Entries by John Kennedy

How Surgeons Decide Which Parathyroid Glands to Remove

Once a decision for surgery has been made and the surgeon has selected the desired imaging prior to the surgery, what actually takes place during the operation? How does the surgeon determine which gland or glands are abnormal? The answers to these questions are not quite as straightforward or consistent among surgeons as one might […]

How Surgeons Identify an Abnormal Parathyroid Gland—Part 2 of a Series “Imaging Guides, Experience Decides”

Once the diagnosis of primary hyperparathyroidism has been established from the calcium and PTH levels, and a decision for surgery is made, the next step is usually to determine what additional information should be obtained in order to assure a successful operation. This is where imaging becomes useful. It is worth repeating the central point […]

How Surgeons Identify an Abnormal Parathyroid Gland

It is extremely important to understand that we do not need imaging to make a diagnosis of primary hyperparathyroidism. The diagnosis is based on the laboratory findings. Sometimes those findings are very clear, and sometimes they fall into a gray zone. If the calcium is repeatedly high and the parathyroid hormone level is elevated—or even […]

Five Things to Know About Intraoperative PTH Monitoring

1. Intraoperative PTH monitoring is a tool, not the whole operation.Patients may hear a lot about intraoperative PTH monitoring and assume it is the main thing that makes parathyroid surgery successful. It is better thought of as one useful tool. The real goal of surgery is to identify and remove the overactive parathyroid gland or […]

Is There a “Magic Number” for High Calcium?

One of the most common misunderstandings about high calcium is the idea that a slightly elevated calcium level means a patient has only a mild problem. That is not a reliable way to think about primary hyperparathyroidism. But first let’s clarify that we are talking about someone who has a PTH level that is inappropriately […]

What’s All the Hype About Vitamin K2?

Vitamin K2 has been getting more attention lately in relation to hyperparathyroidism, calcium, and vitamin D supplements, especially in conversations about bone health and calcium metabolism. Interestingly, despite a growing amount of information available online, vitamin K2 still lives mostly in the background when it comes to mainstream, peer-reviewed medical literature. There are a few […]