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Introduction to Virus01:28

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Viruses are unique biological entities that blur the boundary between living and non-living systems. Although they lack cellular structure and metabolic processes, they can exhibit characteristics of life when infecting a host. Their defining feature is a nucleic acid core, composed of either DNA or RNA, encapsulated within a protein coat called a capsid. This simple structure allows them to invade host cells and use their machinery for replication efficiently.Viral Structure and...
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Retroviruses are RNA viruses that have been shown to cause cancers in diverse species, including chickens, mice, cats, and monkeys. The RNA genomes of these viruses are first reverse-transcribed into single and then double-stranded DNA (dsDNA) copies. This dsDNA called proviral DNA then integrates into the host genome. Subsequently, the host cell transcribes the proviral DNA in concert with the chromosomal DNA. This leads to the production of viral RNA and proteins that assemble at the host...
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Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He won a Nobel Prize for this discovery in 1966. His experiments clearly demonstrated that some cancers could be caused by infectious agents and led to the discovery of many more cancer-causing viruses in animals as well as humans.
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EBV : not your Everyday Benign Virus.

H Ruymbeke1, J Schouten2, F Sermon3

  • 1Department of Gastroenterology, Ghent University, Ghent, Belgium.

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Summary

Epstein-Barr virus (EBV) infection, commonly causing mononucleosis, can rarely lead to spontaneous splenic rupture. Early recognition of EBV symptoms and abdominal pain is crucial for prompt diagnosis and management.

Keywords:
Epstein-Barr virusabdominal painhepatitissplenic rupturesplenomegaly

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Area of Science:

  • Virology
  • Infectious Diseases
  • Internal Medicine

Background:

  • Epstein-Barr virus (EBV) infection is highly prevalent, affecting 90% of adults.
  • Primary EBV infection presentations vary, often being subclinical or manifesting as infectious mononucleosis.
  • While typically benign, EBV can lead to severe complications.

Observation:

  • A 19-year-old female presented with malaise, fever, dyspnea, jaundice, vomiting, diarrhea, and left upper quadrant pain.
  • The patient was diagnosed with acute EBV infection, hepatitis, and splenomegaly.
  • She experienced a spontaneous splenic rupture.

Findings:

  • Spontaneous splenic rupture is a rare but life-threatening complication of infectious mononucleosis.
  • Acute EBV infection can present with hepatitis and significant splenomegaly, increasing rupture risk.
  • The case highlights the potential severity of EBV-related complications.

Implications:

  • Clinicians should consider spontaneous splenic rupture in EBV-suspected patients with abdominal pain.
  • Prompt diagnosis and management are vital for improving outcomes in EBV-related splenic rupture.
  • Awareness and patient counseling regarding potential EBV complications are essential.