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December 5, 1980

A fibrin net brings in kidney stone catch

JAMA. 1980;244(22):2495-2496. doi:10.1001/jama.1980.03310220005002

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Urologists at the University of Michigan have developed a method for more effectively removing kidney stones that is beginning to find widespread acceptance. The stones are entrapped by a human fibrin clot, and the clot is then removed through the same type of incision conventionally used for kidney stone removal.

"Surgical removal of kidney stones can sometimes be very difficult, but this technique makes the complicated cases simpler," said L. Paul Sonda, MD, who developed this technique together with C. Peter Fischer, MD, and Ananias C. Diokno, MD, of the University of Michigan Medical School and affiliated hospitals, Ann Arbor.

They reported their success in 65 patients at the American College of Surgeons clinical congress in Atlanta. Their scientific exhibit included a video teaching film of the procedure.

"The surgical opening and exposure of the kidney follow the conventional procedure," Sonda told JAMA MEDICAL NEWS, "but after the kidney is