Sunday, 25 October 2009

what is your diagnosis?

figure 1
figure 2

confusion can sometimes happened between laser photocoagulation sacrs(1) and retinitis pigmentosa(2).
remember in laser photocoagulation the sacrs rounded in shape and follow certain pattern.

retinitis pigmentosa:
usually described as : wide spread scuttered black pimentation in the prephery resmbling bony specules and the macula is spared.

certain conditions are associated with RP:
  • AR
  • mental disability
  • polydactly
  • syndactly
  • hypogonadism
  • obesity

Refsum's syndrome:
  • AR
  • deafness
  • cerebellar ataxia
  • ichthyosis

Kearns-Sayre syndrome:
  • heart block
  • progressive external oophthalmoplagia.

what is the pathophysiology of retinitis pigmentosa?

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