Labels:text | screenshot | black and white | black OCR: m is The cause of primary hyperparathyroidi e unknown. Since this condition is not or wo and pathological entity, but involves at least Mity of possibly more conditions, the heterogen of causes. pathology probably means heterogeneity with Recent data suggest that in most patients onal within a parathyroid adenomas, there is a monoc disorder that arises from an abnormality asia may besingle cell. However, four-gland hyperpl al stimulusa polyclonal disorder caused by an exterr I synthesis to parathyroid cell growth, as well as PT