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ovarian teratoma

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https://www.readbyqxmd.com/read/29349725/ki67-proliferative-index-in-carcinoid-tumors-involving-ovary
#1
Xiaotun Zhang, Andrea Jones, Sarah M Jenkins, Yajue Huang
Primary ovarian carcinoid tumors are rare neoplasms that constitute less than 0.1% of all ovarian carcinomas. However, carcinoid tumors metastatic to ovaries are more common. Cell proliferative rate is an important factor in the determination of neuroendocrine tumor prognosis. Limited data are available as regards Ki67 proliferation index in predicting the physiological features of carcinoid tumors involving the ovary. Pathology files of Mayo Clinic Rochester (1995-2014) were searched, and clinical information was collected from medical records...
January 18, 2018: Endocrine Pathology
https://www.readbyqxmd.com/read/29331749/paediatric-dysgerminoma-results-of-three-consecutive-french-germ-cell-tumours-clinical-studies-tgm-85-90-95-with-late-effects-study
#2
Gwénaëlle Duhil de Bénazé, Hélène Pacquement, Cécile Faure-Conter, Catherine Patte, Daniel Orbach, Nadège Corradini, Claire Berger, Hélène Sudour-Bonnange, Cécile Vérité, Hélène Martelli, Brice Fresneau
METHODS: French patients (≤18years) treated for dysgerminoma between 1985 and 2005 in TGM-85, 90, 95 protocols were included. Treatment was based on primary unilateral oophorectomy followed by prophylactic lymph node irradiation (1985-1998) or a wait-and-see strategy (1998-2005) for localised completely resected tumours (pS1) or by platinum-based chemotherapy for advanced diseases. RESULTS: Forty-eight patients (median age 12.8 years) were included. Six patients had gonadal dysgenesis...
January 10, 2018: European Journal of Cancer
https://www.readbyqxmd.com/read/29318892/transplantation-of-cryopreserved-ovarian-tissue-in-a-patient-affected-by-metastatic-struma-ovarii-and-endometriosis
#3
Raffaella Fabbri, Rossella Vicenti, Roberto Paradisi, Stefania Rossi, Lucia De Meis, Renato Seracchioli, Maria Macciocca
In this case report, the outcomes of cryopreserved ovarian tissue transplantation performed in a patient affected by struma-ovarii associated with mature cystic teratoma, recurrent endometriotic cysts and diffuse peritoneal malignant struma-ovarii implants were described. Before cryopreservation, the patient underwent two left ovarian surgeries for enucleation cysts 8 years after righ salpingo-oophorectomy for struma-ovarii. Ovarian biopsy was collected in another hospital and transported to our laboratory for cryopreservation...
January 10, 2018: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29310908/an-infant-born-to-a-mother-with-anti-n-methyl-d-aspartate-receptor-encephalitis
#4
Nitish Chourasia, Michael W Watkins, Jeremy E Lankford, Joseph S Kass, Ankur Kamdar
BACKGROUND: Anti-N-Methyl-D-Aspartate receptor (NMDAR) encephalitis is an autoimmune disorder that often affects women of childbearing age, and maternal-fetal transfer of anti-NMDAR antibodies during pregnancy has been documented in both symptomatic and asymptomatic women. The effects of these antibodies on the fetus, however, are incompletely understood. PATIENT DESCRIPTION: This term infant exhibited depressed respiratory effort, poor feeding, and abnormal movements after birth...
November 22, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/29307128/immature-ovarian-teratoma-in-two-heifers
#5
Augusto Carluccio, Maria Teresa Zedda, Alberto Contri, Alessia Gloria, Domenico Robbe, Ippolito De Amicis, Salvatore Pau
A 15 months-old Simmental heifer (SH) and a 18 months-old Marchigiana heifer (MH) were referred to the Faculty of Veterinary Medicine of Teramo (Italy). In the rst heifer, clinical examination of the vulva, vestibulum, and vagina showed no signs of disease and no discharge was detected. Palpation per rectum revealed a mass in the left portion of the abdominal cavity, closely attached to the tip of the left uterine horn. The mass was mainly rm and brous and its surface was slightly lobulated. The second heifer had a history of a regular cycle from the 11th to the 14th month of age followed by an anoestrus state...
December 29, 2017: Veterinaria Italiana
https://www.readbyqxmd.com/read/29278520/malignant-struma-ovarii-harboring-a-unique-nras-mutation-case-report-and-review-of-the-literature
#6
Carlo Gobitti, Alessandro Sindoni, Chiara Bampo, Tanja Baresic, Giorgio Giorda, Lara Alessandrini, Vincenzo Canzonieri, Giovanni Franchin, Eugenio Borsatti
Struma ovarii (SO), a rare tumor containing at least 50% of thyroid tissue, represents approximately 5% of all ovarian teratomas; its malignant transformation rate is reported to occur in up to 10% of cases and metastases occur in about 5-6% of them. We describe a 36-year old woman who underwent laparoscopic left annessectomy two years earlier because of an ovarian cyst. Follow-up imaging revealed a right adnexal mass, ascitis and peritoneal nodes that were diagnosed as comprising a malignant SO with peritoneal secondary localizations at histopathology performed after intervention...
July 2017: Hormones: International Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29250686/ovarian-strumal-carcinoid-case-report
#7
Delia Gabriela Ciobanu Apostol, Tudor Andrei BuŢureanu, Demetra Gabriela Socolov, Daniela Claudia Scripcaru, Oana LuminiŢa Rosin, Ludmila Lozneanu
Strumal carcinoid represents a rare form of ovarian teratoma, consisting of both thyroid tissue and carcinoid structures. The carcinoid component is a well-differentiated neuroendocrine tumor with excellent prognosis. Strumal carcinoid tumors are commonly found in peri-menopausal women who are not usually interested in preserving their fertility and who are thus open to radical surgical treatment. In this report, we present a 24-year-old, nulliparous patient with strumal carcinoid, confirmed by histopathology and a large panel of immunohistochemistry (IHC) markers, who wished to preserve her fertility...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/29245365/teratoma-associated-anti-nmdar-encephalitis-two-cases-report-and-literature-review
#8
Zhigang Liang, Shaowan Yang, Xuwen Sun, Bing Li, Wei Li, Zhuli Liu, Guoping Yu
OBJECTIVE: This study aimed to discuss the pathogenesis, clinical manifestation, diagnosis, and treatment of anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis. CASE REPORT: The diagnosis and treatment of 2 cases with teratoma-associated anti-NMDAR encephalitis were summarized and the clinical data of patients reported by domestic and international studies were reviewed in this study. The 2 cases were both adolescent females who showed mental abnormalities as their main clinical manifestation...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29227858/bilateral-ovarian-angiosarcoma-arising-from-the-mature-cystic-teratomas-a-case-report-and-review-of-the-literature
#9
Erik Kudela, Marcela Nachajova, Kamil Biringer, Pavol Slavik, Lukas Plank, Jan Danko
INTRODUCTION: Ovarian teratomas undergo the malignant transformation in 0.2-2% of cases. The behavior of malignancies in mature cystic teratomas (MCT) is determined by their phenotype and not their derivation from germ cells. We can recognize pure angiosarcomas or as a part of other tumors like malignant mixed Mullerian tumors and adenosarcomas. PRESENTATION OF CASE: We present the first case of bilateral ovarian angiosarcoma arising from the mature teratomas. Due to widespread disease, we performed limited surgical procedure consisting of bilateral adnexectomy and omentectomy...
December 7, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29223697/a-case-of-unilateral-endometriosis-coexisting-with-struma-ovarii-in-bilateral-ovarian-teratoma
#10
Ji Young Hwang, Min Hee Lee, Jin Hee Lee, Dong Hoon Kim, Seung Hun Song
No abstract text is available yet for this article.
December 6, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29194189/ovarian-yolk-sac-tumors-does-age-matter
#11
Cecile Faure Conter, Caihong Xia, David Gershenson, Jean Hurteau, Al Covens, Farzana Pashankar, Mark Krailo, Deborah Billmire, Catherine Patte, Brice Fresneau, Furqan Shaikh, Sara Stoneham, James Nicholson, Matthew Murray, Anne Lindsay Frazier
BACKGROUND: Whereas among pediatric oncologists, ovarian yolk sac tumor (O-YST) is considered a chemosensitive tumor, it is often cited as an adverse prognostic factor in adult women with ovarian germ cell tumors. METHODS: The Malignant Germ Cell International Consortium data set included 6 pediatric clinical trials (United States, United Kingdom, and France) and 2 adult gynecology clinical trials (United States). Any patient with an O-YST that was International Federation of Gynecology and Obstetrics stage IC or higher and treated with a platinum-based chemotherapy was eligible...
November 30, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/29187932/-immature-teratoma-of-the-ovary-about-a-case
#12
Wail Bouzoubaa, Sofia Jayi, Fatima Zohra Fdili Alaoui, Hikmat Chaara, Moulay Abdelilah Melhouf
Ovarian teratomas are tumors resulting from pluripotent germ cells. We here describe 3 different types of teratomas: mature, immature and monodermal teratomas. Immature teratoma accounts for less than 1% of ovarian cancers and mainly affects young subjects. We report the case of a 25 year female patient, admitted with abdomino pelvic mass. She underwent ultrasound and a pelvic CT scan followed by conservative treatment based on left annexectomy associated with multiple biopsies. Anatomopathological examination showed immature ovarian teratoma...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/29187222/unusual-presentation-of-plasmablastic-lymphoma-involving-ovarian-mature-cystic-teratoma-a-case-report
#13
Ita Hadžisejdić, Emina Babarović, Luka Vranić, Antica Duletić Načinović, Ksenija Lučin, Maja Krašević, Nives Jonjić
BACKGROUND: Plasmablastic lymphoma (PBL) is relatively new clinical entity described as a distinct subtype of diffuse large B-cell lymphoma (DLBCL). It is characterized by its aggressive nature and proliferation of large neoplastic cells resembling immunoblasts including cells with more obvious plasmacytic differentiation. In this case report, we describe an unexpected finding of PBL associated with a mature cystic teratoma of the ovary in a young immune competent woman. CASE PRESENTATION: A 19-year old woman was admitted to the hospital with generalized lymphadenopathy, a pelvic tumor mass measuring 35 × 30 cm and a 4 cm lump in her right breast...
November 29, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/29183618/encephalitis-associated-with-antibodies-against-the-nmda-receptor
#14
REVIEW
Mar Guasp, Josep Dalmau
The encephalitis associated with antibodies against the N-methyl-D-aspartate receptor (NMDAR) is characterized by the presence of antibodies against the GluN1 subunit of this receptor, resulting in symptoms that are similar to those observed in models of genetic or pharmacologic reduction of NMDARs. Patients are usually young adults, predominantly women, and children who develop, in a sequential manner, rapidly progressive symptoms including psychosis, abnormal movements, autonomic dysfunction, and coma. Epileptic seizures are variable and can occur throughout the course of the disease...
November 25, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/29169834/-an-ovarian-tumor-can-hide-another-one
#15
Nicolas Brandone, Ilona Okhremchuk, Marie-Christine Rojat-Habib, Anne-Laroque Blanc, Wassim Essamet, Aubert Agostini, Nicolas Macagno
We report the case of a 33-year-old woman who went under surgery for a cystic mature teratoma. The histological exam found two cysts, one was a mature teratoma and the other was a struma ovarii with a papillary carcinomatous element. Struma ovarii cancerization is seen in 5 to 10% of the cases usually under a papillary carcinoma type. Diagnosis is rarely made before surgery, the patients exceptionally show thyroid symptoms. Histologically, the tumour presents the same way as the one seen in the thyroid gland and BRAF mutations have been reported...
November 20, 2017: Annales de Pathologie
https://www.readbyqxmd.com/read/29168372/tuba-ovarian-auto-amputation-caused-by-ovarian-teratoma-in-an-adolescent-girl
#16
Ahmet Atıcı, Engin Yılmaz, Ayşe Karaman, Sema Apaydın, Çağatay Evrim Afşarlar
Atıcı A, Yılmaz E, Karaman A, Apaydın S, Afşarlar ÇE. Tuba-ovarian auto-amputation caused by ovarian teratoma in an adolescent girl. Turk J Pediatr 2017; 59: 90-92. Ovarian auto-amputation is an extremely rare condition commonly encountered in the perinatal period. Spontaneous or secondary torsion of the ovary caused by an ovarian lesion may result in infarction and subsequent auto-amputation of the ovary. This paper demonstrates a case that underwent laparoscopic appendectomy with an incidental calcified auto-amputated right ovary...
2017: Turkish Journal of Pediatrics
https://www.readbyqxmd.com/read/29140879/metastatic-endocervical-adenocarcinoma-in-a-mature-cystic-teratoma-a-case-of-a-tumor-to-tumor-metastasis
#17
Filipa Santos, Catarina Oliveira, João P Caldeira, Ana Coelho, Ana Félix
Tumor-to-tumor metastasis is a rare phenomenon defined as a to metastasis in a histologically distinct tumor. We report an unusual case of a 51-yr-old woman who presented with a cervical, bleeding lesion diagnosed as a poorly differentiated adenocarcinoma, HPV18+. Imaging studies revealed an unresectable cervical carcinoma with an associated left ovarian multicystic teratoma. A suspicious solid nodule within the teratoma was also reported. Bilateral salpingo-oophorectomy was performed before the cervical tumor was treated...
November 14, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29136085/tgf-beta1-from-endometriomas-promotes-fibrosis-in-surrounding-ovarian-tissues-via-smad2-3-signaling
#18
Li Bing Shi, Feng Zhou, Hai Yan Zhu, Dong Huang, Xiao Ying Jin, Chao Li, Yongdong Dai, Yi Bin Pan, Song Ying Zhang
To elucidate whether the endometriotic cells of endometriomas synthesize transforming growth factor beta1 (TGF-beta1) and understand how it affects surrounding ovarian tissue. We collected biopsies of the cystic walls from 42 endometriomas and 29 mature teratomas and compared mRNA and protein expression of fibrosis-related factors between the cystic walls. Then we detected TGFB1 mRNA synthesis in endometriomas, and tested TGF-beta1 fibrotic effect in vitro. Moreover, we verified the expression of Smad2/3 Signaling components in the endometriotic cystic wall in order to understand whether TGF-beta1/Smad signaling is involved in fibrosis formation of the tissue surrounding endometriomas...
November 10, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/29128985/resection-of-melanocytic-nevi-as-a-potential-treatment-of-anti-nmdar-encephalitis-patients-without-tumor-report-of-three-cases
#19
Hexiang Yin, Chenyu Zhu, Haitao Ren, Xunzhe Yang, Bin Peng, Liying Cui, Tao Qu, Hongzhi Guan
The most common underlying tumor associated with anti-N-methyl D-aspartate-receptor (NMDAR) encephalitis is ovarian teratoma. Resection of the underlying tumor may decrease exposure of autoantigen and make for faster response of immunotherapy and less relapse frequency. Similar to teratoma, expression of NMDAR in human epidermal melanocytes was suspected recently. The dense melanocytes in melanocytic nevus may serve as potential autoantigens and are prone to increase relapse frequency in the tumor-negative patients...
November 11, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/29112653/long-term-results-for-expectant-management-of-ultrasonographically-diagnosed-benign-ovarian-teratomas
#20
M Angela Pascual, Betlem Graupera, Cristina Pedrero, Ignacio Rodriguez, Silvia Ajossa, Stefano Guerriero, Juan Luis Alcázar
OBJECTIVE: To assess the natural history of ultrasonographically diagnosed benign ovarian teratomas in asymptomatic women. METHODS: We conducted a retrospective observational cohort study of 408 women (mean age 36.6 years, range 14-81 years) diagnosed as having an ovarian teratoma by transvaginal ultrasonography (except eight who only had a transabdominal study done) between January 2003 and December 2013 at a single tertiary care institution. Six hundred thirteen women were diagnosed with ovarian teratoma of whom 205 were promptly treated surgically, leaving 408 patients followed conservatively with follow-up scans at 3 and 6 months from diagnosis and then yearly...
December 2017: Obstetrics and Gynecology
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