Related Experiment Video

Updated: Aug 10, 2026

Identification of Virulence Markers of Mycobacterium abscessus for Intracellular Replication in Phagocytes
08:34

Identification of Virulence Markers of Mycobacterium abscessus for Intracellular Replication in Phagocytes

Published on: September 27, 2018

[Descriptive study of 39 cases of hepatic abscess of pyogenic and amebic origin]

F Blanco Quintana1, B Novella Arribas, P Sánchez Molini

  • 1Servicio de Medicina Interna-Infecciosas, Hospital Universitario de la Princesa, Universidad Autónoma de Madrid.

Anales De Medicina Interna (Madrid, Spain : 1984)
|October 1, 1995
PubMed

Insights

This review of liver abscess cases found pyogenic liver abscesses more common than amebic ones, with bile duct disease a frequent cause. Imaging like CT scans proved highly effective for diagnosis.

Area of Science:

  • Hepatology
  • Infectious Diseases
  • Radiology

Context:

  • A retrospective review of 39 liver abscess cases (33 pyogenic, 6 amebic) treated between 1980 and 1994.
  • Analysis of patient demographics, underlying pathologies, clinical presentations, diagnostic methods, and treatment outcomes.

Purpose:

  • To review and analyze the characteristics and management of pyogenic and amebic liver abscesses.
  • To evaluate the diagnostic accuracy of imaging modalities and microbiological cultures.

Summary:

  • Pyogenic liver abscesses (PLA) were more prevalent, with a mean age of 55.66 years and a male-to-female ratio of 2.3:1. Bile duct disease was the most common underlying pathology.
  • Amebic liver abscesses (ALA) occurred in younger patients (mean age 35.83 years, M:F ratio 5:1), with travel to endemic areas noted in some cases.
  • Fever was the most common symptom. Echography and CT scans demonstrated high diagnostic sensitivity (86.66% and 95.65%, respectively). Escherichia coli and Klebsiella pneumoniae were the most frequent bacterial isolates in PLA.
  • Drainage procedures (percutaneous or surgical) were common interventions. The overall mortality rate was 10.26% (4/39 patients).

Impact:

  • Highlights the importance of imaging techniques like CT scans in diagnosing liver abscesses.
  • Provides insights into the common pathogens and predisposing factors for pyogenic liver abscesses.
  • Contributes to understanding the clinical presentation and management strategies for both pyogenic and amebic liver abscesses.

More Related Videos

Retroperitoneal Laparoscopic Debridement and Drainage for Pancreatic Abscess03:42

Retroperitoneal Laparoscopic Debridement and Drainage for Pancreatic Abscess

Published on: March 15, 2024

A Retrospective Study on Endoscopic Surgery for the Treatment of Paravertebral Abscess in Spinal Tuberculosis Patients03:47

A Retrospective Study on Endoscopic Surgery for the Treatment of Paravertebral Abscess in Spinal Tuberculosis Patients

Published on: October 25, 2024

Related Concept Videos

Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies01:28

Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies

Peptic ulcer disease (PUD) presents with diverse symptoms depending on the location and severity of the ulcer. Clinical manifestations of peptic ulcer include dull pain and a burning sensation in the mid-epigastric region.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
Acute Pyelonephritis I: Introduction01:27

Acute Pyelonephritis I: Introduction

Pyelonephritis is a bacterial infection that primarily affects the renal parenchyma and collecting system, including the renal pelvis, tubules, and interstitial tissue of one or both kidneys. It can be classified as either acute—a sudden, severe infection—or chronic, which refers to long-term or recurrent kidney infections.The primary cause of acute pyelonephritis (APN) is bacterial infection, with Escherichia coli accounting for approximately 70-80% of cases. Other bacteria, such as Proteus,...
Acute Pyelonephritis II: Diagnostic Studies and Management01:28

Acute Pyelonephritis II: Diagnostic Studies and Management

Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...
Viral Meningitis01:18

Viral Meningitis

Viral meningitis is the most common form of meningitis and is often referred to as aseptic meningitis to indicate the absence of bacterial involvement. It is generally milder than bacterial meningitis, with symptoms including fever, headache, stiff neck, drowsiness, nausea, photophobia, and vomiting. Rarely, more severe manifestations or death may occur. Common causative agents include enteroviruses, particularly coxsackie A and B viruses and echoviruses, all members of the Enterovirus genus...
Amebiasis01:28

Amebiasis

Entamoeba histolytica, a protozoan parasite, is responsible for intestinal and extraintestinal amebiasis. Though a significant proportion of infections remain asymptomatic, approximately 50 million individuals annually are estimated to present with clinical disease, resulting in up to 100,000 deaths globally. The disease burden is disproportionately high in regions with lower socioeconomic status, such as parts of India, Africa, Mexico, and Latin America.Etiology and TransmissionThe infective...
Brain Abscess l: Introduction01:26

Brain Abscess l: Introduction

A brain abscess is a focal, intracerebral infection characterized by a localized collection of pus within the brain parenchyma, resulting from microbial invasion and the body’s inflammatory response. It progresses through stages: early and late cerebritis, followed by early and late capsule formation, reflecting tissue destruction, immune response, and eventual encapsulation.Etiology and PathogenesisCausative organisms vary with source and host factors, often involving polymicrobial infections,...