As a part of the procedure, doctors injected fat into the healthy 30-year-old Swedish man's penis, according to the report, written by pathologists who examined the man's body after his death. Some of this fat which was taken from his stomach penetrated through man's veins, and then traveled through the blood vessels to his lungs. When fat droplets enter the small blood vessels in the lungs, they can cause blockages, and the body can't properly respire, leading to death.
The type of procedure that the man had involves two steps, Zhao said. During the first step, surgeons cut a penis ligament called the suspensory ligament, which makes the penis appear longer in its flaccid state. In the second step, the surgeons inject fat to increase the bulk of the penis.
Neither part of the surgery improves a man's erectile function; instead, the procedure alters only the appearance of the penis when it is flaccid, Zhao said. In addition, the procedure may in fact have a negative impact on sexual function, because doctors need to cut the suspensory ligament. This "ligament acts to allow the penis to aim forward, and cutting [it] can cause the penis [to] hang downwards," Zhao said.
It's not clear how many patients undergo this type of surgery in the U.S., Zhao said. Because the procedure is generally not covered by insurance, many patients opt to have the operation in other countries, where it may be cheaper, he said.
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