Nickan Research Institute Journal of Parathyroid Disease 2345-6558 6 2 2018 04 01 The underlying pathology of primary hyperparathyroidism; a summary on 87 published cases in Thailand 34 35 10.15171/jpd.2018.13 EN Sora Yasri Viroj Wiwanitkit Journal Article 10.15171/jpd.2018.13 Implication for health policy/practice/research/medical education Primary hyperparathyroidism (PHPT) is an important abnormality of parathyroid gland. PHPT is usually diagnosed late