain

(right upper quadrant pain)

Pleuritic pain
Amoebic

liver abscess

Entamoeba

histolytica

✔✔✔ ✔✔✔ ✔/✘ ✔ ✔✔/✘ ✔

(late stages)

✔

(late stages)

✔ ✔ ✔ Hypoalbuminemia

✔

  • Respond well to chemotherapy and rarely require drainage
  • Marked male predominance
  • More common in developing countries
  • Sero-positive
  • Right lobe is more frequently involved
Pyogenic liver abscess Bacteria
  • Gram-positive aerobes
  • Gram-negative enterics
  • Anaerobic organisms
  • Acid fast bacilli
 ✔ ✔ ✔✔ ✔✔ ✔/✘ ✔✔✔ ✔

(acute loss)

✔ ✔ Pale/dark Hypoalbuminemia

✔✔✔

  • Abnormal pulmonary findings
  • Diabetes mellitus increases the risk
  • Medical-surgical approach is indicated
  • More common in developed countries
  • Culture positive and sero-negative
  • Both lobes are commonly involved
Fungal liver abscess Candida species ✔ ✔ ✔/✘ ✔ ✔ ✔ ✔ ✔ ✔ ✔ CT and Us findings with four patterns of presentation:
  • Wheel-within-a-wheel pattern
  • Bull’s-eye configuration pattern
  • Uniformly hypoechoic nodule
  • echogenic foci with variable degrees of posterior acoustic shadowing
  • Less common
  • Pure fungal abscess or associated with pyogenic abscess
  • Candida and Aspergillus are commonly found in the culture of aspirated pus
  • Associated with underlying malignancy or DM
Echinococcal (hydatid) cyst Echinococcus granulosus ✔ ✔ ✔

(Obstructive jaundice)

✔ ✔ Histology: Hydatid cyst with three layers

a.The outer pericyst, which corresponds with compressed and fibrosed liver tissue

b.The endocyst, an inner germinal layer

c.The ectocyst, a thin, translucent interleaved membrane

Ultrasound:
  • Cystic to solid-appearing pseudotumors
  • Water lily sign
  • Calcifications seen peripherally
  • Blood or liquid from the ruptured cyst may be coughed up
  • Pruritis
Malignancy

(Hepatocellular carcinoma/Metastasis)

  • Hepatitis B and C
  • Aflatoxins
  • Alcohol
  • Heamochromatosis
  • Alpha 1 antitrypsin deficiency
  • Non alcoholic fatty liver disease
 ✔

(uncommon)

✔ ✔ Other symptoms:
  • Splenomegaly
  • Variceal bleeding
  • Ascites
  • Spider nevi
  • Asterixis

References

  1. ↑ 1.0 1.1 Lodhi S, Sarwari AR, Muzammil M, Salam A, Smego RA (2004). "Features distinguishing amoebic from pyogenic liver abscess: a review of 577 adult cases". Trop Med Int Health. 9 (6): 718–23. doi:10.1111/j.1365-3156.2004.01246.x. PMID 15189463.
  2. ↑ 2.0 2.1 Barbour GL, Juniper K (1972). "A clinical comparison of amebic and pyogenic abscess of the liver in sixty-six patients". Am J Med. 53 (3): 323–34. PMID 5054724.
  3. ↑ 3.0 3.1 Barnes PF, De Cock KM, Reynolds TN, Ralls PW (1987). "A comparison of amebic and pyogenic abscess of the liver". Medicine (Baltimore). 66 (6): 472–83. PMID 3316923.
  4. ↑ 4.0 4.1 Conter RL, Pitt HA, Tompkins RK, Longmire WP (1986). "Differentiation of pyogenic from amebic hepatic abscesses". Surg Gynecol Obstet. 162 (2): 114–20. PMID 3945889.
  5. ↑ Lipsett PA, Huang CJ, Lillemoe KD, Cameron JL, Pitt HA (1997). "Fungal hepatic abscesses: Characterization and management". J Gastrointest Surg. 1 (1): 78–84. PMID 9834333.
  6. ↑ Pastakia B, Shawker TH, Thaler M, O'Leary T, Pizzo PA (1988). "Hepatosplenic candidiasis: wheels within wheels". Radiology. 166 (2): 417–21. doi:10.1148/radiology.166.2.3275982. PMID 3275982.
  7. ↑ Mortelé KJ, Ros PR (2001). "Cystic focal liver lesions in the adult: differential CT and MR imaging features". Radiographics. 21 (4): 895–910. doi:10.1148/radiographics.21.4.g01jl16895. PMID 11452064.
  8. ↑ Suwan Z (1995). "Sonographic findings in hydatid disease of the liver: comparison with other imaging methods". Ann Trop Med Parasitol. 89 (3): 261–9. PMID 7668917.
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