Nephrol Dial Transplant (2003) 18: 2492-2495
© 2003 European Renal Association-European Dialysis and Transplant Association
Child-Adult Interface
Cystinosis. A clinicopathological conference. From toddlers to twenties and beyond Adult-Paediatric Nephrology Interface Meeting, Manchester 2001
1Department of Renal Medicine, Hope Hospital, Salford, 2Department of Paediatric Nephrology, Manchester Childrens Hospital, Manchester and 3Department of Paediatric Nephrology, Great Ormond Street Hospital for Sick Children, London, UK
Correspondence and offprint requests: Dr Rachel Middleton, Specialist Registrar in Nephrology, Hope Hospital, Stott Lane, Salford, Manchester, M6 8HD, UK. Email: rachel_middleton@talk21.com
Keywords: cystinosis; Fanconi syndrome; lysosome; paediatric renal failure
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| Case 1 |
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In November 1994 a 2-year 8-month-old girl presented with failure to thrive. She was the second child; her parents were first cousins. There was no significant family history other than an uncle with coeliac disease. She was below the 3rd centile for height and weight, and had evidence of rickets on clinical examination. Initial investigations found; haemoglobin (Hb) 12.3 g/dl, white blood cells (WBC) 11.4 x 109/l, platelets 309 x 109/l, Na+ 134 mmol/l, K+ 2.7 mmol/l, urea 3.1 mmol/l, creatinine 36 µmol/l, bicarbonate 14 mmol/l, albumin 35 g/l, ALP 2748 IU/l, calcium 2.36 mmol/l, phosphate 0.43 mmol/l and PTH 5.9 pmol/l (normal range 1.38.5). Urine dipstick revealed +glucose. Urine amino acid chromatography showed marked generalized aminoaciduria consistent with Fanconi syndrome. WBC cystine quantification was 2.24 nmol/1/2 cystine/mg protein. X-ray of hands, wrists and knees revealed florid changes of rickets. Ophthalmology slit lamp examination showed corneal cystine crystals.
| Case 2 |
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| Case 3 |
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| Cystinosis: a commentary |
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| Genetics |
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| Pathogenesis |
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| Diagnosis |
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| Clinical course |
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| Conclusion |
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