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. 2011 Feb 8;104(5):863–870. doi: 10.1038/sj.bjc.6606092

Table 2. Histological type and distribution of benign disease.

Histological type n %
Cystadenoma/cystadenofibromaa 78 34.1
Endometriosis 66 28.9
Mature teratoma 29 12.7
Fibroma/thecoma 15 6.6
Functional cyst 13 5.7
Hydrosalpinx 3 1.3
Abces 2 0.9
Parasalpingeal cyst 2 0.9
Struma ovarii 2 0.9
Leydig cell tumour 1 0.4
Unknown 1 0.4
Mixed 16 7.0
Total 228 100.0
a

Including 47 serous, 26 mucinous and 5 other or mixed cystadenomas/cystadenofibromas.