High-resolution heavily T2-weighted magnetic resonance imaging for evaluation of the pituitary stalk in children with ectopic neurohypophysis View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2017-05

AUTHORS

Imane El Sanharawi, Loukia Tzarouchi, Liesbeth Cardoen, Laetitia Martinerie, Juliane Leger, Jean-Claude Carel, Monique Elmaleh-Berges, Marianne Alison

ABSTRACT

BACKGROUND: In anterior pituitary deficiency, patients with non visible pituitary stalk have more often multiple deficiencies and persistent deficiency than patients with visible pituitary stalk. OBJECTIVE: To compare the diagnostic value of a high-resolution heavily T2-weighted sequence to 1.5-mm-thick unenhanced and contrast-enhanced sagittal T1-weighted sequences to assess the presence of the pituitary stalk in children with ectopic posterior pituitary gland. MATERIALS AND METHODS: We retrospectively evaluated the MRI data of 14 children diagnosed with ectopic posterior pituitary gland between 2010 and 2014. We evaluated the presence of a pituitary stalk using a sagittal high-resolution heavily T2-weighted sequence and a 1.5-mm sagittal T1-weighted turbo spin-echo sequence before and after contrast medium administration. RESULTS: A pituitary stalk was present on at least one of the sequences in 10 of the 14 children (71%). T2-weighted sequence depicted the pituitary stalk in all 10 children, whereas the 1.5-mm-thick T1-weighted sequence depicted 2/10 (20%) before contrast injection and 8/10 (80%) after contrast injection (P=0.007). CONCLUSION: Compared with 1.5-mm-thick contrast-enhanced T1-weighted sequences, high-resolution heavily T2-weighted sequence demonstrates better sensitivity in detecting the pituitary stalk in children with ectopic posterior pituitary gland, suggesting that contrast injection is unnecessary to assess the presence of a pituitary stalk in this setting. More... »

PAGES

599-605

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s00247-017-3784-2

DOI

http://dx.doi.org/10.1007/s00247-017-3784-2

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1084019986

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/28255689


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curl -H 'Accept: application/n-triples' 'https://scigraph.springernature.com/pub.10.1007/s00247-017-3784-2'

Turtle is a human-readable linked data format.

curl -H 'Accept: text/turtle' 'https://scigraph.springernature.com/pub.10.1007/s00247-017-3784-2'

RDF/XML is a standard XML format for linked data.

curl -H 'Accept: application/rdf+xml' 'https://scigraph.springernature.com/pub.10.1007/s00247-017-3784-2'


 

This table displays all metadata directly associated to this object as RDF triples.

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