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Related Concept Videos

Cryptococcal Meningitis01:27

Cryptococcal Meningitis

Cryptococcal meningitis is a life-threatening opportunistic infection predominantly associated with HIV/AIDS, accounting for over 100,000 deaths annually worldwide. However, it also affects individuals with other forms of immunosuppression, including those undergoing immunosuppressive therapy, organ transplant recipients, patients with innate immunodeficiencies, and individuals with hematological disorders. The infection is caused mainly by Cryptococcus neoformans and Cryptococcus gattii,...
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Bacterial Meningitis II: Pathophysiology

Bacterial meningitis typically begins when pathogens such as Neisseria meningitidis and Streptococcus pneumoniae colonize the nasopharynx and invade the bloodstream. This process is facilitated by bacterial virulence factors, such as polysaccharide capsules, which resist phagocytosis and complement-mediated killing. Less commonly, bacteria reach the central nervous system via contiguous spread from infections like otitis media or sinusitis, through congenital or acquired dural defects, or...
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Development of the Oral Microbiota

The establishment of the oral microbiome begins before birth, challenging the long-held belief that the fetal oral cavity is sterile. The presence of oral microbes such as Streptococcus and Fusobacterium in amniotic fluid suggests that microbial exposure may occur in utero, potentially through translocation from the maternal oral or gastrointestinal tract. This early colonization primes the neonatal immune system and sets the stage for subsequent microbial succession. Maternal health,...
Bacterial Meningitis01:24

Bacterial Meningitis

Bacterial meningitis is a severe infectious disease involving inflammation of the meninges, the protective membranes surrounding the brain and spinal cord. It occurs when pathogenic bacteria cross the blood–brain barrier and enter the cerebrospinal fluid. Common causative organisms include Neisseria meningitidis, Streptococcus pneumoniae, Haemophilus influenzae type b, Listeria monocytogenes, and Escherichia coli K1. The exact route of entry varies by pathogen and host condition.Routes of Entry...
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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Bacterial Meningitis I: Introduction

Bacterial meningitis is a severe, life-threatening inflammation of the meninges, particularly the pia mater and arachnoid mater, affecting the subarachnoid space, ventricles, and cerebrospinal fluid (CSF). If untreated, it can lead to significant neurological complications or death.Causative AgentsCommon pathogens vary with age and immune status. In adults, major organisms include Streptococcus pneumoniae, Neisseria meningitidis, and Haemophilus influenzae. Streptococcus agalactiae (group B...

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Related Experiment Videos

Post partum osteomyelitis due to Cryptococcus neoformans.

Satyanaraya R Annapureddy1, Sean W Masterson, Huw G David

  • 1Department of Trauma and Orthopaedics, Derriford Hospital, Plymouth, UK.

Scandinavian Journal of Infectious Diseases
|April 25, 2007
PubMed
Summary

This study details a rare case of Cryptococcus neoformans infection in a pregnant woman, which worsened post-delivery. It highlights the first instance of C. neoformans osteomyelitis during pregnancy.

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Area of Science:

  • Medical Mycology
  • Obstetrics and Gynecology
  • Infectious Diseases

Background:

  • Cryptococcus neoformans is an opportunistic fungal pathogen.
  • Pregnancy can alter immune responses, potentially increasing susceptibility to infections.
  • Osteomyelitis is a serious bone infection, rarely reported in pregnant women.

Observation:

  • A pregnant woman presented with initially mild symptoms suggestive of infection.
  • Her symptoms significantly worsened following childbirth.
  • Diagnostic evaluation revealed Cryptococcus neoformans as the causative agent.

Findings:

  • The patient was diagnosed with Cryptococcus neoformans infection during pregnancy.
  • She developed osteomyelitis, a bone infection, attributed to C. neoformans.
  • This represents the first documented case of C. neoformans osteomyelitis occurring in a pregnant patient.

Implications:

  • This case underscores the importance of considering fungal infections, such as cryptococcosis, in pregnant women, even with seemingly mild initial symptoms.
  • The findings suggest that pregnancy and the postpartum period may represent a vulnerable time for the development or exacerbation of C. neoformans infections, including bone involvement.
  • Further research is warranted to understand the pathogenesis and optimal management of cryptococcal infections and osteomyelitis in pregnant and postpartum populations.