|adenoma, chromophobe||medical dictionary|
A tumour of the anterior lobe of the pituitary gland whose cells do not stain readily with either acid or basic dyes and whose presence may be associated with hypopituitarism. Although classically these adenomas have been said to be composed of sparsely granulated or degranulated (nonfunctioning) cells, some contain functioning cells and may be associated with a hyperpituitary state, e.g., acromegaly or cushing's syndrome.
(12 Dec 1998)
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