Full Text Journal Articles by
Author Nejat Ozgul

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Recurrent mucinous neoplasm arising in cesarean scar: A case report and review of literature.

Fatma Gundogdu, Nazlı Orhan, Nejat Ozgul, Alp Usubutun,

Ovarian mucinous tumors are one of the common epithelial tumors in the ovary, but their recurrence is extremely rare. In a 37-year-old female patient who had had five operations in 7 years due to recurrent mucinous neoplasms, a mass extending to the umbilicus was recently detected during a routine examination. With ... Read more >>

Int J Gynaecol Obstet (International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics)
[2021, :]

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Impact of clinicopathological variables on laparoscopic hysterectomy complications, a tertiary center experience.

Utku Akgör, Oğuzhan Kuru, Ali Can Güneş, Esra Karataş, B Esat Temiz, B Emre Erzeneoğlu, Murat Gültekin, M Coşkun Salman, Z Selçuk Tuncer, Nejat Özgül,

<h4>Objectives</h4>To analyze intraoperative and postoperative complications according to Clavian-Dindo Classification (CDC) and evaluate the influence of clinicopathological features on the feasibility and safety of total laparoscopic hysterectomy (TLH) in patients that underwent surgery in a tertiary center.<h4>Material and methods</h4>We retrospectively reviewed the database of 469 patients that underwent surgery for ... Read more >>

Ginekol Pol (Ginekologia polska)
[2021, :]

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Could the Long-Term Oncological Safety of Laparoscopic Surgery in Low Risk Endometrial Cancer be also valid for the High Intermediate and High-Risk Patients? A Multi-center Turkish Gynecologic Oncology Group Study Conducted with 2745 Endometrial Cancer Cases. (TRSGO-End-001)

Mehmet Ali Vardar, Ahmet Baris Guzel, Salih Taşkın, Mete Güngör, Nejat Özgül, Mehmet Coşkun Salman, Ümran Kucukgoz Gulec, Ghanim Khatib, Cağatay Taşkıran, Ilkkan Dünder, Fırat Ortaç, Kunter Yüce, Coşan Terek, Tayup Şimşek, Aydın Özsaran, Anıl Onan, Gonca Çoban Şerbetcioğlu, Samet Topuz, Fuat Demirkıran, Özgüç Takmaz, Mehmet Faruk Köse, Ahmet Göçmen, Gülşah Şeydaoğlu, Derya Gumurdulu, Ali Ayhan,

Could the Long-Term Oncological Safety of Laparoscopic Surgery in Low Risk Endometrial Cancer be also valid for the High Intermediate and High-Risk Patients? A Multi-center Turkish Gynecologic Oncology Group Study Conducted with 2745 Endometrial Cancer Cases. (TRSGO-End-001) <h4>Aim: </h4> to compare the long-term oncological outcomes of laparotomy and laparoscopic surgeries ... Read more >>

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Impact of cytoreductive surgery on survival of patients with low-grade serous ovarian carcinoma: A multicentric study of Turkish Society of Gynecologic Oncology (TRSGO-OvCa-001).

Dogan Vatansever, Cagatay Taskiran, Mehmet Mutlu Meydanli, Kemal Gungorduk, Ozgur Akbayir, Ibrahim Yalcin, Fuat Demirkiran, Hamdullah Sozen, Nejat Ozgul, Husnu Celik, Mehmet Anil Onan, Salih Taskin, Tufan Oge, Tayyup Simsek, Sara Abboud, Ilkbal Temel Yuksel, Ali Ayhan,

<h4>Background and objectives</h4>The aim of this study was to analyze the factors affecting recurrence-free (RFS) and overall survival (OS) rates of women diagnosed with low-grade serous ovarian cancer (LGSOC).<h4>Methods</h4>Databases from 13 participating centers in Turkey were searched retrospectively for women who had been treated for stage I-IV LGSOC between 1997 ... Read more >>

J Surg Oncol (Journal of surgical oncology)
[2021, 123(8):1801-1810]

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Is the extent of lymphadenectomy a prognostic factor in International Federation of Gynecology and Obstetrics stage II endometrioid endometrial cancer?

Zeliha Firat Cuylan, Huseyin Akilli, Kemal Gungorduk, Fuat Demirkiran, Murat Oz, Mehmet Coskun Salman, Hamdullah Sozen, Husnu Celik, Mehmet Gokcu, Tugan Bese, Mehmet Mutlu Meydanli, Nejat Ozgul, Samet Topuz, Esra Kuscu, Oguzhan Kuru, Sibel Gokmen, Murat Gultekin, Ali Ayhan,

<h4>Aim</h4>This study aimed to evaluate the prognostic significance of adequate lymph node dissection (LND) (≥10 pelvic lymph nodes (LNs) and ≥ 5 paraaortic LNs removed) in patients with International Federation of Gynecology and Obstetrics (FIGO) stage II endometrioid endometrial cancer (EEC).<h4>Methods</h4>A multicenter department database review was performed to identify patients who had ... Read more >>

J Obstet Gynaecol Res (The journal of obstetrics and gynaecology research)
[2021, 47(3):1134-1144]

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Prognostic factors and survival outcomes of women with uterine leiomyosarcoma: A Turkish Uterine Sarcoma Group Study-003.

Ali Ayhan, Kemal Gungorduk, Ghanim Khatib, Zeliha Fırat Cüylan, Nurettin Boran, Mehmet Gökçü, Hüsnü Çelik, Nejat Özgül, Özgür Akbayir, Tayup Şimşek, Abdülkadir Bakay, Mehmet Faruk Köse, Mehmet Tunç, Ümran Küçükgöz Güleç, Sevgi Koç, Esra Kuşçu, Mehmet Ali Vardar, Hüseyin Akilli, Cagatay Taskiran, Mehmet Mutlu Meydanlı,

To assess the clinicopathological features, prognostic factors, and survival rates associated with uterine leiomyosarcoma (uLMS). Databases from 15 participating gynecological oncology centers in Turkey were searched retrospectively for women who had been treated for stage I-IV uLMS between 1996 and 2018. Of 302 consecutive women with uLMS, there were 234 ... Read more >>

Curr Probl Cancer (Current problems in cancer)
[2021, :100712]

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Low-grade endometrial stromal sarcoma: A Turkish uterine sarcoma group study analyzing prognostic factors and disease outcomes.

Ali Ayhan, Tayfun Toptas, Murat Oz, Mehmet Ali Vardar, Fulya Kayikcioglu, Nejat Ozgul, Mehmet Gokcu, Tayup Simsek, Mehmet Tunc, Mehmet Mutlu Meydanli,

<h4>Objective</h4>To investigate factors associated with refractory disease, recurrence, or death as well as disease-free survival (DFS) and overall survival (OS) in low-grade endometrial sarcoma (LGESS).<h4>Methods</h4>A multi-institutional, retrospective study was conducted in a total of 124 patients, who received a curative-intent surgery. The exclusion criteria were as follows: i) history of ... Read more >>

Gynecol Oncol (Gynecologic oncology)
[2021, 160(3):674-680]

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Cytoreductive surgery including distal pancreatectomy with splenectomy in advanced stage ovarian cancer: Two centers analysis.

Anil Erturk, Oguzhan Kuru, Utku Akgor, Gokhan Boyraz, Caner Cakir, Taner Turan, Nejat Ozgul, Coskun Salman, Kunter Yuce,

<h4>Objective</h4>Complex procedures such as distal pancreatectomy and splenectomy (DPS) may be required for R0 resection in patients with ovarian cancer (OC). These procedures can increase survival and cause serious morbidity. We aimed to present our experience in this field.<h4>Materials and methods</h4>Thirteen patients who underwent DPS for OC between January 2004 ... Read more >>

Taiwan J Obstet Gynecol (Taiwanese journal of obstetrics & gynecology)
[2020, 59(6):862-864]

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Retrospective Analysis of Pure Ovarian Immature Teratoma in Patients Aged 15-39 Years: A Turkish Multicenter Study.

Dilek Yüksel, Sevgi Ayhan, Vakkas Korkmaz, Caner Çakır, Çiğdem Kılıç, Utku Akgor, Nejat Özgül, Fatih Kılıç, Burak Ersak, Selin Esen, Oğuzhan Kuru, Doğan Uncu, Mehmet Gökcü, Bülent Özdal, Murat Gültekin, Mehmet Coşkun Salman, Nurettin Boran, Tayfun Toptaş, Işın Üreyen, Tolga Taşcı, Günsu Kimyon Cömert, Osman Türkmen, Özlem Moraloğlu Tekin, Yaprak Engin Üstün, Taner Turan,

<b><i>Purpose:</i></b> To evaluate the clinicopathological characteristics and surgical outcomes in patients with pure ovarian immature teratomas (POITs). <b><i>Materials and Methods:</i></b> In this multicenter study, a retrospective review was made of the databases of six Gynecology Oncology Departments in Turkey to identify patients with POITs who had undergone surgery between 1993 ... Read more >>

J Adolesc Young Adult Oncol (Journal of adolescent and young adult oncology)
[2020, :]

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Does tumor size have prognostic value in patients undergoing lymphadenectomy in endometrioid-type endometrial cancer confined to the uterine corpus?

Caner Çakır, İsmet Çiğdem Kılıç, Dilek Yüksel, Yalın Ay Karyal, Işın Üreyen, Gökhan Boyraz, Yasin Durmuş, Murat Gültekin, Nejat Özgül, Mustafa Alper Karalök, Mehmet Coşkun Salman, Kunter Yüce, Ahmet Taner Turan,

Background/aim:We aimed to define the effect of tumor size on recurrence and survival rates in patients with stage I–II endometrioid-type endometrial cancer. Materials and methods:A total of 550 patients who had total abdominal hysterectomy, bilateral salpingo-oophorectomy, and pelvic-paraaortic lymphadenectomy were included. Patients with extrauterine spread, sarcomatous components, or synchronized tumor ... Read more >>

Turk J Med Sci (Turkish journal of medical sciences)
[2019, 49(5):1403-1410]

Cited: 2 times

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Neuroendocrine carcinoma of the endometrium: A very rare gynecologic malignancy.

Utku Akgor, Oguzhan Kuru, Mehmet Sakinci, Gokhan Boyraz, Serhat Sen, Ilker Cakır, Taner Turan, Mehmet Gokcu, Murat Gultekin, Sevil Sayhan, Coskun Salman, Nejat Ozgul,

<h4>Objective</h4>To investigate the clinicopathologic characteristics, prognostic factors, outcome, and treatment of the neuroendocrine carcinoma (NEC) of the endometrium.<h4>Materials and methods</h4>We retrospectively reviewed the clinicopathologic and survival data of 10 patients who underwent surgery for NEC. The patients were collected between 1999 and 2017 from four referral centers in Turkey.<h4>Results</h4>The median ... Read more >>

J Gynecol Obstet Hum Reprod (Journal of gynecology obstetrics and human reproduction)
[2021, 50(5):101897]

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Adnexal masses in patients with colorectal cancer.

Utku Akgor, Oguzhan Kuru, Burcu Soyak, Ali Can Gunes, Esra Uyanık, Murat Gultekin, Nejat Ozgul, Coskun Salman,

<h4>Objective</h4>To evaluate the clinicopathological features and outcomes of patients undergone surgery for benign and metastatic adnexal masses during the surveillance of colorectal cancer (CRC).<h4>Methods</h4>A single institute retrospective study involving 90 patients diagnosed with CRC that undergone surgery at Hacettepe University Hospital between 2000-2018. Clinicopathological and survival data was obtained from ... Read more >>

J Gynecol Obstet Hum Reprod (Journal of gynecology obstetrics and human reproduction)
[2021, 50(5):101898]

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The relationship between the presence of HPV infection and biofilm formation in cervicovaginal smears.

Hanife Guler Donmez, Gulcan Sahal, Utku Akgor, Murat Cagan, Nejat Ozgul, Mehmet Sinan Beksac,

<h4>Purpose</h4>To demonstrate and understand the association of HPV infection and biofilm formation.<h4>Methods</h4>The study consisted of cervicovaginal samples of 72 women who were evaluated at the colposcopy unit. Papanicolaou staining was used for cytological examination while "Crystal Violet Binding" assay was performed to detect biofilm formation.<h4>Results</h4>HPV-DNA was positive in 55.5% (n = 40) ... Read more >>

Infection (Infection)
[2020, 48(5):735-740]

Cited: 1 time

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How to triage HPV positive cases: Results of four million females.

Murat Gultekin, Selin Dundar, Bekir Keskinkilic, Murat Turkyilmaz, Nejat Ozgul, Kunter Yuce, Fatih Kara,

<h4>Objective</h4>To evaluate the Turkey's nationwide HPV DNA screening program on the basis of first 4 million screened women.<h4>Methods</h4>Women over age 30 were invited for screening via HPV DNA and conventional cytology. Single visit screen strategy was used to collect for both screening and triage (extended genotyping and conventional pap-smear).<h4>Results</h4>A total ... Read more >>

Gynecol Oncol (Gynecologic oncology)
[2020, 158(1):105-111]

Cited: 1 time

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Herlyn-Werner-Wunderlich Syndrome; laparoscopic treatment of obstructing longitudinal vaginal septum in patients with hematocolpos - a different technique for virgin patients

Gökhan Boyraz, Alper Karalok, Taner Turan, Nejat Özgül,

We aimed to define a new laparoscopic treatment approach for patients with hematocolpos and obstructed hemi-vagina due to longitudinal obstructing vaginal septum. This technique is particularly useful for patients who desire to preserve virginity. To the best of our knowledge this is the first case reporting laparoscopic resection of vaginal ... Read more >>

J Turk Ger Gynecol Assoc (Journal of the Turkish German Gynecological Association)
[2020, 21(4):303-304]

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Prognostic factors and oncological outcomes of ovarian yolk sac tumors: a retrospective multicentric analysis of 99 cases.

Gokhan Boyraz, Yasin Durmus, Irfan Cicin, Oguzhan Kuru, Esra Bostanci, Gunsu Kimyon Comert, Hanifi Sahin, Hulya Ayik, Isin Ureyen, Alper Karalok, Mehmet Mutlu Meydanli, Mehmet Coskun Salman, Nejat Ozgul, Anil Onan, Tayup Simsek, Kunter Yuce, Taner Turan,

<h4>Purpose</h4>To investigate the clinico-pathological prognostic factors and treatment outcomes in patients with ovarian yolk sac tumors (YST).<h4>Methods</h4>A multicenter, retrospective department database review was performed to identify patients with ovarian YST who underwent surgery between 2000 and 2017 at seven Gynecologic Oncology Centers in Turkey.<h4>Results</h4>The study group consisted of 99 consecutive ... Read more >>

Arch Gynecol Obstet (Archives of gynecology and obstetrics)
[2019, 300(1):175-182]

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Effect of Adjuvant Therapy on Oncologic Outcomes of Surgically Confirmed Stage I Uterine Carcinosarcoma: a Turkish Gynecologic Oncology Study

Günsu Kimyon Cömert, Osman Türkmen, Gökhan Boyraz, İbrahim Yalçın, Duygu Altın, Alper Karalök, Hanifi Şahin, Salih Taşkın, Derman Başaran, Zeliha Fırat Cuylan, Kazibe Koyuncu, Mehmet Coşkun Salman, Nejat Özgül, Mehmet Mutlu Meydanlı, Taner Turan, Fırat Ortaç, Kunter Yüce,

<h4>Background</h4>Uterine carcinosarcoma is rare neoplasm that mostly presents as metastatic disease. Stage is one of the most important prognostic factor, however, the management of the early stage uterine carcinosarcoma is still controversial.<h4>Aims</h4>To evaluate prognostic factors, treatment options, and survival outcomes in patients with surgically approved stage I uterine carcinosarcoma.<h4>Study design</h4>Cross-sectional ... Read more >>

Balkan Med J (Balkan medical journal)
[2019, 36(4):229-234]

Cited: 1 time

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Risk Factors for Recurrence in Low-Risk Endometrial Cancer: A Case-Control Study.

Kemal Güngördük, Zeliha Firat Cüylan, Ilker Kahramanoglu, Tufan Oge, Ozgur Akbayir, Murat Dede, Salih Taşkın, Nejat Ozgul, Tayup Simsek, Hasan Turan, Varol Gülseren, Aykut Ozdemir, Mehmet M Meydanlı, Ali Ayhan,

<h4>Aim</h4>The aim of this study was to investigate the risk factors for recurrence in patients with low-risk endometrial cancer (EC).<h4>Patients and methods</h4>This retrospective study was performed using 10 gynecological oncology department databases. Patients who met the following criteria were included in the study: (a) endometrioid-type histology, (b) histological grade 1 ... Read more >>

Oncol Res Treat (Oncology research and treatment)
[2018, 41(7-8):466-470]

Cited: 5 times

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Comparison of Mayo and Milwaukee Risk Stratification Models for Predicting Lymph Node Metastasis in Endometrial Cancer.

Gokhan Boyraz, Fatma Oz Atalay, Mehmet Coskun Salman, Alp Usubutun, Anil Erturk, Murat Gultekin, Nejat Ozgul, Kunter Yuce,

OBJECTIVE:The aim of this study was to compare Mayo and Milwaukee risk stratification models for predicting lymphatic dissemination in patients with endometrial cancer (EC). METHODS:A total of 904 patients with EC underwent surgical treatment between 2004 and 2016 at Hacettepe University Hospital, and clinicopathological data of patients were retrieved from ... Read more >>

Int J Gynecol Cancer (International journal of gynecological cancer : official journal of the International Gynecological Cancer Society)
[2018, 28(5):869-874]

Cited: 4 times

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Treatment of Rectovaginal Fistula Using Sphincteroplasty and Fistulectomy.

Kemal Beksac, Atakan Tanacan, Nejat Ozgul, Mehmet Sinan Beksac,

Aim:To assess the results of the treatment of rectovaginal fistulas with incontinence and impaired anal tonus. Materials and Methods:This study comprised three rectovaginal fistula groups that were treated using sphincteroplasty and fistulectomy: group 1: eight women with simple rectovaginal fistula due to birth trauma; group 2: six rectovaginal fistula cases ... Read more >>

Obstet Gynecol Int (Obstetrics and gynecology international)
[2018, 2018:5298214]

Cited: 2 times

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Effects of vaginal tampon training added to pelvic floor muscle training in women with stress urinary incontinence: randomized controlled trial.

Ceren Orhan, Türkan Akbayrak, Serap Özgül, Emine Baran, Esra Üzelpasaci, Gülbala Nakip, Nejat Özgül, Mehmet Sinan Beksaç,

INTRODUCTION AND HYPOTHESIS:We evaluated whether vaginal tampon training (VTT) combined with pelvic floor muscle training (PFMT) results in better outcomes than PFMT alone for treating stress urinary incontinence (SUI). METHODS:This was a randomized, controlled study. Patients were allocated to either the combined program, consisting of PFMT and VTT over 12 weeks ... Read more >>

Int Urogynecol J (International urogynecology journal)
[2019, 30(2):219-229]

Cited: 1 time

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Prognostic factors for maximally or optimally cytoreduced stage III nonserous epithelial ovarian carcinoma treated with carboplatin/paclitaxel chemotherapy.

Zeliha F Cuylan, Mehmet M Meydanli, Mustafa E Sari, Ozgur Akbayir, Husnu Celik, Murat Dede, Hanifi Sahin, Kemal Gungorduk, Esra Kuscu, Nejat Ozgul, Tayfun Gungor, Ali Ayhan,

<h4>Objective</h4>To identify factors predictive of poor prognosis in women with stage III nonserous epithelial ovarian cancer (EOC) who had undergone maximal or optimal primary cytoreductive surgery (CRS) followed by six cycles of intravenous carboplatin/paclitaxel chemotherapy.<h4>Methods</h4>A multicenter, retrospective department database review was performed to identify patients with stage III nonserous EOC ... Read more >>

J Obstet Gynaecol Res (The journal of obstetrics and gynaecology research)
[2018, 44(7):1284-1293]

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Oncological Outcomes of Stage II Endometrial Cancer: A Retrospective Analysis of 250 Cases.

Nejat Ozgul, Gokhan Boyraz, Mehmet Coskun Salman, Murat Gultekin, Kunter Yuce, Akbar Ibrahimov, Anil Erturk, Kemal Gungorduk, Varol Gulseren, Muzaffer Sanci, Osman Turkmen, Alper Karalok, Gunsu Kimyon, Taner Turan, Nazli Topfedaisi Ozkan, Mehmet Mutlu Meydanli, Tayfun Gungor, Hulya Ayik, Tayup Simsek,

<h4>Objective</h4>The aim of this study was to investigate the effect of different surgical approaches, adjuvant therapy, and pathological characteristics on oncological outcomes in patients with 2009 International Federation of Gynecology and Obstetrics (FIGO) stage II endometrial cancer (EC).<h4>Methods</h4>A multicenter, retrospective department database review was performed to identify patients with FIGO ... Read more >>

Int J Gynecol Cancer (International journal of gynecological cancer : official journal of the International Gynecological Cancer Society)
[2018, 28(1):161-167]

Cited: 5 times

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The Clinicopathological Study of 21 Cases With Uterine Smooth Muscle Tumors of Uncertain Malignant Potential: Centralized Review Can Purify the Diagnosis.

Derman Basaran, Alp Usubutun, Mehmet Coskun Salman, Mehmet Ali Narin, Gokhan Boyraz, Osman Turkmen, Gunsu Comert Kimyon, Alper Karalok, Dilek Bulbul, Taner Turan, Nejat Ozgul, Kunter Yuce,

OBJECTIVE:The objective of this study was to investigate the clinicopathological features and factors associated with recurrence in patients with uterine smooth muscle tumor of uncertain malignant potential (STUMP). METHODS:Forty-six cases diagnosed between 2000 and 2014 from 2 tertiary centers underwent blind slide review. Initial diagnosis included smooth muscle tumors with ... Read more >>

Int J Gynecol Cancer (International journal of gynecological cancer : official journal of the International Gynecological Cancer Society)
[2018, 28(2):233-240]

Cited: 4 times

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Retroperitoneal nodal metastasis in primary adult type granulosa cell tumor of the ovary: Can routine lymphadenectomy be omitted?

Oguzhan Kuru, Gokhan Boyraz, Hasan Uckan, Anıl Erturk, Murat Gultekin, Nejat Ozgul, Coskun Salman, Kunter Yuce,

To investigate the incidence of retroperitoneal lymph node metastasis among patients with primary adult type granulosa cell tumor (AGCT) of the ovary.Between January 1982 and February 2017, patients with a pathological diagnosis of AGCT were identified. Clinical and pathological data were obtained from database records.A total of 151 patients with ... Read more >>

Eur J Obstet Gynecol Reprod Biol (European journal of obstetrics, gynecology, and reproductive biology)
[2017, 219:70-73]

Cited: 3 times

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