Pituitary "Stone" An Unusual Calcification

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Abstract
To the Editor:— Calcification in the pituitary-hypothalamic area usually arouses the suspicion of a craniopharyngioma. This is the commonest pituitary tumor and almost all have some calcified areas within them.1 An unusual type of pituitary calcification has been referred to as a "pituitary stone" because of its shape and position.2 Our report describes a patient with this rare lesion. Extensive endocrine studies included growth hormone measurements, since abnormalities of growth hormone are frequently one of the earliest findings in impaired pituitary function.3 Report of a Case:— A 56-year-old white woman had noticed a small hard lump in the central area of her forehead for several years. She sought medical advice since the lump had slowly increased in size. Clinical and x-ray examination revealed it to be an osteoma. She was otherwise asymptomatic. Skull x-ray films also revealed a small area of calcification in the pituitary fossa (Fig

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