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Micronema in man: third fatal infection
Summary
Micronema nematodes, typically soil-dwelling, can cause fatal infections in humans. This report details a rare case of Micronema meningoencephalomyelitis in a Washington, D.C. resident.
Area of Science:
- Veterinary Neurology
- Parasitology
- Human Pathology
Background:
- Micronema nematodes are usually free-living organisms found in soil and humus.
- These nematodes rarely infect mammalian hosts, but can invade various organs.
Observation:
- Two previous cases of fatal Micronema-induced meningoencephalomyelitis in humans were documented in Canada and Texas.
- A third case is reported in a 54-year-old male resident of Washington, D.C.
Findings:
- The patient presented with meningoencephalomyelitis, a severe inflammation of the brain and spinal cord.
- Micronema worms were identified in the patient's liver, heart, and brain.
- The specific species of Micronema was not identified in this case.
Implications:
- This case highlights the potential for zoonotic transmission of Micronema, even in non-endemic areas.
- Decubitus ulcers may serve as a potential entry point for parasitic invasion.
- Further research is needed to identify the specific Micronema species and understand transmission dynamics.