We describe three cases of central diabetes insipidus, each with a different pathogenesis, in which unexpected hyperintensity of the posterior pituitary gland was seen on T1-weighted MR images obtained at the time of presentation, In the first case (idiopathic), the posterior pituitary signal persisted more than 10 years; in the second case (Langerhans cell histiocytosis), the signal disappeared within 3 months, despite early specific chemotherapy with etoposide; and in the third case (transient), the posterior signal disappeared within 1 year, but it was documented at the time of spontaneous reversal of polyuria and polydipsia.

Persistent high MR signal of the posterior pituitary gland in central diabetes insipidus / Maghnie, M; Genovese, Elisabetta; Bernasconi, S; Binda, S; Arico, M.. - In: AJNR, AMERICAN JOURNAL OF NEURORADIOLOGY. - ISSN 0195-6108. - 18:(1997), pp. 1749-1752.

Persistent high MR signal of the posterior pituitary gland in central diabetes insipidus

GENOVESE, Elisabetta;
1997-01-01

Abstract

We describe three cases of central diabetes insipidus, each with a different pathogenesis, in which unexpected hyperintensity of the posterior pituitary gland was seen on T1-weighted MR images obtained at the time of presentation, In the first case (idiopathic), the posterior pituitary signal persisted more than 10 years; in the second case (Langerhans cell histiocytosis), the signal disappeared within 3 months, despite early specific chemotherapy with etoposide; and in the third case (transient), the posterior signal disappeared within 1 year, but it was documented at the time of spontaneous reversal of polyuria and polydipsia.
1997
18
1749
1752
Persistent high MR signal of the posterior pituitary gland in central diabetes insipidus / Maghnie, M; Genovese, Elisabetta; Bernasconi, S; Binda, S; Arico, M.. - In: AJNR, AMERICAN JOURNAL OF NEURORADIOLOGY. - ISSN 0195-6108. - 18:(1997), pp. 1749-1752.
Maghnie, M; Genovese, Elisabetta; Bernasconi, S; Binda, S; Arico, M.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/8781
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