Related Experiment Video
Updated: Aug 6, 2026

11:07
Macrophage Cholesterol Depletion and Its Effect on the Phagocytosis of Cryptococcus neoformans
Published on: December 19, 2014
Overview: cryptococcosis in the patient with AIDS
1Evans Memorial Department of Clinical Research, University Hospital, Boston, MA.
Mycopathologia
|June 1, 1991
Summary
Cryptococcosis is a life-threatening fungal infection common in AIDS patients, often affecting the central nervous system. Early diagnosis and individualized treatment are crucial due to non-specific symptoms and unclear optimal therapeutic strategies.
Area of Science:
- Mycology
- Infectious Diseases
- Immunocompromised Hosts
Background:
- Cryptococcosis is the most common life-threatening fungal infection in patients with acquired immunodeficiency syndrome (AIDS).
- Extrapulmonary involvement, particularly in the central nervous system and skin, is frequent.
- Clinical presentations are often non-specific, complicating early diagnosis, even in cases of meningitis.
Purpose of the Study:
- To review the diagnosis and treatment of cryptococcosis in patients with AIDS.
- To highlight the challenges in managing this opportunistic infection.
- To discuss current therapeutic options and areas needing further research.
Main Methods:
- Review of current literature on cryptococcosis in AIDS patients.
- Discussion of diagnostic approaches, including serological markers and cultures.
- Analysis of treatment strategies, including antifungal agents.
Main Results:
- Diagnosis requires a low threshold, utilizing serum cryptococcal antigen, blood, urine, and sputum cultures in febrile AIDS patients.
- Lumbar puncture is recommended for unexplained headaches.
- Optimal treatment strategies remain debated, with ongoing questions regarding oral azoles versus amphotericin B-based regimens.
Conclusions:
- Early and thorough diagnostic evaluation is essential for cryptococcosis in AIDS patients.
- Individualized therapy is recommended in the absence of definitive treatment consensus.
- Participation in multicenter trials is encouraged to establish optimal treatment guidelines.
More Related Videos
Related Concept Videos
Retrovirus Life Cycles
Retroviruses have a single-stranded RNA genome that undergoes a special form of replication. Once the retrovirus has entered the host cell, an enzyme called reverse transcriptase synthesizes double-stranded DNA from the retroviral RNA genome. This DNA copy of the genome is then integrated into the host’s genome inside the nucleus via an enzyme called integrase. Consequently, the retroviral genome is transcribed into RNA whenever the host’s genome is transcribed, allowing the retrovirus to...
Skin Diseases and Disorders
Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
Pneumonia I: Introduction
Pneumonia is an acute respiratory infection that targets the lungs, specifically the alveoli. These tiny air sacs, essential for oxygen exchange, become engorged with pus and fluid, severely hindering breathing, decreasing oxygen absorption, and causing significant pain and discomfort during respiration.
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
Pulmonary Tuberculosis I
Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
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,...
Candidiasis
Candidiasis is a fungal infection caused by opportunistic species of Candida. It can affect various anatomical sites, including the skin, oral cavity, nails, and genitourinary tract. Among its forms, vaginal candidiasis is the most common type of mucosal infection. It typically results from the overgrowth of Candida albicans in the vaginal mucosa. Under normal conditions, C. albicans exists as a commensal organism within the vaginal microbiota, regulated by the dominance of lactobacilli, which...

