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[An analysis of the cause of misdiagnosis with ocular opportunistic infection].

OBJECTIVE
To evaluate the causes of misdiagnosis with ocular opportunistic infection.


METHOD
The causes of misdiagnosis on 4 cases (6 eyes) with ocular opportunistic infection were analyzed.


RESULTS
Acanthoamoeba keratitis was misdiagnosed as herpes simplex keratitis and fungal keratitis in 1 case (1 eye). Propionibacterium acne endophthalmitis was misdiagnosed as exogenous fungal keratitis in 1 case (1 eye). Endogenous fungal endophthalmitis was misdiagnosed as metastatic choroid cancer from lung in 1 case (2 eyes). Cytomegalovirus retinitis was misdiagnosed as endogenous fungal endophthalmitis in 1 case (2 eyes).


CONCLUSION
If common therapies are of no effect with some ocular infections and the causative organisms responsible for the infection could not be found out after repeated tests, the rare ocular opportunistic infection should be considered. Special examinations (such as acanthoamoeba culture, anaerobic culture, fungus blood culture, cytomegalovirus serological assays, etc.) should be made for a definite diagnosis.