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Related Concept Videos

Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

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Tuberculosis, or TB, is a bacterial infectious disease caused by Mycobacterium tuberculosis. While its primary impact is on the lungs, leading to pulmonary tuberculosis, it can also affect various other organs, a condition referred to as extrapulmonary tuberculosis.
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...
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Related Experiment Video

Updated: Nov 12, 2025

Macrophage Cholesterol Depletion and Its Effect on the Phagocytosis of Cryptococcus neoformans
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The granuloma in cryptococcal disease.

Laura C Ristow1, J Muse Davis1

  • 1Stead Family Department of Pediatrics, University of Iowa Carver College of Medicine, Iowa City, Iowa, United States of America.

Plos Pathogens
|March 18, 2021
PubMed
Summary
This summary is machine-generated.

Cryptococcal granulomas, or cryptococcomas, are mass lesions in cryptococcosis. This review explores their history, biology, and role in cryptococcal latency, highlighting research opportunities.

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Area of Science:

  • Medical Mycology
  • Pathology
  • Immunology

Background:

  • Cryptococcosis is a fungal infection with diverse clinical presentations, including cryptococcal granulomas (cryptococcomas).
  • The term 'granuloma' in cryptococcosis historically parallels tuberculous granulomas, despite distinct disease characteristics.
  • Understanding cryptococcal granuloma formation is crucial due to its varied pathological manifestations.

Purpose of the Study:

  • To review the historical context of granuloma terminology in cryptococcal disease.
  • To elucidate current knowledge on the biology of cryptococcal granuloma formation.
  • To examine the role of granulomas in cryptococcal latency and identify future research directions.

Main Methods:

  • Literature review focusing on historical and contemporary studies of cryptococcosis and granulomatous inflammation.
  • Analysis of cellular and molecular parallels between cryptococcal and tuberculous granulomas.
  • Synthesis of information on the pathological spectrum of cryptococcal infections.

Main Results:

  • Granulomas in cryptococcosis, historically termed cryptococcomas, represent mass lesions of uncertain pathogenesis.
  • Despite differences, cryptococcal and tuberculous granulomas share cellular and molecular inflammatory pathways.
  • Granuloma formation is implicated in the persistence and latency of Cryptococcus infections.

Conclusions:

  • Further research into cryptococcal granuloma biology is needed to understand pathogenesis and latency.
  • Clarifying the role of granulomas may reveal new therapeutic targets for cryptococcosis.
  • Investigating granulomatous inflammation in cryptococcosis offers insights into host-pathogen interactions.