08 July 2026
: Case report 
Misdiagnosis of Endometrioid Borderline Ovarian Tumors by Intraoperative Frozen Section Pathology: A Case Report and Review of the Literature
Challenging differential diagnosis, Unusual or unexpected effect of treatment, Diagnostic / therapeutic accidents, Unexpected drug reaction, Rare disease, Educational Purpose (only if useful for a systematic review or synthesis)
Huifen Wang AB 1, Hongqin Du A 1*DOI: 10.12659/AJCR.952134
Am J Case Rep 2026; 27:e952134
Table 2 Summary of bilateral endometrioid borderline ovarian tumor (EBOT) cases.
| Report | n | Surgical approach | Prognosis |
|---|---|---|---|
| Candotti et al (2025) []7 | 5 | 3 Cases: bilateral salpingo-oophorectomy (BSO) + total hysterectomy; 2 cases: BSO | Median follow-up 89 months; no recurrence observed |
| Ricotta et al (2022) []8 | 2 | 1 Case: abdominal hysterectomy + BSO + comprehensive staging; 1 case: unilateral salpingo-oophorectomy + contralateral ovarian cystectomy + comprehensive staging | Both patients showed no recurrence during long-term follow-up (72 months and 126 months) |
| El Hajj et al (2022) []9 | 1 | Intramucosal low-grade endometrioid adenocarcinoma found in one side; underwent comprehensive staging surgery | Patient prognosis not mentioned |
| Yüksel et al (2018) []10 | 1 | Total hysterectomy + BSO | Postoperative follow-up 72 months; no tumor recurrence observed |
| Jia et al (2018) []11 | 1 | Surgical approach not specified | No recurrence; specific follow-up time not mentioned. |
| Uzan et al (2012) []12 | 1 | Surgical approach not specified | Postoperative follow-up 24 months; no tumor recurrence observed |