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What is HLA-A29 is associated with and explain in detail?
BIRD-SHOT RETINOCHOROIDOPATHY It is a rare, idiopathic, bilaterally symmetrical chronic multifocal chorioretinitis characterised by numerous flat creamy-yellow spots due to focal chorioretinal hypopigmentation, resembling the pattern of 'bird- shot scatter from a shotgun'. The disease, more common in females than males, typically affects middle-aged healthy persons who are positive for HLA-A29. It runs a long chronic course of several years. Treatment with coicosteroids is usually not effective. Ref:- A K KHURANA; pg num:-161