Retinoblastoma and the Genetic Theory of Cancer: An Old Paradigm Trying to Survive to the Evidence

Table 4

13 cases of 13q deletion syndrome referred to the Ocular Oncology Unit of the Department of Ophthalmology of the University of Siena (Italy). 9/13 expressed the unilateral disease phenotype. The calculation of the mean age at diagnosis reveals a value of 10 months.

Patient	Gender	Age at diagnosis	Laterality
Z. A.	F	9 m	B
B. S.	M	5 m	B
V. F.	F	16 m	U
D. D. C.	F	10 m	B
S. G.	F	29 m	U
M.C.	M	10 m	U
F. I.	F	5 m	U
Z. S.	M	8 m	U
P. R.	F	8 m	U
P. A	M	12 m	U
Z. M.	F	5 m	U
Z. E.	F	9 m	U
L. I.	F	5 m	B