Height of normal pituitary gland as a function of age evaluated by magnetic resonance imaging in children

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Abstract
MR anatomy of hypothalamo-hypophyseal axis is well established. However data about pituitary gland height (PGH) in children are sparse. A retrospective study was therefore performed in 60 children (30 boys and 30 girls) aged from 8 days to 21 years. All these children had MR for various neurological diseases. Patients with hypothalamo-hypophyseal disease and intracranial hypertension were excluded. The PGH was measured on a strict midline sagittal T1 weighted scan 3 to 7 mm thick. A positive linear correlation was found in children aged from 1 year to puberty followed by a plateau. In the first year of life a negative linear correlation was found. A positive linear correlation was found between PGH and statural height as well.