John Kryger, MD

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Specialties

• Urology.
• Pediatric Urology.
• Reconstructive Surgery. 

Board certification

• American Board of Urology-Urology.
• American Board of Urology-Pediatric Urology

Education

• Medical degree: University of Wisconsin-Madison School of Medicine and Public Health, 1988 - 1992.
• Residency: University of Wisconsin Hospital and Clinics in Madison, Wis., Urology, 1992 - 1997.
• Fellowship: Children's Hospital of Michigan in Detroit, Pediatric Urology, 1997 - 1999.
• Physician and Leadership Development Program, American Family Children's Hospital in Madison, Wis., 2008-2009. 

Employment

• Chief, Division of Urology, Medical College of Wisconsin, 2012-present.
• Medical director, Pediatric Urology, Children's Hospital of Wisconsin, 2012-present.
• Associate professor of Urology, Medical College of Wisconsin, 2012-present.
• Director of Pediatric Urology, American Family Children's Hospital in Madison, Wis., 1999-2011.
• Residency Program director, Dept. of Urology, University of Wisconsin Hospitals and Clinics in Madison, 2007-2011.
• Associate professor of Urology, University of Wisconsin School of Medicine and Public Health, Madison, Wis., 2007-2011.
• Assistant professor of Urology, University of Wisconsin School of Medicine and Public Health, Madison, Wis., 1999-2007.

Professional memberships

• American Academy of Pediatrics (fellow).
• The Society for Pediatric Urology (fellow).
• Society for Fetal Urology (president-elect).
• Wisconsin Urological Society (secretary/treasurer, past president).
• Wisconsin Medical Alumni Association (past president, board of directors).
• American Urological Association.
• North Central Section of AUA (Wisconsin representative, board of directors).
• European Society for Pediatric Urology (member).
• Society for University Chairpersons and Program Directors (member).

Professional interests

Clinical interests include:

• Surgical management of ambiguous genitalia, hypospadias and other genital birth defects.
• Reconstructive surgery for neurologic bladder and bowel disorders, bladder exstrophy and prune belly syndrome.
• Minimally invasive laparoscopic and robotic surgery.
• Pediatric kidney stones.
• Kidney tumors.
• Fetal urinary tract disorders.
• Urinary tract infections and complex incontinence.

Research interests include:

• The impact of environmental toxins on reproductive tract development.
• Cause and effects of urinary tract infections in patients with neurologic bladder disorders.
• Opportunities for change and improvement in medical teaching and training.

Publications

Nonsurgical management of the neurogenic bladder in children.

Urinary continence is well preserved after total urogenital mobilization.

Long-term results of artificial urinary sphincters in children are independent of age at implantation.

A simplified technique of upper pole heminephrectomy for duplex kidney.

Surgical management of urinary incontinence in children with neurogenic sphincteric incompetence.

Quantitative nuclear cystography does not predict outcome in patients with pimaray vesicoureteral reflux.

Effects of an environmental endocrine disruptor on fetal development, estrogen receptor alpha and epidermal growth factor receptor expression in the porcine male genital tract.

The outcome of artificial urinary sphincter placement after a mean 15-year follow-up in a paediatric population.