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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,...

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Related Experiment Video

Updated: Jul 15, 2026

Laparoscopic Anatomical Liver Segment VII Resection with Liver Parenchymal Transection Following a Priority Approach
13:57

Laparoscopic Anatomical Liver Segment VII Resection with Liver Parenchymal Transection Following a Priority Approach

Published on: May 23, 2025

Pyogenic liver abscess presenting after malignant polypectomy.

Ian G Harnik1

  • 1The Mount Sinai Hospital, Department of Medicine. Ian.Harnik@mssm.edu

Digestive Diseases and Sciences
|April 5, 2007
PubMed
Summary

Streptococcus bovis bacteremia is linked to colon cancer. A case of liver abscess and bacteremia occurred after colon adenocarcinoma removal, prompting a review of screening recommendations for similar presentations.

Area of Science:

  • Microbiology
  • Gastroenterology
  • Oncology

Background:

  • The association between Streptococcus bovis bacteremia and occult colorectal cancer has been recognized since 1977.
  • Colorectal cancer screening is crucial for early detection and improved patient outcomes.

Observation:

  • A patient developed pyogenic liver abscess and bacteremia caused by Streptococcus viridans one week post-polypectomy for colonic adenocarcinoma.
  • This case presents a distinct microbiological finding compared to the established Streptococcus bovis association.

Findings:

  • The study investigates the etiological link between Streptococcus viridans bacteremia and recent colorectal procedures.
  • It reviews existing evidence on the necessity of colon cancer screening in patients with similar clinical presentations.

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Last Updated: Jul 15, 2026

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Laparoscopic S7 Hepatectomy with Positive Fluorescence Staining
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Laparoscopic S7 Hepatectomy with Positive Fluorescence Staining

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Implications:

  • Findings may influence clinical guidelines regarding the workup of Streptococcus viridans bacteremia, particularly in the context of recent gastrointestinal procedures.
  • Further research is warranted to clarify the relationship between specific viridans streptococci and gastrointestinal malignancies.