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Sporadic tuberculous meningoencephalitis.

K Michel¹, M Albisetti, G E Pfyffer

¹Division of Infectious Diseases, University Children's Hospital Zurich, Switzerland.

|January 7, 2000

Summary

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A child developed tuberculous meningoencephalitis from an undetected tuberculosis infection in his grandfather. Genetic analysis confirmed the transmission of the tuberculosis pathogen.

Area of Science:

Pediatrics
Infectious Diseases
Neurology

Background:

Tuberculous meningoencephalitis (TME) is a severe form of extrapulmonary tuberculosis affecting the central nervous system.
Early diagnosis and treatment are crucial for favorable outcomes in pediatric TME.
Transmission routes in children often involve close household contacts, even if asymptomatic.

Observation:

A 24-month-old boy presented with symptoms of tuberculous meningoencephalitis.
The child's grandfather, who appeared healthy, was identified as the likely source of infection.
Unnoticed pulmonary tuberculosis in the grandfather was suspected as the origin.

Findings:

Restriction fragment length polymorphism (RFLP) analysis was performed on the Mycobacterium tuberculosis isolates.

Related Experiment Videos

RFLP analysis indicated that the pathogen infecting the child was transmitted from the grandfather.

This case highlights transmission from an asymptomatic individual with occult tuberculosis.

Implications:

Emphasizes the importance of considering TME in pediatric neurological disorders, even with seemingly healthy contacts.
Underscores the need for vigilant screening for tuberculosis in close contacts of infected children, regardless of apparent health status.
Suggests that genetic fingerprinting of pathogens can be valuable in tracing transmission dynamics of tuberculosis within families.