Table 1.

Clinicopathological features in the current and published cases of ovarian combined SBT/LGSC and mesonephric-like lesion

Case	Age (years)	Clinical presentation	Surgical procedure	Tumor site and size	Serous component	Mesonephric component	Extraovarian disease
1 This study	70	Liver lesion and carcinomatosis	TH-BSO, omentectomy	Right ovary: 6.2 cm; left ovary: 2.9 cm	Right ovary: SBT/LGSC; left ovary: SBT	MLA	Liver metastasis; omental metastasis with mixed MLA (95%) and invasive LGSC (5%)
2 This study	58	Bilateral ovarian masses	TH-BSO, omentectomy, staging biopsy	Left ovary: 30cm; right ovary: 17 cm	Bilateral SBT	Mesonephric-like differentiation/hyperplasia	Non-invasive implants
3 Chapel et al. [16]	80	2 months of abdominal pain	TH-BSO, omentectomy and tumor debulking after neoadjuvant chemotherapy	Right ovary: 10.6 cm	SBT and invasive LGSC	MLA	Metastatic MLA: sigmoid mesentery, rectosigmoid serosa and splenic omentum; Mixed MLA (major) and LGSC (minor): uterine serosa and right pelvic sidewall, and in additional metastatic foci on the omentum and rectosigmoid serosa and epiploica
4 McCluggage et al. [15]	61	Pelvic pain and vaginal discharge	TH-BSO, omentectomy, resection of peritoneum from the Pouch of Douglas, and bilateral pelvic lymphadenectomy	Left ovary: 6 cm; Right ovary: 3 cm	Bilateral SBT	MLA	Invasive LGSC (invasive implants) in the Pouch of Douglas and 1 pelvic lymph node
5 Dundr et al. [17]	61	Advanced tumor of the left ovary with abdominal spread and liver metastases	TH-BSO, omentectomy, portion of liver, diaphragm, appendectomy, a resection of an umbilical metastasis	Left ovary: 3.5 cm	SBT	MLA	Omentum and liver with metastatic MLA
6 da Silva et al. [7]	66	-	-	Ovary: 5.4 cm	SBT	MLA	Left rectal mesentery (both components)
7 da Silva et al. [7]	62	-	-	Bowel (metastasis): 7.5 cm	Invasive LGSC	MLA	Bowel (both components)
8 da Silva et al. [7]	61	-	-	Ovary: 4.1 cm	SBT/LGSC	MLA	Peritoneal and omental carcinomatosis (both components), lung, bowel, liver, abdominal and intrathoracic lymph nodes
9 d'Amati et al. [18]	74	Abdominal discomfort; RSO for an ovarian serous cystadenoma at age of 27	TH-LSO, omentectomy, large-bowel segmental resection, and resection of two peritoneal nodules	Left ovary: 4.5 cm	SBT and invasive LGSC	Mesonephric-like carcinosarcoma	Metastatic MLA: omental and peritoneal nodules; carcinosarcoma: large bowel serosa nodule

BSO: bilateral salpingo-oophorectomy; LGSC: low-grade serous carcinoma; LSO: left salpingo-oophorectomy; MLA: mesonephric-like adenocarcinoma; RSO: right salpingo-oophorectomy; SBT: serous borderline tumor; TH: total hysterectomy

IHC: immunohistochemistry; LGSC: low-grade serous carcinoma; SBT: serous borderline tumor