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      Diagnostic Strategies in Pediatric Imaging

      a , b

      Hormone Research in Paediatrics

      S. Karger AG

      Pituitary diseases, Pituitary neoplasms, Craniopharyngioma

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          Abstract

          Magnetic resonance imaging is the modality of choice to visualize the pituitary gland. In pituitary dwarfism with growth hormone deficiency, neuroimaging can be normal or can disclose abnormalities: (1) Tumors, mainly craniopharyngiomas. These benign tumors vary greatly in size and composition (calcifications, a cystic component in approximatively 80% of cases, typically with high signal intensity on T<sub>1</sub>-weighted images). (2) Classical midline malformations such as septo-optic dysplasia or corpus callosum agenesis. (3) Recently described minor malformations: pituitary hypoplasia, pituitary stalk aplasia, and translocation of the pituitary bright spot to the median eminence called an ‘ectopic’ posterior lobe. All these malformations can be isolated or associated. (4) Pituitary adenomas (prolactinomas), which are not frequent in children.

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          Author and article information

          Journal
          HRE
          Horm Res Paediatr
          10.1159/issn.1663-2818
          Hormone Research in Paediatrics
          S. Karger AG
          978-3-8055-6432-8
          978-3-318-00112-9
          1663-2818
          1663-2826
          1996
          1996
          09 December 2008
          : 46
          : 4-5
          : 165-169
          Affiliations
          aService de Radiologie, et bService d’Endocrinologie, Hôpital St. Vincent de Paul, Paris, France
          Article
          185017 Horm Res 1996;46:165–169
          10.1159/000185017
          8950615
          © 1996 S. Karger AG, Basel

          Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

          Page count
          Pages: 5
          Categories
          Session 1: Neuroendocrinology

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