Cystinosis

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Cystinosis
Diagnosis in short

Changes of cystinosis in the kidney. H&E stain.

LM dependent on site, kidney: multinucleation of podocytes, bone marrow: histiocytes with (cysteine) crystals
Molecular cystinosin gene mutation
Site kidney, bone marrow, others

Associated Dx nephrolithiasis, chronic renal failure
Clinical history +/-consanguinity
Prevalence rare
Other hexagonal shaped crystals in urine

Cystinosis is a lysosomal storage disease and very rare.[1]

General

Microscopic

Kidney

  • Multinucleation of podocytes.[6][7]

Images

Case
www

Urine

  • Hexagonal shaped crystals.

Bone marrow

Images

See also

References

  1. Jump up to: 1.0 1.1 Veys, KR.; Besouw, MT.; Pinxten, AM.; Dyck, MV.; Casteels, I.; Levtchenko, EN. (Jan 2015). "Cystinosis: a new perspective.". Acta Clin Belg: 2295333714Y0000000113. doi:10.1179/2295333714Y.0000000113. PMID 25560059.
  2. Theodoropoulos, DS.; Shawker, TH.; Heinrichs, C.; Gahl, WA. (Aug 1995). "Medullary nephrocalcinosis in nephropathic cystinosis.". Pediatr Nephrol 9 (4): 412-8. PMID 7577398.
  3. Online 'Mendelian Inheritance in Man' (OMIM) 606272
  4. Online 'Mendelian Inheritance in Man' (OMIM) 219800
  5. Online 'Mendelian Inheritance in Man' (OMIM) 219900
  6. Jump up to: 6.0 6.1 Sharma, A.; Gupta, R.; Sethi, SK.; Bagga, A.; Dinda, AK. (Apr 2011). "Giant cell transformation of podocytes: A unique histological feature associated with cystinosis.". Indian J Nephrol 21 (2): 123-5. doi:10.4103/0971-4065.78067. PMID 21769177.
  7. Jump up to: 7.0 7.1 Chandra, M.; Stokes, MB.; Kaskel, F. (Nov 2010). "Multinucleated podocytes: a diagnostic clue to cystinosis.". Kidney Int 78 (10): 1052. doi:10.1038/ki.2010.341. PMID 21030980.
  8. Emadi, A.; Burns, KH.; Confer, B.; Borowitz, MJ.; Streiff, MB. (2008). "Hematological manifestations of nephropathic cystinosis.". Acta Haematol 119 (3): 169-72. doi:10.1159/000134222. PMID 18493119.