Isolated abducens nerve palsy in a patient with scrub typhus
Yeon-Hee Lee1, Yong-Jun Yun, Seong-Hae Jeong
1Department of Ophthalmology, Chungnam National University Hospital, Daejeon, Korea. opticalyh@hanmail.net, ieye@cnuh.co.kr
Abstract:
Abducens nerve palsies associated with infectious diseases are infrequent. Scrub typhus is an acute, febrile, infectious illness caused by Orientia tsutsugamushi (formerly Rickettsia tsutsugamushi), an obligate-intracellular gram-negative bacterium. The organism has been reported to be capable of entering the nervous system, causing meningitis and focal neurologic abnormalities. We report a case of isolated abducens nerve palsy associated with a scrub typhus infection.
Insights
Abducens nerve palsy is rarely linked to infections. This case highlights scrub typhus, caused by Orientia tsutsugamushi, as a potential cause of isolated abducens nerve palsy.
Area of Science:
- Neurology
- Infectious Diseases
- Ophthalmology
Background:
- Scrub typhus is an infectious disease caused by Orientia tsutsugamushi.
- Neurologic manifestations of scrub typhus, though uncommon, can include meningitis and focal deficits.
- Abducens nerve palsy is a rare complication of infectious diseases.
Observation:
- A case of isolated abducens nerve palsy was observed.
- The patient's condition was associated with a scrub typhus infection.
Findings:
- This report details an infrequent presentation of abducens nerve palsy.
- The findings suggest a potential causal link between scrub typhus and isolated abducens nerve palsy.
Implications:
- This case expands the spectrum of neurologic complications associated with scrub typhus.
- Clinicians should consider scrub typhus in the differential diagnosis of isolated abducens nerve palsy, especially in endemic areas.
- Early diagnosis and treatment of scrub typhus may prevent or resolve neurologic sequelae.
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