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ovary teratoma

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https://www.readbyqxmd.com/read/28523263/a-rare-case-of-an-autoamputated-ovary-with-mature-cystic-teratoma
#1
Hwi Gon Kim, Yong Jung Song, Yong Jin Na, Juseok Yang, Ook Hwan Choi
Autoamputated ovary with mature cystic teratoma (MCT) is a rarely reported gynecologic entity with an unknown prevalence. A 34-year-old woman referred to our clinic for presumed left ovarian tumor. Pelvic examination, ultrasonography and computed tomography scan revealed a 5-cm, cystic ovarian mass with calcification and fat component, and tumor markers were as follows, cancer antigen (CA) 125; 10.4 U/mL, CA19-9; 2 U/mL. Laparoscopy was performed. The mass was identified in the left adnexal region without any ligamentous or direct connection with the pelvic organs...
April 2017: Journal of Menopausal Medicine
https://www.readbyqxmd.com/read/28485364/a-review-of-squamous-cell-carcinoma-arising-in-mature-cystic-teratoma-of-the-ovary
#2
N Abhilasha, U D Bafna, V R Pallavi, P S Rathod, S Krishnappa
INTRODUCTION: Germ cell tumors account for 20-25% of ovarian neoplasms. Mature cystic teratoma (MCT) is the most common ovarian germ cell tumor. Malignancy in MCT is seen in 1-2% of the cases. Squamous cell carcinoma (SCC) accounts for 80% of the cases and carries a poor prognosis. AIM: To study the clinicopathological factors, management protocols and its outcome. MATERIALS AND METHODS: Case records reviewed from August 2006 to August 2011 at our institute identified 10 women with SCC in ovarian MCT...
October 2016: Indian Journal of Cancer
https://www.readbyqxmd.com/read/28480536/spectrums-and-outcomes-of-adnexal-torsion-at-different-ages
#3
Jie-Ling Feng, Ting Lei, Hong-Ning Xie, Li-Juan Li, Liu Du
OBJECTIVES: To investigate the role of ultrasound in the preoperative diagnosis of adnexal torsion and describe its histological spectrum and outcomes at different ages. METHODS: This study comprised a retrospective investigation of a data set that included 195 female patients with clinically suspected adnexal torsion between January 2010 and July 2015. Each patient received a detailed pelvic ultrasound examination by an experienced ultrasound examiner, and a definitive diagnosis was achieved via surgery...
May 8, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28415994/a-pathological-and-clinical-study-of-706-primary-tumours-of-the-ovary-in-the-largest-tertiary-hospital-in-ghana
#4
Patrick Kafui Akakpo, Leonard Derkyi-Kwarteng, Richard Kwasi Gyasi, Solomom Edward Quayson, Simon Naporo, Jehoram Tei Anim
BACKGROUND: Ovarian tumours are a leading cause of death in Ghana. Even though geographical and racial differences exist in the frequency, types and age distribution of primary ovarian tumours, information about the clinical and pathological characteristics of ovarian tumours in Ghana and its neighboring countries is scanty. We determined the frequency, age distribution, histopathological types and clinical features of primary ovarian tumours diagnosed at the Korle-Bu Teaching Hospital in Ghana to aid in the management of patients...
April 17, 2017: BMC Women's Health
https://www.readbyqxmd.com/read/28415950/ovarian-cystectomy-in-the-treatment-of-apparent-early-stage-immature-teratoma
#5
Ting Zhao, Yan Liu, Xiao Wang, Hao Zhang, Yuan Lu
Objective To investigate the role of ovarian cystectomy in patients with early-stage immature teratoma. Methods A retrospective review was undertaken on patients diagnosed pathologically with immature teratoma and with malignant lesions confined to the ovary. Patients were included if they had been treated between January 1997 and December 2015 at the Obstetrics and Gynaecology Hospital of Fudan University, Shanghai, China. Relevant demographic and clinical data were retrieved from the medical records. Results Forty-three patients were included in the study; 14 underwent ovarian cystectomy (group 1) and 29 underwent unilateral salpingo-oophorectomy (USO; group 2)...
April 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28397201/analysis-of-the-factors-determining-the-type-of-surgical-procedure-in-mature-cystic-teratomas
#6
Alev Özer, Hakan Kıran
OBJECTIVES: It was aimed to evaluate which factors determine the surgical procedure selected by surgeons for cases with mature cystic teratoma (MCT). MATERIAL AND METHODS: This study included 50 cases with histopathologically proven MCT between January 2011 and August 2016 at a tertiary reference hospital. Data related to demographic and clinical characteristics were retrieved from medical records. Multivariate logistic regression analysis was conducted to evaluate the independent factors determining the type of surgical procedure to be applied...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28396218/analysis-of-clinical-and-ultrasound-determinants-of-adnexal-torsion-in-children-and-adolescents
#7
Rebecca Jourjon, Baptiste Morel, Sabine Irtan, Etienne Audureau, Aurore Coulomb-L'Herminé, Michèle Larroquet, Hubert Ducou le Pointe, Eléonore Blondiaux
STUDY OBJECTIVE: We aimed to assess the performance of transabdominal ultrasonography (US) for diagnosis of adnexal torsion (AT) in girls and adolescents and evaluate its clinical and US determinants. STUDY DESIGN, PARTICIPANTS, INTERVENTIONS AND OUTCOME MEASURES: We retrospectively (2004 to 2014) studied data for girls referred for acute or sub-acute pelvic pain who underwent US and included girls 3 months to 18 years old who underwent surgical exploration and/or clinical and radiological follow-up for at least 3 months...
April 7, 2017: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/28394114/ovarian-teratoma-in-routine-biopsy-material-during-a-five-year-period
#8
Marina Kos, Jasmina Nikić, Tanja Leniček
Teratomas are tumors derived from germ cells, most frequently arising in the gonads. The aim of this study was to determine the number of ovarian teratomas diagnosed in the routine biopsy material at Ljudevit Jurak Clinical Department of Pathology, Sestre milosrdnice University Hospital Center during a 5-year period, as well as their clinical, gross and microscopic characteristics. Teratomas accounted for 48.6% (n=166) of primary ovarian tumors. The patient mean age was 34.74±12.37 years. Difference in the incidence of teratoma between the left and right ovary was not significant; bilateral teratoma was found in 13 patients...
June 2016: Acta Clinica Croatica
https://www.readbyqxmd.com/read/28375941/two-tumors-in-1-what-should-be-the-therapeutic-target-pediatric-germ-cell-tumor-with-somatic-malignant-transformation
#9
Cecile Faure Conter, Brice Fresneau, Estelle Thebaud, Amandine Bertrand, Frederique Dijoud, Angelique Rome, Cecile Dumesnil, Marie Pierre Castex, Anguella Ghanem, Daniel Orbach
BACKGROUND: Germ cell tumors with somatic malignant transformation (GCT with SMT) are rare in children and poorly described. Data are missing to determine if therapies should target the GCT, the SMT compound, or both simultaneously. PATIENTS AND METHODS: A retrospective national study was conducted in the Société Française des cancers de l'Enfant (SFCE) Centers. Medical records from patients aged 0 to 18 years diagnosed with GCT with SMT between 2000 and 2015 were analyzed...
April 3, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28363052/teratoma-of-the-ovary-in-a-free-ranging-japanese-raccoon-dog-nyctereutes-procyonoides-viverrinus
#10
Hisashi Yoshimura, Masami Yamamoto, Maiko Moriya, Tomohiko Endo, Natsuko Sugiura, Takuya Kato, Yoko Matsuda, Toshiyuki Ishiwata, Hiroshi Kajigaya, Shinji Kamiya
A young adult, female, free-ranging Japanese raccoon dog ( Nyctereutes procyonoides viverrinus) with scabies infection was found dead as a result of traumatic injuries presumed to reflect vehicular trauma. Necropsy showed a large solid mass located on the left ovarian region, occupying a third of the abdominal cavity. Histologically, the mass contained complex tissues derived from three germinal layers, with areas of cuboidal or columnar epithelium, keratinized squamous epithelium, bone, cartilage, and adipose tissue...
March 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28357110/identical-twins-with-mature-cystic-teratomas-treated-with-laparoscopic-surgery-two-case-reports
#11
Yasushi Mabuchi, Nami Ota, Aya Kobayashi, Yuko Tanizaki, Sawako Minami, Kazuhiko Ino
Mature cystic teratomas are the most common among all ovarian neoplasms, representing 30-40% of the cases. However, to the best of our knowledge, there have been only two reports of mature cystic teratomas occurring in identical twins to date. We herein report a case of identical twins with mature cystic teratomas who were treated with laparoscopic surgery. A 32-year-old woman was referred to our hospital due to a tumor in the right ovary. The patient underwent laparoscopic resection of the ovarian tumor and the pathological diagnosis was benign mature cystic teratoma...
February 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28319573/vascular-smooth-muscle-cell-maturation-stage-and-ki-67-index-are-diagnostic-biomarkers-for-pathologic-grade-of-ovarian-teratoma
#12
Masako Hongo-Kohama, Atsushi Kurata, Hirotsugu Hashimoto, Koji Fujita, Hajime Horiuchi, Toshitaka Nagao, Masahiko Kuroda
Although immature teratoma of the ovary is a rare disease, its pathologic grading, especially between low-grade (grade 1) and high-grade (grade 2 or 3) immature teratomas, is important for optimal therapy and prognosis. This grading, however, is currently solely dependent on quantitation of neuroepithelial components as judged by subjective assessments. As we have recently successfully studied the maturation of vascular smooth muscle cells (SMCs) in other organs using an h-caldesmon to α-smooth muscle actin (α-SMA) ratio, we decided to use this ratio to investigate a potential link between teratoma grade and SMC maturation, in combination with Ki-67 index...
March 17, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28293443/ovarian-mature-and-immature-teratomas-in-monozygotic-twins-a-case-report-of-simultaneous-presentation
#13
Daisuke Shigemi, Naoki Kawai, Toshiyuki Takeshita
Mature cystic teratoma is one of the most common kinds of ovarian tumor, and immature teratoma is a rare tumor, representing less than 1% of all ovarian teratomas. Although there are some reports about familial occurrences of ovarian tumors, literature concerning the clinical cases of monozygotic twins is rare. We report the 5-year clinical courses of a 12-year-old Japanese girl with a recurrent bilateral ovarian mature teratoma and her monozygotic twin with a unilateral ovarian mature teratoma and contralateral ovarian immature teratoma...
2017: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28288660/evidence-of-metachronous-development-of-ovarian-teratomas-a-case-report-of-bilateral-mature-cystic-teratomas-of-the-ovaries-and-systematic-literature-review
#14
REVIEW
Wen-Chung Wang, Yen-Chein Lai
BACKGROUND: Mature cystic teratomas are usually found in the ovaries. They are bilateral in 10 to 15% of cases and multiple cystic teratomas may be present in one ovary. The aim of this study is to clarify if development of mature cystic teratomas of the ovaries in a single host is metachronous or due to autoimplant or recurrence. CASE PRESENTATION: We report a woman with bilateral mature cystic teratomas of the ovaries. DNA profiles of these teratomas were investigated via short tandem repeat (STR) analysis and methylation statuses were determined via methylation sensitive multiplex ligation-dependent probe amplification methods...
March 14, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28248120/sebaceous-adenoma-arising-in-mature-cystic-teratoma-of-the-ovary-case-report
#15
Kristýna Němejcová, Pavel Dundr, Jana Rosmusová, Inna Tučková
We report the case of a 44-year-old female with sebaceous adenoma arising in mature cystic teratoma of the ovary. The patient had a tumor in the left ovary; 125 x 90 x 70 mm. Microscopically, the tumor consisted of structures typical of dermoid cysts. However, large areas of sebaceous proliferation were found. These areas were comprised of sebaceous nodules with features similar to a sebaceous adenoma of the skin. Immunohistochemically, the tumor showed "wild-type" expression of p53 and low proliferative activity (Ki-67 index < 5%)...
2017: Ceskoslovenská Patologie
https://www.readbyqxmd.com/read/28208952/rare-site-of-parasitic-dermoid-cyst-at-uterovesical-fold-of-peritoneum-with-absent-one-sided-adnexa
#16
Sunita Dubey, Alka Sehgal, Puneeti Ballega, Rps Punia
Teratomas are the most common type of germ cell tumour. It can be congenital or acquired and are usually found in gonads (testes and ovaries). Parasitic dermoid cysts are rare and their actual incidence is unknown. We are reporting a case of 25-year-old gravida two, para one and one living child, who underwent emergency cesarean section in view of symptomatic placenta previa. A parasitic dermoid cyst was found incidently in front of uterus which was attached to uterovasical fold of bladder. This cyst did not show any connection to uterus or adnexa...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208869/mature-cystic-teratoma-with-co-existent-mucinous-cystadenocarcinoma-in-the-same-ovary-a-diagnostic-dilemma
#17
Sanjeet Roy, Sramana Mukhopadhayay, Mayank Gupta, Anuradha Chandramohan
Mature cystic teratoma co-existing with a mucinous cystadenocarcinoma is an infrequently encountered entity with only a handful of cases reported till date. The possibilities in such a case are either a malignant transformation of a benign teratoma into adenocarcinoma or a collision tumor between a mature cystic teratoma and a mucinous tumour of either a primary ovarian surface epithelial-stromal origin or a secondary from a primary gastrointestinal tract tumour. The importance of distinguishing between the two entities has significant bearing on subsequent therapeutic management...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28195108/mucoepidermoid-carcinoma-in-a-mature-cystic-teratoma-a-rare-case-report-with-review-of-literature
#18
REVIEW
Yasmin Altaf Momin, Medha Pradip Kulkarni, Amitkumar Bapuso Pandav, Kalpana Ranjitsingh Sulhyan
Mature cystic teratoma, also known as dermoid cyst, is the most common germ cell tumor of the ovary with a relative incidence of 20%. Rarely, dermoid cysts undergo malignant transformation (0.94%-2%). We report a case of mucoepidermoid carcinoma within a mature cystic teratoma in a 35-year-old female.
January 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28190856/virilism-and-ectopic-expression-of-hsd17b5-in-mature-cystic-teratoma
#19
Yohei Kawaguchi, Hiroko Mizuno, Mai Horikawa, Mayuko Kano, Kengo Yamada, Fumiko Yamakawa, Takashi Maekawa, Yuto Yamazaki, Keely M McNamara, Hironobu Sasano, Masayuki Hayashi
Mature cystic teratoma (MCT) is rarely involved in the overproduction of steroid hormones in contrast to sex cord stromal tumors. A 31-year-old woman visited our hospital with hirsutism, hoarseness, and hair loss from the scalp. Serum testosterone and free-testosterone levels were 7.3 ng/ml and 2.3 pg/ml, respectively, which were markedly in excess of the age adjusted female standard levels. Basal blood levels of steroid hormones and serum levels of 17-hydroxyprogesterone at 1 h after intravenous injection of adrenocorticotropic hormone demonstrated that 21-hydroxylase deficiency was not the underlying cause of her virilization...
February 2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28154283/postpartum-anti-n-methyl-d-aspartate-receptor-encephalitis-a-case-report-and-literature-review
#20
REVIEW
Tadashi Doden, Yoshiki Sekijima, Junji Ikeda, Kazuki Ozawa, Nobuhiko Ohashi, Minori Kodaira, Akiyo Hineno, Naoko Tachibana, Shu-Ichi Ikeda
We describe a 24-year-old woman with anti-N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis that developed 3 weeks after normal delivery. She was treated with methylprednisolone, intravenous immunoglobulin, and plasmapheresis, in addition to teratoma excision. However, her recovery was slow, and dysmnesia and mental juvenility persisted even two years after onset. To date, five patients with postpartum anti-NMDAR encephalitis have been reported. All of those patients showed psychotic symptoms and were suspected of having postpartum psychosis in the early period of the encephalitis...
2017: Internal Medicine
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