1.Erratum - Influence of various metal oxides on mechanical and physical properties of heat-cured polymethyl methacrylate denture base resins.
Neset Volkan ASAR ; Hamdi ALBAYRAK ; Turan KORKMAZ ; Ilser TURKYILMAZ
The Journal of Advanced Prosthodontics 2013;5(4):502-502
The words "B" and "C" were mistakenly arranged in Fig. 1. It should be changed with each other.
2.Influence of various metal oxides on mechanical and physical properties of heat-cured polymethyl methacrylate denture base resins.
Neset Volkan ASAR ; Hamdi ALBAYRAK ; Turan KORKMAZ ; Ilser TURKYILMAZ
The Journal of Advanced Prosthodontics 2013;5(3):241-247
PURPOSE: To evaluate the effect of various metal oxides on impact strength (IS), fracture toughness (FT), water sorption (WSP) and solubility (WSL) of heat-cured acrylic resin. MATERIALS AND METHODS: Fifty acrylic resin specimens were fabricated for each test and divided into five groups. Group 1 was the control group and Group 2, 3, 4 and 5 (test groups) included a mixture of 1% TiO2 and 1% ZrO2, 2% Al2O3, 2% TiO2, and 2% ZrO2 by volume, respectively. Rectangular unnotched specimens (50 mm x 6.0 mm x 4.0 mm) were fabricated and droptower impact testing machine was used to determine IS. For FT, compact test specimens were fabricated and tests were done with a universal testing machine with a cross-head speed of 5 mm/min. For WSP and WSL, discshaped specimens were fabricated and tests were performed in accordance to ISO 1567. ANOVA and Kruskal-Wallis tests were used for statistical analyses. RESULTS: IS and FT values were significantly higher and WSP and WSL values were significantly lower in test groups than in control group (P<.05). Group 5 had significantly higher IS and FT values and significantly lower WSP values than other groups (P<.05) and provided 40% and 30% increase in IS and FT, respectively, compared to control group. Significantly lower WSL values were detected for Group 2 and 5 (P<.05). CONCLUSION: Modification of heat-cured acrylic resin with metal oxides, especially with ZrO2, may be useful in preventing denture fractures and undesirable physical changes resulting from oral fluids clinically.
Collodion
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Denture Bases
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Dentures
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Oxides
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Polymers
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Polymethyl Methacrylate
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Reinforcement (Psychology)
;
Solubility
;
Water
3.Prognostic factors of adult granulosa cell tumors of the ovary: a Turkish retrospective multicenter study
Okan OKTAR ; Vakkas KORKMAZ ; Alp TOKALIOĞLU ; Çağatayhan ÖZTÜRK ; Özgür ERDOĞAN ; Yeşim UÇAR ; Hande Esra KOCA YILDIRIM ; Candost HANEDAN ; Fatih KILIÇ ; Burak ERSAK ; Necim YALÇIN ; Fatma ÖZMEN ; Alper KAHRAMAN ; Selin Aktürk ESEN ; Sevda BAŞ ; Emel Doğan ÖZDAŞ ; İlker SELÇUK ; Gökhan UÇAR ; Özgür KOÇAK ; Caner ÇAKIR ; Sevgi KOÇ ; Çiğdem KILIÇ ; Günsu Kimyon CÖMERT ; Işın ÜREYEN ; Tayfun TOPTAŞ ; Mehmet Ali NARIN ; Tolga TAŞÇI ; Salih TAŞKIN ; Nurettin BORAN ; Muzaffer SANCI ; Fahriye Tuğba KÖŞ ; Özlem Moraloğlu TEKIN ; Yaprak Engin ÜSTÜN ; Fırat ORTAÇ ; Taner TURAN
Journal of Gynecologic Oncology 2024;35(3):e39-
Objective:
To define the clinical, histopathological features and the prognostic factors affecting survival in patients with adult granulosa cell tumors of the ovary (AGCT).
Methods:
A 322 patients whose final pathologic outcome was AGCT treated at nine tertiary oncology centers between 1988 and 2021 participated in the study.
Results:
The mean age of the patients was 51.3±11.8 years and ranged from 21 to 82 years.According to the International Federation of Gynecology and Obstetrics 2014, 250 (77.6%) patients were stage I, 24 (7.5%) patients were stage II, 20 (6.2%) patients were stage III, and 3 (7.8%) were stage IV. Lymphadenectomy was added to the surgical procedure in 210(65.2%) patients. Lymph node involvement was noted in seven (3.3%) patients. Peritoneal cytology was positive in 19 (5.9%) patients, and 13 (4%) had metastases in the omentum. Of 285 patients who underwent hysterectomy, 19 (6.7%) had complex hyperplasia with atypia/ endometrial intraepithelial neoplasia, and 8 (2.8%) had grade 1 endometrioid endometrial carcinoma. It was found that 93 (28.9%) patients in the study group received adjuvant treatment. Bleomycin, etoposide, cisplatin was the most commonly used chemotherapy protocol. The median follow-up time of the study group was 41 months (range, 1–276months). It was noted that 34 (10.6%) patients relapsed during this period, and 9 (2.8%)patients died because of the disease. The entire cohort had a 5-year disease-free survival (DFS) of 86% and a 5-year disease-specific survival of 98%. Recurrences were observed only in the pelvis in 13 patients and the extra-abdominal region in 7 patients. The recurrence rate increased 6.168-fold in patients with positive peritoneal cytology (95% confidence interval [CI]=1.914–19.878; p=0.002), 3.755-fold in stage II–IV (95% CI=1.275–11.063; p=0.016), and 2.517-fold in postmenopausal women (95% CI=1.017–6.233; p=0.046) increased.
Conclusion
In this study, lymph node involvement was detected in 3.3% of patients with AGCT. Therefore, it was concluded that lymphadenectomy can be avoided in primary surgical treatment. Positive peritoneal cytology, stage, and menopausal status were independent prognostic predictors of DFS.
4.Prognostic factors of adult granulosa cell tumors of the ovary: a Turkish retrospective multicenter study
Okan OKTAR ; Vakkas KORKMAZ ; Alp TOKALIOĞLU ; Çağatayhan ÖZTÜRK ; Özgür ERDOĞAN ; Yeşim UÇAR ; Hande Esra KOCA YILDIRIM ; Candost HANEDAN ; Fatih KILIÇ ; Burak ERSAK ; Necim YALÇIN ; Fatma ÖZMEN ; Alper KAHRAMAN ; Selin Aktürk ESEN ; Sevda BAŞ ; Emel Doğan ÖZDAŞ ; İlker SELÇUK ; Gökhan UÇAR ; Özgür KOÇAK ; Caner ÇAKIR ; Sevgi KOÇ ; Çiğdem KILIÇ ; Günsu Kimyon CÖMERT ; Işın ÜREYEN ; Tayfun TOPTAŞ ; Mehmet Ali NARIN ; Tolga TAŞÇI ; Salih TAŞKIN ; Nurettin BORAN ; Muzaffer SANCI ; Fahriye Tuğba KÖŞ ; Özlem Moraloğlu TEKIN ; Yaprak Engin ÜSTÜN ; Fırat ORTAÇ ; Taner TURAN
Journal of Gynecologic Oncology 2024;35(3):e39-
Objective:
To define the clinical, histopathological features and the prognostic factors affecting survival in patients with adult granulosa cell tumors of the ovary (AGCT).
Methods:
A 322 patients whose final pathologic outcome was AGCT treated at nine tertiary oncology centers between 1988 and 2021 participated in the study.
Results:
The mean age of the patients was 51.3±11.8 years and ranged from 21 to 82 years.According to the International Federation of Gynecology and Obstetrics 2014, 250 (77.6%) patients were stage I, 24 (7.5%) patients were stage II, 20 (6.2%) patients were stage III, and 3 (7.8%) were stage IV. Lymphadenectomy was added to the surgical procedure in 210(65.2%) patients. Lymph node involvement was noted in seven (3.3%) patients. Peritoneal cytology was positive in 19 (5.9%) patients, and 13 (4%) had metastases in the omentum. Of 285 patients who underwent hysterectomy, 19 (6.7%) had complex hyperplasia with atypia/ endometrial intraepithelial neoplasia, and 8 (2.8%) had grade 1 endometrioid endometrial carcinoma. It was found that 93 (28.9%) patients in the study group received adjuvant treatment. Bleomycin, etoposide, cisplatin was the most commonly used chemotherapy protocol. The median follow-up time of the study group was 41 months (range, 1–276months). It was noted that 34 (10.6%) patients relapsed during this period, and 9 (2.8%)patients died because of the disease. The entire cohort had a 5-year disease-free survival (DFS) of 86% and a 5-year disease-specific survival of 98%. Recurrences were observed only in the pelvis in 13 patients and the extra-abdominal region in 7 patients. The recurrence rate increased 6.168-fold in patients with positive peritoneal cytology (95% confidence interval [CI]=1.914–19.878; p=0.002), 3.755-fold in stage II–IV (95% CI=1.275–11.063; p=0.016), and 2.517-fold in postmenopausal women (95% CI=1.017–6.233; p=0.046) increased.
Conclusion
In this study, lymph node involvement was detected in 3.3% of patients with AGCT. Therefore, it was concluded that lymphadenectomy can be avoided in primary surgical treatment. Positive peritoneal cytology, stage, and menopausal status were independent prognostic predictors of DFS.
5.Prognostic factors of adult granulosa cell tumors of the ovary: a Turkish retrospective multicenter study
Okan OKTAR ; Vakkas KORKMAZ ; Alp TOKALIOĞLU ; Çağatayhan ÖZTÜRK ; Özgür ERDOĞAN ; Yeşim UÇAR ; Hande Esra KOCA YILDIRIM ; Candost HANEDAN ; Fatih KILIÇ ; Burak ERSAK ; Necim YALÇIN ; Fatma ÖZMEN ; Alper KAHRAMAN ; Selin Aktürk ESEN ; Sevda BAŞ ; Emel Doğan ÖZDAŞ ; İlker SELÇUK ; Gökhan UÇAR ; Özgür KOÇAK ; Caner ÇAKIR ; Sevgi KOÇ ; Çiğdem KILIÇ ; Günsu Kimyon CÖMERT ; Işın ÜREYEN ; Tayfun TOPTAŞ ; Mehmet Ali NARIN ; Tolga TAŞÇI ; Salih TAŞKIN ; Nurettin BORAN ; Muzaffer SANCI ; Fahriye Tuğba KÖŞ ; Özlem Moraloğlu TEKIN ; Yaprak Engin ÜSTÜN ; Fırat ORTAÇ ; Taner TURAN
Journal of Gynecologic Oncology 2024;35(3):e39-
Objective:
To define the clinical, histopathological features and the prognostic factors affecting survival in patients with adult granulosa cell tumors of the ovary (AGCT).
Methods:
A 322 patients whose final pathologic outcome was AGCT treated at nine tertiary oncology centers between 1988 and 2021 participated in the study.
Results:
The mean age of the patients was 51.3±11.8 years and ranged from 21 to 82 years.According to the International Federation of Gynecology and Obstetrics 2014, 250 (77.6%) patients were stage I, 24 (7.5%) patients were stage II, 20 (6.2%) patients were stage III, and 3 (7.8%) were stage IV. Lymphadenectomy was added to the surgical procedure in 210(65.2%) patients. Lymph node involvement was noted in seven (3.3%) patients. Peritoneal cytology was positive in 19 (5.9%) patients, and 13 (4%) had metastases in the omentum. Of 285 patients who underwent hysterectomy, 19 (6.7%) had complex hyperplasia with atypia/ endometrial intraepithelial neoplasia, and 8 (2.8%) had grade 1 endometrioid endometrial carcinoma. It was found that 93 (28.9%) patients in the study group received adjuvant treatment. Bleomycin, etoposide, cisplatin was the most commonly used chemotherapy protocol. The median follow-up time of the study group was 41 months (range, 1–276months). It was noted that 34 (10.6%) patients relapsed during this period, and 9 (2.8%)patients died because of the disease. The entire cohort had a 5-year disease-free survival (DFS) of 86% and a 5-year disease-specific survival of 98%. Recurrences were observed only in the pelvis in 13 patients and the extra-abdominal region in 7 patients. The recurrence rate increased 6.168-fold in patients with positive peritoneal cytology (95% confidence interval [CI]=1.914–19.878; p=0.002), 3.755-fold in stage II–IV (95% CI=1.275–11.063; p=0.016), and 2.517-fold in postmenopausal women (95% CI=1.017–6.233; p=0.046) increased.
Conclusion
In this study, lymph node involvement was detected in 3.3% of patients with AGCT. Therefore, it was concluded that lymphadenectomy can be avoided in primary surgical treatment. Positive peritoneal cytology, stage, and menopausal status were independent prognostic predictors of DFS.