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. 2013 Mar 15;19:561–574.

Table 2. Demographic and clinical characteristics of studied retinoblastoma cases.

Gender
Male 58.3%; female 41.7%
Laterality
Unilateral: 31/34 (91.2%)
 
right eye: 16/31; left eye: 15/31
 
Bilateral: 5/34 (14.7%)
Mode of presentation
Leukocoria: 31/34 (91.2%)
 
Pink eye: 2/34 (5.9%)
 
Esotropia: 1/34 (2.8%)
 
Reduced vision with esotropia: 1/34 (2.9%)
 
Leukocoria with esotropia: 1/34 (2.9%)
Extraocular invasion
Optic nerve invasion: 22/34 (64.7%)
 
Choroidal invasion: 11/34 (32.3%)
 
focal: 7/11
 
massive: 4/11
 
No optic nerve or choroidal invasion: 11/34 (32.3%)
 
Both types of invasion: 8/34 (23.5%)
RB differentiation
Undifferentiated: 24/34 (70.6%)
  Differentiated: 10/34 (29.4%)
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