Clinicopathological Findings of Retinoblastoma: A 10-Year Experience from a Tertiary Hospital in Kampala, Uganda

Table 3

Histological features of the patients (n = 234 eyes).

Histological features	Number of eyes (N)	Percentage (%)
Tumour differentiation
Well differentiated	46	19.7
Moderately differentiated	76	32.5
Poorly differentiated	112	47.9
Formation of rosettes
Flexner–Wintersteiner	36	15.4
Homer Wright	71	30.3
Pseudorosettes	127	54.3
Fleurettes	—	—
Tumour invasion
Optic nerve	49	28.5
Choroidal	47	27.3
Scleral	39	22.7
Anterior chamber	37	21.5
Necrosis
<50%	51	21.8
>50%	83	35.5
Dystrophic calcification
Yes	69	29.5
No	165	70.5
Cholesterol clefts
Yes	34	14.5
No	200	85.5