Difference between revisions of "Ochronosis"
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**Affected tissues: articular and auricular [[cartilage]], tendons, ligaments [[heart valves]], sclera, cornea. | **Affected tissues: articular and auricular [[cartilage]], tendons, ligaments [[heart valves]], sclera, cornea. | ||
*Dark urine (after exposure to sunlight). | *Dark urine (after exposure to sunlight). | ||
Images: | |||
*[http://www.nejm.org/doi/full/10.1056/NEJMicm1111515 Ochronosis - eye (nejm.org)]. | |||
*[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3470624/figure/f2-1841600/ Ochronosis - hip (nih.gov/CMAJ)]. | |||
==References== | ==References== | ||
{{Reflist| | {{Reflist|2}} | ||
[[Category:Weird stuff]] | [[Category:Weird stuff]] | ||
Revision as of 13:30, 1 February 2013
Ochronosis is a disease characterized by the accumulation of homogentisic acid. It is subclassified as endogenous and exogenous.
The endogenous form is genetic and autosomal recessive.[1] Alcaptonuria is a specific genetic defect that causes ochronosis.[2]
Gross
- Tissue with blue-grey discolourization.[3]
- Affected tissues: articular and auricular cartilage, tendons, ligaments heart valves, sclera, cornea.
- Dark urine (after exposure to sunlight).
Images:
References
- ↑ Turgay, E.; Canat, D.; Gurel, MS.; Yuksel, T.; Baran, MF.; Demirkesen, C. (Dec 2009). "Endogenous ochronosis.". Clin Exp Dermatol 34 (8): e865-8. doi:10.1111/j.1365-2230.2009.03618.x. PMID 20055850.
- ↑ Online 'Mendelian Inheritance in Man' (OMIM) 203500
- ↑ Baeva, M.; Bueno, A.; Dhimes, P.. "AIRP best cases in radiologic-pathologic correlation: ochronosis.". Radiographics 31 (4): 1163-7. doi:10.1148/rg.314105175. PMID 21768245.