Table 3.

Histological outcome in ovarian lesions that were inconclusive by IOTA simple rules and deep neural network model Ovry‐Dx2, and difficult to classify by expert subjective assessment (SA)

Histological outcome	SA uncertain (n = 27)	Simple rules inconclusive (n = 41)	Ovry‐Dx2 inconclusive (n = 19)	Overlapping inconclusive/uncertain cases by Ovry‐Dx2 and SA (n = 10)
Benign
Endometrioma	1	2	1	—
Dermoid	5	3	4	2
Simple cyst	—	1	—	—
Paraovarian	—	—	—	—
Rare benign	1	—	—	—
(Hydro‐)pyosalpinx	—	—	—	—
Fibroma/myoma	1	2	2	1
Cystadenoma/cystadenofibroma	9	13	5	3
Peritoneal/inclusion cyst	1	—	—	—
Borderline malignant
Serous	2	2	2	1
Mucinous	3	5	2	2
Invasive malignant
Epithelial ovarian cancer	3	7	3	1
Non‐epithelial ovarian cancer	1	3	—	—
Metastatic ovarian tumor	—	3	—	—

Data are given as n.