Background This study aimed to investigate the clinical and pathological characteristics, and the recurrence and prognostic factors of borderline ovarian tumors (BOTs). Methods The data of 286 patients admitted to hospital and followed up for more than ten months were analyzed retrospectively to study the clinicopathological characteristics and related factors of recurrence. Results The median age of the patients was 42.06 ± 14.97 years, and the duration of the follow-up ranged from 10–109 months. During the follow-up period, 40 patients had a recurrence. Of these patients, 36 were ≤ 40 years, and patients with premenopausal recurrence accounted for 20.5% (36/176). In patients undergoing conservative treatment or radical operations, the recurrence rates were 21.3% and 1.8%, respectively, and they were 13.4% (36/268) in patients at Federation International of Gynecology and Obstetrics (FIGO) stage I, and 22.2% (4/18) in patients at an advanced stage. Postoperative pathology revealed that 40 patients had micropapillary tumors, among whom ten patients (25%) had a recurrence, and 19 patients had complications with interstitial infiltration. Of these 19 patients, six had a recurrence (31.5%). Another 22 patients had complications with calcified sand bodies; among these, eight patients (36.4%) had a recurrence. All the differences were statistically significant (P < 0.05). There were four cancer-related deaths during the follow-up period. Late FIGO stage, conservative operation, and a high level of carbohydrate antigen 125 (CA125) were independent risk factors for the recurrence of BOTs. Conclusion BOTs usually occur in women under 40 years, have an occult onset, and half of the patients have no obvious clinical manifestations. Serum CA125 level can be used as a tumor marker to detect BOTs and the risk of its recurrence. Operation mode and FIGO stage are important independent factors for the recurrence of BOTs.
PDZ‐LIM domain‐containing Protein 2 (PDLIM2) has been reported to be downregulated in ovarian cancer. However, its exact function and mechanism in regulating ovarian cancer progression have not been elucidated. This work researched the exert effect and mechanism of PDLIM2 on ovarian cancer progression. Briefly, PDLIM2 expression in clinical tissues of ovarian cancer patients and cells was investigated by qRT‐PCR and Western blot. The function of PDLIM2 on the proliferation, colony formation, migration and invasion of ovarian cancer cells was explored via cell counting kit‐8, colony formation and Transwell assays. To verify whether PDLIM2 regulates ovarian cancer progression via regulating the transforming growth factor‐β (TGF‐β)/Smad pathway, exogenous TGF‐β (10 ng/mL) treatment was performed on the PDLIM2‐overexpressed ovarian cancer cells. PDLIM2 effect on the in vivo growth of ovarian cancer cells was researched by establishing a xenograft tumor model. Immunohistochemistry and Western blot were performed to protein expression in cells and tissues. As a result, PDLIM2 was low‐expressed in ovarian cancer tissues/cells. PDLIM2 upregulation attenuated the proliferation, colony formation, migration, invasion and epithelial‐mesenchymal transition (EMT) of ovarian cancer cells, and inactivated the TGF‐β/Smad pathway. The opposite results were found in the PDLIM2‐silenced ovarian cancer cells. Exogenous TGF‐β treatment abrogated the inhibition of PDLIM2 on the malignant behavior of ovarian cancer cells. PDLIM2 upregulation attenuated the in vivo growth and EMT of ovarian cancer cells. Thus, PDLIM2 attenuates the proliferation, migration, invasion and EMT of ovarian cancer cells via inactivating the TGF‐β/Smad pathway. PDLIM2 may be a usefully target for ovarian cancer treatment.
ObjectiveThis study aimed to investigate the clinical value of ultrasonography combined with tumor markers in the diagnosis and prediction of recurrence of borderline ovarian tumors (BOTs) and analyze the value of the combination of two different auxiliary examinations in the diagnosis and prediction of recurrence of BOTs.MethodsHere, 221 patients with BOTs confirmed by postoperative pathology were enrolled. Their clinical data, including the ultrasonography features, tumor markers, and clinicopathological data, were retrospectively analyzed.ResultsThe statistical data of the 221 cases with BOTs were as follows: 94 (42.5%) with left-sided lesions, 102 (46.2%) with right-sided lesions, and 25 (11.3%) with bilateral lesions. Moreover, 93 cases (42.1%) had a borderline serous tumor, 110 (49.8%) had a borderline mucinous tumor, 12 (5.4%) had a borderline serous mucinous tumor, 2 (0.9%) had a borderline endometrioid tumor, 1 (0.5%) had a borderline Brenner tumor, and 2 (0.9%) had a clear cell BOT. There were 104 cases (47.1%) with a tumor diameter of ≤10 cm and 117 cases (52.9%) with a tumor diameter of >10 cm as suggested by ultrasonography. There were 89 cases (40.3%) with septation, 44 (19.9%) with papilla, and 97 (43.9%) with blood flow as demonstrated by ultrasonography. Carbohydrate antigen 125 (CA 125) was elevated in 132 cases (59.7%), and CA 19-9 was elevated in 52 cases (23.5%).ConclusionIn general, BOTs are difficult to diagnose preoperatively and have a certain recurrence rate. Ultrasonography combined with CA 125 and CA 19-9 is significant for the preoperative diagnosis and selection of surgical modality for BOTs and could be used as a guideline to achieve good preoperative preparation and avoid secondary surgery.
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