Patterns of resolution in successfully treated hepatic amebic abscess: sonographic evaluation

Area of Science:

• Radiology
• Infectious Diseases
• Hepatology

Background:

• Hepatic amebic abscess is a significant parasitic infection.
• Gray-scale sonography is a key imaging modality for diagnosis and follow-up.

Purpose of the Study:

• To analyze the sonographic findings in patients with successfully treated hepatic amebic abscess.
• To understand the natural history and resolution patterns of these abscesses post-treatment.

Main Methods:

• Retrospective analysis of gray-scale sonographic data.
• Follow-up imaging of 32 patients with confirmed hepatic amebic abscess post-treatment.

Main Results:

• The majority of cases (23/32) showed complete resolution to a normal hepatic parenchymal pattern within 1.5-23 months (median 7 months).
• A subgroup (6/32) had persistent sonographic residua resembling simple liver cysts.
• Three lesions exhibited altered hepatic echogenicity post-treatment.

Conclusions:

• Transient or persistent sonographic abnormalities after successful treatment do not necessitate re-initiation of therapy or further diagnostic procedures.
• Sonographic follow-up reveals diverse resolution patterns, including complete normalization and cyst-like residua.