Primary hyperparathyroidism: iliac crest cortical thickness, structure, and remodeling evaluated by histomorphometric methods.

Abstract:

:Iliac crest bone biopsies from 62 patients (42 women, 20 men; median age 59 years; range 17-79 years) with primary hyperparathyroidism (PHP) were examined. Static and structural parameters were compared with 30 age- and sex-matched normal controls. Eighteen sex-matched younger controls were used for evaluation of the dynamic controls. On the endocortical surface increase in extension of eroded (p < 0.01) and formative (p < 0.01) surfaces was found in PHPs compared with normals. Endocortical bone formation rate was increased in PHPs (p < 0.05), but mineral appositional rate and adjusted appositional rate were normal. On the periosteal surface very little remodeling activity was found. Although bone formation rate was found increased in PHPs (p < 0.05), more than half of the labeled biopsies were without periosteal tetracycline in patients, and only 2 of 18 biopsies from normals contained periosteal tetracycline labels. No significant decreases in cortical width or relative cortical width were found in PHPs. In both patients and controls an age-related decrease in relative cortical width cortical width were found in PHPs. In both patients and controls an age-related decrease in relative cortical width was noted for women (PHPs: r = -0.52, p < 0.01; controls: r = -0.59, p < 0.001), but not for men. Cortical porosity was about 30% increased in PHPs (p < 0.02). Only normal women showed a positive age-related increase in porosity (r = 0.61, p < 0.05).(ABSTRACT TRUNCATED AT 250 WORDS)

journal_name

Bone

journal_title

Bone

authors

Christiansen P,Steiniche T,Brockstedt H,Mosekilde L,Hessov I,Melsen F

doi

10.1016/8756-3282(93)90207-q

subject

Has Abstract

pub_date

1993-09-01 00:00:00

pages

755-62

issue

5

eissn

8756-3282

issn

1873-2763

pii

8756-3282(93)90207-Q

journal_volume

14

pub_type

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