Tuberculous meningitis causing holocord longitudinally extensive transverse myelitis

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ABSTRACT Longitudinally extensive transverse myelitis (LETM) is a neurological entity with characteristic inflammatory lesions in ≥3 vertebral segments of the spinal cord. It is most commonly associated with neuromyelitis optica spectrum disorder. Other causes include infections, autoimmune disorders, and neoplasms. Tuberculosis has been reported as a cause of LETM in few case reports. However, tuberculous meningitis (TBM) as a cause of LETM is extremely rare, more so with involvement of the complete spine cord from the brainstem to the conus medullaris. A 65-year-old female was admitted to our hospital with sudden-onset tetraplegia and sensory, bowel, and bladder involvement. With no significant past history, mild meningeal signs, and normal metabolic profile, cerebrospinal fluid analysis was done revealing polymerase chain reaction test positive for Mycobacterium tuberculosis. Magnetic resonance imaging of the spine was suggestive of complete spinal cord edema extending from the brainstem to the level of conus medullaris without skip lesions. A final impression of holocord LETM caused by TBM was suggested after ruling out other causes. The case highlights TBM as a potential cause of LETM especially in endemic countries, especially Asian and African countries, more so with holocord involvement without skip lesions.

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