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June 1970

Cystinosis and Proximal Tubular Nephropathy in Siblings: Progressive Development of the Physiological and Anatomical Lesion

Author Affiliations

Cleveland; Pittsburgh
From the Department of Pediatrics, School of Medicine, Case Western Reserve University; Babies & Childrens Hospital, University Hospitals of Cleveland (Dr. Teree); departments of pediatrics and surgery, Mount Sinai Hospital, Cleveland (Drs. Friedman and Kest); and Department of Pathology, Children's Hospital, Pittsburgh (Dr. Fetterman).

Am J Dis Child. 1970;119(6):481-487. doi:10.1001/archpedi.1970.02100050483005

Two male siblings having cystinosis were studied physiologically as well as anatomically. The functional defects correlated with shortening and deformity of proximal tubules as determined by measurements made of microdissected nephrons. This report may give impetus to the thesis that the morphological abnormality of the "congenital" Fanconi syndrome associated with cystinosis is an acquired lesion, worsening with the passage of time.

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