Prostate Operation Tour. [Dr. Márton Lányi] | eLitMed

Prostate Operation Tour

The program, which turns medical images from CT scans into 3-D pictures, was tested on a year-old woman before surgery to remove a tumor from her parathyroid gland.

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The group created a virtual image of the patient's neck based on prior CT scans. While the CT scans allowed her doctors to find the tumor in her neck, this 3-D virtual model gave them an idea where her nerves and blood vessels were, Diana explained.

The virtual picture alerted doctors that one of the nerves in her neck, called the laryngeal nerve, followed an unusual pathway.

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Instead, her surgeons were able to make an incision that avoided damage to her laryngeal nerve. Laryngeal nerves have a divergent path, called nonrecurrent, in less than 1 percent of patients.

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Injury to this nerve can lead to voice hoarseness and Prostate Operation Tour loss. We cannot tolerate this kind of complication," Diana said.

The case report was described in Prostate Operation Tour letter published Sept.

Голос все звал его, а он безучастно смотрел на светящуюся картинку. Он видел ее на крошечном экране.

The software that Diana and his colleagues developed helps surgeons plan their procedure, Diana said. In addition, doctors can overlay the virtual image on top of the actual images captured during surgery to give them an idea of the tissues, nerves and blood vessels in the area where they are operating.

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One expert said the software's clinical value remains to be seen. Although this tool would probably provide doctors with information before surgery, "it's a question of how often is it going to be useful and how many people do you have to study to get useful information for one person," said Dr.

Bruce Davidson, a professor of otolaryngology-head and neck surgery at Georgetown University Hospital in Washington, D. While imaging before thyroid and parathyroid surgery is very common to localize the tumor, "we typically do an ultrasound and in cases where we still have questions, we do MRI," Davidson said.

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CT scanning can also cause a rare complication called thyroid storm in people with a hyperactive thyroid gland that leads to high blood pressure and agitation. Diana and his colleagues are working to update their computer software so that it can create virtual pictures from MRI imaging, which does not carry those risks.

The program can already use images from ultrasound, but Diana said that these are sometimes less accurate than MRI. The current case report is part of a study that Diana's colleagues are conducting at the Research Institute against Digestive Cancer in Strasbourg to evaluate the utility of virtual neck exploration in connection with parathyroid surgery. The research team has also used their software to create a virtual image of a patient's adrenal glands, located above the kidneys, which they say helped guide surgeons removing a cancerous adrenal gland.

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Diana and his colleagues are also using their software for surgeries to remove tumors in the liver and pancreas. In these cases, Diana said, virtual exploration not only helps the surgeon avoid nerves and blood vessels, but could also make it easier to remove only the cancerous tissue while leaving as much healthy tissue as possible.

More information For more information about thyroid and parathyroid health, visit the American Thyroid Association.

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