【Chris】評論

for primary hyperparathyroidismadenoma 85-90%Lesions are composed predominantly of chief cells arrayed in uniform sheets, trabeculae, or follicles; foci of oxyphil cells may be present, and bizarre atypia is not uncommon. Adipose tissue is inconspicuous.primary hyperplasia 5-10% Chief cell hyperplasia typically involves glands in a diffuse or multinodular pattern. Adipose tissue is inconspicuous.parathyroid carcinoma 1%Lesional cells are usually uniform and not too dissimilar from normal parathyroid cells; diagnosis of malignancy is based on the presence of local invasion and/or metastases...