科研之友
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摘要
rhombencephalitis due to listeria is a serious and infrequent infection of the brainstem. it principally affects subjects who were previously healthy. it shows itself clinically in two phases: the first with unspecific symptoms, which could last one week, and the second with the appearance of focal neurologic signs at the level of the brainstem. we present the case of a patient with rhombencephalitis due to listeria that began initially with headache, nauseas and fever and after ten days the patient showed an asymmetrical affection of cranial nerves, cerebellarr signs and sensory deficits in the left hemibody. subsequently this became complicated with acute respiratory insufficiency, requiring admission to the intensive care unit, and with episodes of urinary retention that required exploration. the early magnetic resonance image showed hypertense patch lesions that were objectified in t2 sequences at the level of the bulb and the pons. facing a clinical-radiological suspicion of rombencephalitis due to listeria, treatment was begun with ampicillin and tombramycin. after some days a positive haemoculture for listeria monocytogenes serotype 4b resistant to ampicilin was detected, therefor it was replaced with vancomycin. the patient survived and on discharge he had oculomotor disorder and micturition problems as sequels. we would like to emphasise the importance of early recognition of the clinical signs of the disease and the early permormance of magnetic resonance, with diagnostic support, to be able to start a suitable antibiotic treatment as quickly as possible.
