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Pituitary Enlargement on Magnetic Resonance Imaging in Congenital Hypothyroidism Arch Pediatr Adolesc Med 150:623-628, Desai,M.P.,et al, 1996 See this aricle in Pubmed Article Abstract Magnetic resonance imaging showed homogenous diffuse enlargement of the pituitary gland in all patients.The superior margin of the gland was flat in five patients and convex in the rest with suprasellar extension and partial or complete obliteration of the infundibulum in three and mild compression of optic chiasm in two,thus mimicking a sellor or suprasellar tumor.Pretreatment pituitary mean vertical height in the coronal plane was 10.02 plus or minus 2.24 mm with a post-treatment regression to 4/92 plus or minute 1.11 mm(P<.001,Student's t test)and restoration of clinical and hormonal euthyroid status.Awareness of pituitary enlargement and the rare occurrence of neurologic symptoms and chiasmal syndrome are important in children with longstanding congenital hypothyroidism.

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(click to filter results - removes previous filter) chiasmal syndromes hypothyroidism hypothyroidism,congenital MRI MRI,abnormal neuroendocrinology optic chiasm pituitary,enlargement sella turcica,enlargement of

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