Late development of resistance to bromocriptine in a patient with macroprolactinoma |
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Authors: | E Delgrange J Crabbé J Donckier |
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Affiliation: | División de Clínica Médica B y Unidad de Neurología, Hospital Juan A. Fernández, Buenos Aires, Argentina. |
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Abstract: | Brainstem tuberculoma is exceptionally observed. We report a 44 year-old immunocompetent man with proven diagnosis of miliary tuberculosis (TBC) who developed a complex neurological syndrome characterized by right ophtalmoplegia, left-sided hemiparesis and hemihypoesthesia and a gross ipsilateral postural and action tremor with hand dystonia. A ponto-mesencephalic mass was detected by CT and MRI studies of the brain. Clinical, bacteriological and neuroimaging studies allowed to suspect a ponto-mesencephalic tuberculoma. Long-term therapy with anti-TBC drugs and steroids was started, achieving clinical and imaging improvement which retrospectively confirmed the diagnosis. Although with less amplitude, tremor persisted but a complete disappearance of focal dystonia was observed. The pathogenesis of both abnormal movements is particularly discussed since hand dystonia has never been mentioned in the literature as a consequence of brainstem damage. |
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