J Korean Radiol Soc.  1999 Jan;40(1):169-171. 10.3348/jkrs.1999.40.1.169.

MRI Finding of Reversible Pituitary Hyperplasia Due to Hypothyroidism: A Case Report

Affiliations
  • 1Department of Diagnostic Radiology, Chunan Hospital, Soonchunhyang University, Korea.
  • 2Department of Pediatric, Chunan Hospital, Soonchunhyang University, Korea.

Abstract

We report a case of reversible pituitary enlargement due to hypothyroidism in a 3-year-old male. OnT1-weighted images, the mass was located in the anterior lobe of the pituitary gland, and the signal intensity ofthe mass was equal to that of brain cortex. Gd-DTPA enhanced T1-weighted images showed homogeneous enhancement ofthe mass. After supplemental therapy with thyroid hormone for 8 months, MRI showed that the pituitary gland wasmarkedly smaller.

Keyword

Pituitary, abnormalities; Pituitary, MR; Thyroid, hypothyroidism

MeSH Terms

Brain
Child, Preschool
Gadolinium DTPA
Humans
Hyperplasia*
Hypothyroidism*
Magnetic Resonance Imaging*
Male
Pituitary Gland
Thyroid Gland
Gadolinium DTPA
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