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January 1969

Byler Disease: Fatal Familial Intrahepatic Cholestasis in an Amish Kindred

Author Affiliations

Washington, DC; Baltimore
From the departments of medicine (Drs. Iber and McKusick) and pathology (Dr. Ruebner), The Johns Hopkins University School of Medicine and The Johns Hopkins Hospital, Baltimore; and the Department of Pediatrics, Georgetown University Medical Center, Washington, DC (Dr. Clayton).

Am J Dis Child. 1969;117(1):112-124. doi:10.1001/archpedi.1969.02100030114014

IN seven members of four related Amish sibships, each bearing the name Byler, a disorder characterized by intrahepatic cholestasis has been identified.1 The purpose of the present report is to describe the clinical, biochemical, and histologic findings. Pedigree pattern and demonstration of biochemical abnormality in four presumed heterozygotes are evidence of the autosomal recessive nature of the syndrome.

Report of Cases  Case 1.—A girl born in 1947 (VI,5 in Fig 1) was noted from early infancy to have loose, foul-smelling stools. At 9 months, jaundice was observed which subsequently cleared. For the next two years she had recurrent bouts of jaundice associated with light stools, dark urine, and pruritus. The "attacks" were often associated with infection and the jaundice persisted for periods varying from two weeks to two months.At 2 ⅔ years she was hospitalized for laparotomy. An enlarged lymph node thought to be compressing the common bile