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Case Reports
. 2008;1(1):38-42.
doi: 10.4008/jcrpe.v1i1.4. Epub 2008 Aug 6.

Permanent central diabetes insipidus with complete regression of pituitary stalk enlargement after 4 years of follow-up

Gönül Ocal  1 , Zeynep Sıklar, Merih Berberoğlu, Pelin Bilir, Ozlem Engiz, Suat Fitoz, Serap Arıcı
Affiliations
Case Reports

Permanent central diabetes insipidus with complete regression of pituitary stalk enlargement after 4 years of follow-up

Gönül Ocal et al. J Clin Res Pediatr Endocrinol. 2008.

Abstract

A 14 year-old patient was admitted because of a history of polyuria and polydipsia. A diagnosis of central diabetes insipidus (CDI) accompanied by growth hormone (GH) and gonadotropin deficiency was made. Hypophyseal magnetic resonance imaging (MRI) of the patient demonstrated isolated pituitary stalk enlargement. Although GH deficiency and gonadotropin deficiency were transient, CDI was persistent despite the regression of the pituitary stalk enlargement over the 4 years of follow-up.

Keywords: Pituitary stalk thickness; central diabetes insipidus; multiple anterior pituitary hormone deficiency.

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Figures

Figure 1
Figure 1. MRI at admission: A 5 mm infundibular thickness, absence of posterior hypophyseal bright spot
2
2. MRI at follow−up: Enlargement of PST from 5 mm to 7 mm
3
3. MRI at follow−up: Regression of the PST from 7 mm to 2.5 mm on MRI
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