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Related Concept Videos

Bacterial Gastroenteritis01:18

Bacterial Gastroenteritis

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Bacterial gastroenteritis, characterized by diarrhea, abdominal cramps, and vomiting, is often caused by ingestion of contaminated food or water and is frequently associated with pathogenic Escherichia coli strains. These microbes exploit two principal mechanisms to inflict disease.Shiga toxin–producing E. coli, also referred to as STEC—notably O157:H7—release Shiga toxins that target ribosomes, blocking protein synthesis. The B subunit of the toxin binds the host glycolipid...
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Bacterial Phylum Spirochaetes01:30

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Spirochetes, unique bacteria in the phylum Spirochaetes, are gram-negative, motile, tightly coiled, slender, and flexible. They inhabit aquatic sediments and animals, with some causing diseases like syphilis. Spirochetes are classified into eight genera based on habitat, pathogenicity, phylogeny, and characteristics.Their distinctive motility arises from endoflagella, located within the cell’s periplasm. These endoflagella anchor at the cell poles and extend along the cell length, encased...
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Visualization of Streptococcus pneumoniae within Cardiac Microlesions and Subsequent Cardiac Remodeling
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Streptococcus gallolyticus: a single bacteria, two different conditions.

Cristiano Silva Cruz1, Catarina Machado2, André Almeida1

  • 1Department of Internal Medicine, Centro Hospitalar de Lisboa Central, EPE-Hospital de Santa Marta, Lisbon, Portugal.

BMJ Case Reports
|July 3, 2015
PubMed
Summary
This summary is machine-generated.

A rare case of Streptococcus gallolyticus endocarditis in a woman revealed an underlying rectal cancer. Early colonoscopy is crucial for Streptococcus gallolyticus subsp gallolyticus bacteraemia to detect colorectal lesions.

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Area of Science:

  • Infectious Diseases
  • Gastroenterology
  • Cardiology

Background:

  • Fever of unknown origin requires a systematic diagnostic approach.
  • Streptococcus gallolyticus subsp gallolyticus bacteraemia is associated with colorectal neoplasia.

Observation:

  • A 48-year-old woman presented with fever, arthralgia, and migratory skin lesions.
  • Initial workup was inconclusive, necessitating hospitalization for further investigation.

Findings:

  • The patient was diagnosed with Streptococcus gallolyticus subsp gallolyticus bacteraemia.
  • This led to the identification of mitral valve infective endocarditis and an underlying rectal adenocarcinoma.

Implications:

  • This case underscores diagnostic challenges with unusual presentations of colorectal cancer.
  • High clinical suspicion and systematic evaluation are vital for fever of unknown origin.
  • Prompt colonoscopy in S. gallolyticus subsp gallolyticus bacteraemia cases aids early detection of colonic lesions.