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Parathyroid tumors can be removed safely in outpatient procedure

Minimally invasive outpatient surgery to remove tumors of the parathyroid glands is safe for most patients and far more cost-effective than traditional open surgery, a Johns Hopkins study shows.

The parathyroid glands, located in the neck behind the thyroid, control calcium and bone metabolism. When the glands are overactive, usually because of benign tumors, patients can suffer from osteoporosis, peptic ulcers or kidney stones. About 100,000 new cases of hyperparathyroidism occur each year; women are more susceptible. Surgery is the favored treatment.

Reporting in the December issue of the journal Surgery, endocrine surgeon Robert Udelsman, M.D., notes that his patients treated with minimally invasive surgery had a significantly shorter length of hospital stay than their inpatient counterparts (1 day or less vs. up to two days) and about half of the hospital charges -- an average of $3,174 vs. $6,328. Patients receiving the minimally invasive procedure also had a 100 percent cure rate and zero deaths, compared to a 97 percent cure rate and 2 percent death rate among those undergoing the open procedure.

The outpatient procedure has another significant benefit as well, according to Udelsman, director of endocrine and oncologic surgery at Hopkins. Injury to the vocal nerve is an occasional complication that can occur during the open procedure. "But in the outpatient procedure, the patient is awake and can talk. The surgeon can assess the patient's voice during manipulation of the vocal cord nerve. This information helps the surgeon protect the nerve from injury."

Parathyroid glands make parathyroid hormone, which helps the body regulate calcium levels. But if one of the glands enlarges (a condition called hyperparathyroidism), generally due to the development of a benign tumor, it can make and release too much, inducing an abnormally high level of calcium in the blood.

For the Hopkins study, Udelsman compared results of 33 of hi
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Contact: Karen Infeld
kinfeld@jhmi.edu
410-955-1534
Johns Hopkins Medical Institutions
1-Dec-1999


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