Se estudia retrospectivamente una serie de 236 casos de hiperprolactinemia con resonancia magnética (R.M.), para intentar determinar cuál es la mejor pauta de exploración en estos pacientes. A tal efecto, se realizan varios tipos de proyecciones y pulsos de secuencia, pudiéndose comprobar que en las lesiones de pequeño tamaño (< 10mm), la secuencia spin echo potenciada en TI (SE-WT1) en proyección coronal es la más diagnóstica, siendo obligatorio el uso de contraste paramagnético, cuando el estudio en vacío es negativo.
The authors analyze a series of 236 patients with hyperprolactinemia studied with magnetic resonance imaging (M.R.I.), in an attempt to determine the best protocol for diagnosis in these patients.
We have tested several patterns of M.R.I. projections and sequences verifying that the coronal projection with Tl-weighted spin-echo sequence was the best for the diagnosis of small size lesions « 10mm). At the same time, we conclude that the use of a paramagnetic contrast agent is mandatory whefi the pre-contrast scan is negative.
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