Ultrasonic features of pyogenic and amoebic hepatic abscesses

Oleszczuk-Raszke, K; Cremin, B. J.; Fisher, R. M.; Moore, Samuel W.; Millar, A. J. W.

doi:10.1007/bf02386840

Cited by 9 publications

(5 citation statements)

References 19 publications

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“…Moreover, effective staging of hepatic infection is important for proper treatment, which may include wide-spectrum IV antibiotics, percutaneous aspiration, percutaneous drainage, and surgical drainage [4,8]. Knowledge of the number and sizes of lesions and of their internal architec- [6,9,10]. Gray-scale imaging is a main area of advancement for contrast-enhanced sonography.…”

Section: Discussionmentioning

confidence: 99%

Low Mechanical Index Contrast-Enhanced Sonographic Findings of Pyogenic Hepatic Abscesses

Catalano

Sandomenico²,

Raso³

et al. 2004

American Journal of Roentgenology

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Contrast-specific sonography was used to assess eight cases of aspiration-confirmed pyogenic liver abscesses. All cases were correlated with multiphasic helical CT findings. Continuous sonographic exploration allowed recognition of morphologic details not detectable on CT images. Contrast-specific sonograms showed features including rim enhancement, arteries along abscess margins and internal septa, dense and persistent septal enhancement, absent microcirculation in fluid and necrotic components, transient arterial phase hypervascularity around abscesses, and portal phase hypovascularity around abscesses. This constellation of findings is suggestive of liver abscess.

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Section: Discussionmentioning

confidence: 99%

Low Mechanical Index Contrast-Enhanced Sonographic Findings of Pyogenic Hepatic Abscesses

Catalano

Sandomenico²,

Raso³

et al. 2004

American Journal of Roentgenology

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“…28 PLAs are, however, reported to have more irregular, indistinct edges than ALA and are more likely to have a "honeycomb" appearance, whereas ALAs tend toward more well-defined round or oval lesions 29 and are more likely to have peripheral halos. 25,26,30,31 When liquefaction ensues, the cavities of both ALA and PLA reflect variable content including homogeneous echogenic or anechoic fluid (►Fig. 6), heterogeneous fluid with internal debris, and even air-fluid levels.…”

Section: Imaging Plain Filmmentioning

confidence: 99%

“…Multiple ALAs are likely to be contiguous, whereas multiple PLA are likely to be widely dispersed. 30 With regard to healing, PLAs shrink without much change in echogenicity after treatment, whereas ALAs may become more well-defined. 30…”

Section: Imaging Plain Filmmentioning

confidence: 99%

“…10). 28,30 CT scan of the abdomen should preferably be avoided in children due to the high radiation burden. However, when MRI is unavailable, CT in the portal venous phase is advised.…”

Section: Magnetic Resonance Imaging and Computed Tomographymentioning

confidence: 99%

“…Larger abscesses may either have a well-defined poorly enhancing rim with a central area that is hypodense or may have an irregular margin with evidence of internal septa and complex fluid. 30 ►Table 1 summarizes salient imaging features that should be mentioned to assist with decisions regarding clinical and surgical management.…”

Section: Magnetic Resonance Imaging and Computed Tomographymentioning

confidence: 99%

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Liver Abscess in Children

Milford

Gaxa

et al. 2017

J Pediatr Infect Dis

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Liver abscess is a global disease, although it occurs more commonly in areas with poor socioeconomic circumstances. The majority of liver abscesses are pyogenic in nature, but amebiasis is a common cause in areas where the parasite is endemic and sanitation is underdeveloped. This article reviews pyogenic and amebic liver abscesses with special focus on the role of imaging in both diagnosis and management. The epidemiology, pathology, and clinical presentation are also discussed.

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Conservative initial treatment for liver abscesses in children

Moore

Millar

Cywes

1994

Journal of British Surgery

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A total of 124 children aged less than 14 years with a liver abscess were seen in a 16-year period (1974-1990) and treated by non-operative initial management. Of the abscesses 98 occurred in the right liver and 26 in the left. The abscesses were solitary in 93 patients. Overall, 77 of the solitary and 21 of the multiple abscesses were confined to the right liver. In 78 of the right-sided and 20 of the left-sided abscesses the infection was primarily pyogenic in nature with Staphylococcus aureus being the usual organism cultured. The remainder were of amoebic origin. Clinical features were similar in patients with amoebic and pyogenic abscesses. Clinical and ultrasonographic follow-up demonstrated successful non-operative management and healing in 37 per cent of all patients submitted to an initial protocol of medical supportive care and antibiotic therapy. Of the multiple abscesses 60 per cent responded to non-operative management. Fourteen of the 16 solitary left-sided liver abscesses required drainage and three left-sided abscesses ruptured before drainage. Patients with a solitary left-sided abscess warrant early operative intervention.

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Ultrasonic features of pyogenic and amoebic hepatic abscesses

Cited by 9 publications

References 19 publications

Low Mechanical Index Contrast-Enhanced Sonographic Findings of Pyogenic Hepatic Abscesses

Low Mechanical Index Contrast-Enhanced Sonographic Findings of Pyogenic Hepatic Abscesses

Liver Abscess in Children

Conservative initial treatment for liver abscesses in children

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