Geotrichosis
Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
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| Geotrichosis | |
|---|---|
| Synonyms | Geotrichum infection |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Skin lesions, oral thrush, bronchitis, pneumonia |
| Complications | Systemic infection |
| Onset | Variable, depending on immune status |
| Duration | Chronic or acute |
| Types | N/A |
| Causes | Geotrichum species, primarily Geotrichum candidum |
| Risks | Immunocompromised individuals, diabetes, HIV/AIDS |
| Diagnosis | Microscopy, culture, biopsy |
| Differential diagnosis | Candidiasis, aspergillosis, tuberculosis |
| Prevention | Avoidance of exposure in high-risk individuals |
| Treatment | Antifungal medications such as itraconazole, amphotericin B |
| Medication | N/A |
| Prognosis | Good with treatment, but can be severe in immunocompromised |
| Frequency | Rare |
| Deaths | N/A |
Geotrichosis is a fungal infection caused by the Geotrichum species, primarily Geotrichum candidum. This condition is considered an opportunistic infection, affecting individuals with compromised immune systems.
Pathophysiology[edit]
Geotrichum candidum is a saprophytic fungus commonly found in soil, water, air, and as part of the normal microbiota of the human gastrointestinal tract. In immunocompromised individuals, such as those with HIV/AIDS, diabetes mellitus, or undergoing chemotherapy, the fungus can become pathogenic.
Clinical Manifestations[edit]
Geotrichosis can present in various forms, depending on the site of infection:
- Pulmonary geotrichosis: Resembles tuberculosis or pulmonary candidiasis, with symptoms such as cough, fever, and dyspnea.
- Oral geotrichosis: Appears as white, creamy patches in the oral cavity, similar to oral thrush.
- Cutaneous geotrichosis: Presents as skin lesions, often in individuals with eczema or other skin conditions.
- Systemic geotrichosis: Rare but can occur in severely immunocompromised patients, leading to sepsis and organ failure.
Diagnosis[edit]
Diagnosis of geotrichosis involves:
- Microscopic examination: Direct examination of clinical specimens using potassium hydroxide (KOH) preparation can reveal the presence of Geotrichum.
- Culture: Isolation of the fungus on Sabouraud dextrose agar can confirm the diagnosis.
- Histopathology: Tissue biopsy may show characteristic fungal elements.
Treatment[edit]
Treatment of geotrichosis depends on the site and severity of the infection:
- Antifungal therapy: Itraconazole and amphotericin B are commonly used antifungal agents.
- Supportive care: Management of underlying conditions and supportive care are crucial.
Prevention[edit]
Preventive measures include:
- Maintaining good hygiene and sanitation practices.
- Monitoring and managing underlying health conditions.
- Avoiding exposure to environments with high fungal spore concentrations.
Prognosis[edit]
The prognosis of geotrichosis varies based on the patient's immune status and the promptness of treatment. Immunocompetent individuals generally have a good prognosis, while immunocompromised patients may experience more severe outcomes.
