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Malignant ovarian germ cell tumor

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https://www.readbyqxmd.com/read/28372870/analysis-of-outcomes-and-prognostic-factors-after-fertility-sparing-surgery-in-malignant-ovarian-germ-cell-tumors
#1
Jeong-Yeol Park, Dae-Yeon Kim, Dae-Shik Suh, Jong-Hyeok Kim, Yong-Man Kim, Young-Tak Kim, Joo-Hyun Nam
OBJECTIVE: To evaluate the oncologic and reproductive outcomes and to analyze prognostic factors after fertility-sparing surgery in patients with early and advanced malignant ovarian germ cell tumors (MOGCTs). METHODS: This study included 171 patients who underwent fertility-sparing surgery. Data were gathered from patients' medical records. Survival analysis was performed using the log-rank test and Cox's proportional hazards model. Reproductive outcomes were analyzed...
March 31, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28304416/gynecologic-malignancies-in-pregnancy-balancing-fetal-risks-with-oncologic-safety
#2
REVIEW
Christina N Cordeiro, Mary L Gemignani
Importance: Cancer occurs in 0.05% to 0.1% of all pregnancies. Despite literature reporting good oncologic and fetal outcomes in women treated for cancer during pregnancy, as many as 44% of gynecologists would offer termination, and 37% would not administer chemotherapy or radiotherapy in pregnancy. Objectives: The aims of this study were to summarize current recommendations for the treatment of cervical and ovarian cancers in pregnancy and to review updates on existing knowledge regarding the safety of surgical and chemotherapeutic treatments in pregnancy, including both oncologic and fetal outcomes...
March 2017: Obstetrical & Gynecological Survey
https://www.readbyqxmd.com/read/28292998/-clinical-study-to-determine-the-dose-intensity-of-bep-chemotherapy-for-ovarian-malignant-germ-cell-tumors
#3
Shinya Kusumoto, Hiroyuki Naito, Kunitomo Imazu, Itsuka Kai, Aki Hamasaki, Yoshie Kazusa, Yumiko Nakashima, Miho Kodama, Masatoshi Kumagai, Katsunori Ueda
A standard regimen for ovarian malignant germ cell tumors is bleomycin, etoposide, cisplatin(BEP)chemotherapy. Adherence to a treatment schedule of every 21 days has been reported to be important. However, the incidence of febrile neutropenia( FN)and the optimaluse of granulocyte-colony stimulating factor(G-CSF)are unclear because of the low incidence of ovarian malignant germ cell tumors. We experienced 2 cases of ovarian malignant germ cell tumors that received BEP therapy after fertility-conserving surgery...
March 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28249923/morphoproteomics-identifies-the-ezh2-and-sirt1-pathways-as-potential-blocks-to-differentiation-in-yolk-sac-tumor-of-the-ovary-and-provides-therapeutic-options-a-case-study
#4
Yumi A Kojima, Binara Assylbekova, Bihong Zhao, Elizabeth Nugent, Robert E Brown
Yolk sac tumor of the ovary is a rare but highly malignant and aggressive germ cell tumor. The objective of this case study of an ovarian yolk sac tumor was to identify putative pathways that are known to pose a block in differentiation, both in early embryogenesis and in tumorigenesis, that might be amenable to low toxicity therapies designed to promote differentiation to a more benign state and prevent recurrent disease in such tumors. The enhancer of Zeste homolog 2 (EZH2), a histone methyl transferase, and silent mating type information regulation 2 homolog 1 (SIRT1), a NAD+ histone deacetylase, are two such pathways...
January 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/28240974/reduced-and-compressed-cisplatin-based-chemotherapy-in-children-and-adolescents-with-intermediate-risk-extracranial-malignant-germ-cell-tumors-a-report-from-the-children-s-oncology-group
#5
Furqan Shaikh, John W Cullen, Thomas A Olson, Farzana Pashankar, Marcio H Malogolowkin, James F Amatruda, Doojduen Villaluna, Mark Krailo, Deborah F Billmire, Frederick J Rescorla, Rachel A Egler, Bryan J Dicken, Jonathan H Ross, Marc Schlatter, Carlos Rodriguez-Galindo, A Lindsay Frazier
Purpose To investigate whether event-free survival (EFS) can be maintained among children and adolescents with intermediate-risk (IR) malignant germ cell tumors (MGCT) if the administration of cisplatin, etoposide, and bleomycin (PEb) is reduced from four to three cycles and compressed from 5 to 3 days per cycle. Patients and Methods In a phase 3, single-arm trial, patients with IR MGCT (stage II-IV testicular, II-III ovarian, I-II extragonadal, or stage I gonadal tumors with subsequent recurrence) received three cycles of PEb...
April 10, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28202195/long-term-ototoxicity-in-women-after-cisplatin-treatment-for-ovarian-germ-cell-cancer
#6
Jakob Skalleberg, Olesya Solheim, Sophie D Fosså, Milada Cvancarova Småstuen, Terje Osnes, Per Ole M Gundersen, Marie Bunne
OBJECTIVE: Evaluate long-term cisplatin-induced ototoxicity in women treated for malignant ovarian germ cell tumors (MOGCT). METHODS: Seventy-four women treated for MOGCT in Norway (1980-2009) were analyzed: 41 had received cisplatin-based chemotherapy (CBCT) ("Cases") and 33 had no CBCT ("Controls"). Median follow-up was 15years. Hearing was assessed by pure tone audiometry and by the SCIN questionnaire. Air conduction thresholds were reported as absolute hearing thresholds and age-adjusted thresholds...
April 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28166073/ovarian-tumors-pattern-of-histomorphological-types-a-10-years-study-in-a-tertiary-referral-center-and-review-of-literature
#7
A Ghosh, D Ghartimagar, S Thapa, B Sathian, R Narasimhan, O P Talwar
Background Ovarian cancer accounts for 6% of all cancers in females. Among cancers of female genital tract, the incidence of ovarian cancers ranks below only carcinoma of the cervix and the endometrium. Objective To find the frequency of different types of histomorphological types and their association with age, side and size distribution. Method This study is a hospital based retrospective study carried out in the Department of Pathology, Manipal Teaching Hospital over a time period from Jan. 2006 to Sep. 2015...
April 2016: Kathmandu University Medical Journal (KUMJ)
https://www.readbyqxmd.com/read/28079292/germ-cell-tumors-insights-from-the-drosophila-ovary-and-the-mouse-testis
#8
REVIEW
Helen K Salz, Emily P Dawson, Jason D Heaney
Ovarian and testicular germ cell tumors of young adults are thought to arise from defects in germ cell development, but the molecular mechanisms underlying malignant transformation are poorly understood. In this review, we focus on the biology of germ cell tumor formation in the Drosophila ovary and the mouse testis, for which evidence supports common underlying mechanisms, such as blocking initiation into the differentiation pathway, impaired lineage progression, and sexual identity instability. We then discuss how these concepts inform our understanding of the disease in humans...
March 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/28071630/ovarian-tumors-in-children-10-year-experience-from-a-tertiary-care-center-in-south-india
#9
B Rajeswari, M Nair, A Ninan, K Parukuttyamma
BACKGROUND: Ovarian tumors are uncommon in childhood and constitute around 1% of childhood malignancies. Two thirds of pediatric ovarian tumors are germ cell tumors. Epithelial ovarian tumors and stromal tumors are less frequent. We share our experience in childhood ovarian cancers, analyzing a series of cases with respect to the clinical profile, treatment and survival. METHODS: All newly diagnosed ovarian tumors in children up to 14 years of age, registered in our Pediatric Oncology Division between January 2000 and December 2009 were retrospectively reviewed...
April 2016: Indian Journal of Cancer
https://www.readbyqxmd.com/read/28066838/neuroendocrine-carcinoma-of-the-ovotestis-a-case-report-and-review-of-literatures
#10
Tahereh Ashrafganjoei, Ainaz Sourati, Mahdiss Mohamadianamiri
BACKGROUND: Neuroendocine carcinoma of the gynecologic tract is rare and poses a significant clinical challenge because of tumor heterogeneity and lack of standardized guidelines for treatment. Ovotestis refers to the histology of a gonad that contains both ovarian follicles and testicular tubular elements. Ovotesticular disorder of sexual development occurs in fewer than 10% of all disorders of sexual development. Gonadal tumors with malignant potential occur in 2.6% of all cases of ovotesticular disorder of sexual development...
December 2016: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/28050596/an-ovarian-mature-cystic-teratoma-evolving-in-squamous-cell-carcinoma-a-case-report-and-review-of-the-literature
#11
REVIEW
C Goudeli, A Varytimiadi, N Koufopoulos, J Syrios, E Terzakis
Mature cystic teratomas (MCT), also known as dermoid cysts, are the most common ovarian germ cell tumors and the most common ovarian neoplasms in patients younger than 20 years. Malignant transformation (MT) is a rare complication of MCTs which may occur in 1-2% of the cases. Squamous cell carcinoma (SCC) is the most frequent histology arising from MCTs and its appearance depends on diverse risk factors such as patient's age, the size of the tumor and levels of serum tumor markers. Diagnosis and treatment constitute a big challenge due to the rarity and the aggressive course of this entity...
February 2017: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/27818263/brief-report-a-second-primary-endodermal-sinus-tumor-9%C3%A2-years-after-initial-diagnosis
#12
Lea A Moukarzel, Kimberly Levinson, Francis C Grumbine
BACKGROUND: Ovarian yolk sac tumors (YSTs) are rare malignant germ cell tumors known to present unilaterally, allowing for fertility-sparing surgical treatment with adjuvant chemotherapy. The few published cases of bilateral ovarian involvement were at the time of original diagnosis in patients with widely metastatic disease. We present, to our knowledge, the first case of bilateral ovarian YSTs, diagnosed several years apart, and discuss the implications on recurrence and tumor marker surveillance for these tumors...
November 4, 2016: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/27803008/the-role-of-staging-and-adjuvant-chemotherapy-in-stage-i-malignant-ovarian-germ-cell-tumors-mogts-the-mito-9-study
#13
G Mangili, C Sigismondi, D Lorusso, G Cormio, M Candiani, G Scarfone, F Mascilini, A Gadducci, A M Mosconi, P Scollo, C Cassani, S Pignata, G Ferrandina
Background: Surgery followed by platinum-based chemotherapy is the standard of care for MOGCTs, except for stage IA dysgerminoma and stage IA grade 1 immature teratoma where surveillance only is recommended. The role of adjuvant chemotherapy and surgical staging is debated. Patients and methods: Data from 144 patients with stage I MOGTs were collected among MITO centers (Multicenter Italian Trials in Ovarian Cancer) and analyzed. Results: Fifty-five (38...
February 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/27785897/complete-response-to-paclitaxel-ifosfamide-and-cisplatin-therapy-in-a-case-of-ovarian-ependymoma
#14
Makiko Hino, Yusuke Kobayashi, Michiko Wada, Yoshihisa Hattori, Takashi Kurahasi, Hiroyuki Nakagawa
There are many reports on paclitaxel, ifosfamide, and cisplatin (TIP) therapy, following standard bleomycin, etoposide, and cisplatin (BEP) therapy, for salvage treatment of testicular malignant germ cell tumors, but there are no reports on its use for ovarian malignant tumors. We report here that a patient with primary ependymoma of the ovary, who was resistant to BEP therapy, achieved a complete response to a combined therapy, including TIP therapy as the second-line chemotherapy and surgery. This important case, combined with published studies, suggests that TIP therapy is effective for both testicular and ovarian malignant tumors and indicates that TIP therapy can be used as an effective second-line therapy for malignant tumors resistant to BEP therapy...
November 2016: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/27781377/a-variant-c-kit-mutation-d816h-fundamental-to-the-sequential-development-of-an-ovarian-mixed-germ-cell-tumor-and-systemic-mastocytosis-with-chronic-myelomonocytic-leukemia
#15
Sarah G Mitchell, Silvia T Bunting, Debra Saxe, Thomas Olson, Frank G Keller
An activating point mutation of the c-KIT tyrosine kinase receptor gene, D816H, has been described in germ cell tumors (GCTs). We report an adolescent diagnosed with an ovarian mixed GCT and systemic mastocytosis with chronic myelomonocytic leukemia (SM-CMML). The teratoma and dysgerminoma differed by copy number aberrations via single nucleotide polymorphism (SNP) microarray, but were inclusive of the same c-KIT D816H point mutation (c.2446G>C) also identified in blood and bone marrow mast cells. These findings indicate not only a clonal origin of the GCT and hematologic malignancy, but also suggest a rare KIT mutation may be playing a fundamental role in malignancy development...
October 26, 2016: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/27757372/ovarian-mature-cystic-teratoma-with-fistula-formation-into-the-rectum-a-case-report
#16
Yuichiro Kizaki, Tomonori Nagai, Ken Ohara, Yosuke Gomi, Taichi Akahori, Yoshihisa Ono, Shigetaka Matsunaga, Yasushi Takai, Masahiro Saito, Kazunori Baba, Hiroyuki Seki
BACKGROUND: While ovarian mature cystic teratomas are benign ovarian germ-cell tumors and the most common type of all ovarian tumors, the formation of fistulas into surrounding organs such as the bladder and the intestinal tract is extremely rare. This report documents a case of ovarian mature cystic teratoma with a rectal fistula, thought to be caused by local inflammation. CASE DESCRIPTION: A pelvic mass was diagnosed as an ovarian mature cystic teratoma of approximately 10 cm in diameter on transvaginal ultrasound and magnetic resonance examinations...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27704516/prognostic-factors-in-children-with-extracranial-malignant-germ-cell-tumors-a-monocentric-pediatric-tunisian-study
#17
Faten Fedhila, Samar Rhayem, Habiba Hafsi, Wiem Douira, Raoudha Doghri, Monia Khemiri, Karima Mrad, Ibtissem Bellagha, Bechir Zouari, Sihem Barsaoui
Background Extracranial Germ cell tumors (GCT) are a rare and a heterogeneous group of pediatric cancers but highly curable. Aim We aimed to review management, outcome and prognostic factors that influence overall survival (OS) in a pediatric Tunisian oncologic unit. Methods We retrospectively evaluated between January 1998 and December 2012, 33 patients affected by extracranial germ cell tumors and treated according to TGM95 protocol established by the SFOPin a pediatric Tunisian oncologic unit. Results Patients had a mean age of 57 months (ranges: 1 day-13 years)...
April 2016: La Tunisie Médicale
https://www.readbyqxmd.com/read/27595361/germ-cell-tumors-in-adolescents-and-young-adults
#18
Gabriele Calaminus, Jonathan Joffe
Germ cell tumors (GCTs) represent a group of biologically complex malignancies that affect patients at different sites within the body and at different ages. The varying nature of these tumors reflects their cell of origin which is the primordial germ cell, which normally gives rise to ovarian and testicular egg and sperm producing cells. These cells retain an ability to give rise to all types of human tissues, and this is illustrated by the different kinds of GCTs that occur. In adolescent and young adult (AYA) patients, GCTs predominantly present as testicular, ovarian or mediastinal primary GCTs, and represent some of the most complex therapeutic challenges within any AYA practice...
2016: Progress in Tumor Research
https://www.readbyqxmd.com/read/27587625/ovarian-cancer-version-1-2016-nccn-clinical-practice-guidelines-in-oncology
#19
Robert J Morgan, Deborah K Armstrong, Ronald D Alvarez, Jamie N Bakkum-Gamez, Kian Behbakht, Lee-May Chen, Larry Copeland, Marta Ann Crispens, Maria DeRosa, Oliver Dorigo, David M Gershenson, Heidi J Gray, Ardeshir Hakam, Laura J Havrilesky, Carolyn Johnston, Shashikant Lele, Lainie Martin, Ursula A Matulonis, David M O'Malley, Richard T Penson, Sanja Percac-Lima, Mario Pineda, Steven C Plaxe, Matthew A Powell, Elena Ratner, Steven W Remmenga, Peter G Rose, Paul Sabbatini, Joseph T Santoso, Theresa L Werner, Jennifer Burns, Miranda Hughes
This selection from the NCCN Guidelines for Ovarian Cancer focuses on the less common ovarian histopathologies (LCOHs), because new algorithms were added for LCOHs and current algorithms were revised for the 2016 update. The new LCOHs algorithms include clear cell carcinomas, mucinous carcinomas, and grade 1 (low-grade) serous carcinomas/endometrioid epithelial carcinomas. The LCOHs also include carcinosarcomas (malignant mixed Müllerian tumors of the ovary), borderline epithelial tumors (also known as low malignant potential tumors), malignant sex cord-stromal tumors, and malignant germ cell tumors...
September 2016: Journal of the National Comprehensive Cancer Network: JNCCN
https://www.readbyqxmd.com/read/27569583/conundrums-in-the-management-of-malignant-ovarian-germ-cell-tumors-toward-lessening-acute-morbidity-and-late-effects-of-treatment
#20
REVIEW
David M Gershenson, A Lindsay Frazier
One of the most extraordinary stories in the chronicles of gynecologic cancers has been that of malignant ovarian germ cell tumors. Prior to the mid-1960s, most patients died of disease. Fifty years later, most survive. Precisely because high cure rates are achievable, the concentration over the past decade has been on minimizing toxicity and late effects. The present review focuses on five areas of interest related to the management of malignant ovarian germ cell tumors that highlight the different therapeutic strategies practiced by pediatric and gynecologic oncologists: 1) primary surgery, 2) surgery alone (surveillance) for patients with FIGO stage IA disease, 3) postoperative management of FIGO stage IC-III disease, 4) postoperative management of pure immature teratoma, and 5) postoperative management of metastatic pure dysgerminoma...
November 2016: Gynecologic Oncology
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