A Sioux Falls surgeon is denying that he breached the standard of care when he removed the healthy kidney of a woman who was supposed to have had an adrenal gland removed.

In their answer to a lawsuit filed by Dena Knapp, Dr. Scott Baker and The Surgical Institute of South Dakota admit that Knapp was supposed to have an adrenal gland and an associated mass on the gland removed during an Oct. 5, 2016 surgery. However, Baker removed Knapp’s right kidney and did not remove the adrenal gland and mass, according to the answer.

Knapp, of Milford, Iowa, filed suit last month in federal district court in South Dakota alleging professional negligence.

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In her lawsuit, Knapp alleged that Baker had been told on the day of the surgery by Avera McKennan Hospital’s pathology department that he had removed healthy kidney tissue and not the adrenal gland. Knapp claims she wasn’t told the adrenal gland hadn’t been removed until after she was released from the hospital. Baker’s answer denies that claim, saying Knapp was provided with the information on the day she had surgery.

Ultimately, she chose to have the gland removed at the Mayo Institute in Rochester, Minnesota.

In their answer, Baker and The Surgical Institute of South Dakota, where Baker practiced at the time of the surgery, say that Knapp’s medical records indicate that the adrenal gland was near the large lobe of her liver and that it was “a very superiorly located right adrenal gland.”

They deny that they breached the standard of care by removing the healthy kidney, failing to remove the adrenal gland and failing to be up front about the mistake. They also deny that she suffered damages.

Following the surgery, Knapp developed stage-three kidney disease.

“Defendants,” the answer says, “deny the nature, scope, and extent of plaintiff’s claimed injuries, losses and damages.”

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