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Pneumocystis carinii granuloma of the optic nerve: a histopathologic case report
1Wm. R. Green Eye Pathology Laboratory of the Wilmer Eye Institute, Johns Hopkins University School of Medicine and Hospital, Baltimore, MD 21287-9248, USA. daknox@jhmi.edu
Abstract:
A 30-year-old man under treatment for acute leukemia died of Candida sepsis and Pneumocystis carinii pneumonia. A small granuloma containing Pneumocystis carinii was found in one optic nerve.
Insights
A patient with acute leukemia developed fatal Candida sepsis and Pneumocystis pneumonia. Autopsy revealed Pneumocystis carinii in an optic nerve granuloma, suggesting a rare complication.
Area of Science:
- Medical Mycology
- Infectious Diseases
- Ophthalmology
Background:
- Acute leukemia patients are immunocompromised, increasing susceptibility to opportunistic infections.
- Candida sepsis and Pneumocystis pneumonia are known severe infections in immunocompromised individuals.
Observation:
- A 30-year-old male leukemia patient presented with severe sepsis and pneumonia.
Findings:
- The patient succumbed to disseminated Candida infection and Pneumocystis carinii pneumonia.
- Histopathological examination revealed a granuloma in the optic nerve containing Pneumocystis carinii.
Implications:
- This case highlights the potential for unusual localization of Pneumocystis carinii in immunocompromised patients.
- Ocular involvement in Pneumocystis infections, though rare, should be considered in immunocompromised patients with neurological or visual symptoms.