PMID: 8972765Nov 1, 1996Paper

Senile amyloidoses of the pituitary and adrenal glands. Morphological and statistical investigations

Virchows Archiv : an International Journal of Pathology
C RöckenW Saeger

Abstract

The pituitary and adrenal glands are a functional endocrine unit affected by local or organ-limited senile amyloid syndromes. These occur as interstitial (pituitary only) or intracellular (pituitary and adrenal) varieties. The pituitary and right adrenal glands of each of 108 consecutive autopsy cases of individuals aged 85 years and over were investigated for the prevalence, distribution and immunostaining characteristics of local amyloid. Intracellular amyloid was detected in 77 (71%) pituitaries and 73 (68%) adrenals. Interstitial amyloid was found in 86 pituitaries (80%). Immunohistochemical studies, investigating different amyloid fibril proteins, amyloid P component, ubiquitin, intermediate filaments and pituitary hormones, failed to demonstrate any similarities, and a common origin is unlikely. Statistical analyses demonstrated significant correlations between the occurrences of all three local amyloids. The clinical and histopathological significance of local pituitary and adrenal amyloid remains obscure. The results suggested that the pathogenesis of the local senile amyloidoses of the pituitary and adrenals may be influenced by a common, still uncharacterized variable. It is not clear whether this variable also contri...Continue Reading

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