Table 1

Main clinical, pathological, and biological features of the cases of primary paediatric follicular lymphoma of the testis quoted in the literature compared with the ones of the reported case

Case (ref)Age (years)TestisTumour sizeStageHistoGradeTreatOutcomeBcl-2CD10Bcl-6p53IgH/RIgH/MBCL-2/RBCL-6/RBCL-6/MDAP
Bcl-2, Bcl-2 protein immunostaining; Bcl-6, Bcl–6 protein immunostaining; BCL-2/R, BCL-2 gene rearrangement; BCL-6/R, BCL-6 gene rearrangement; BCL-6/M, BCL-6 gene somatic mutations; CD10, CD10 immunostaining; CX, chemotherapy; DAP, DAP kinase gene hypermethylation; E, extranodal; F, follicular; F&D, follicular and diffuse; Histo, histology; IgH/M, IgVH gene somatic mutations; IgH/R, IgVH gene clonal rearrangement; NA, not available; NED, no evidence of disease; OR, orchiectomy; p53, p53 product immunostaining; Treat, treatment; –, negative result; +, positive result.
*Follow up updated in Finn et al.14
1 (13)8Left2.0 cmIEF3ORNED/44 mo*NANANAClonalNANANANA
2 (14)3Left2.8 cmIEF&D3OR+CXNED/18 mo+NANANANA
3 (14)3Right2.3 cmIEF3OR+CXNED/18 mo+ClonalNA+NANA
4 (14)10Left4.0 cmIEF3OR+CXNED/19 moNA+ClonalNANANANA
5 (14)5Right4.0 cmIEF3OR+CXNED/24 moNANANANANANANANA
6 (15)6Right3.0 cmIEF&D3OR+CXNED/7 mo++NANANANANA
7 (present case)4Left2.0 cmIEF&D3OR+CXNED/26 mo++Clonal+NA+