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ovary teratoma

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https://www.readbyqxmd.com/read/27843812/an-unusual-case-of-malignant-struma-ovarii-causing-thyrotoxicosis
#1
Elli Anagnostou, Antonios Polymeris, Georgios Morphopoulos, Alexios Travlos, Vassiliki Sarantopoulou, Irini Papaspyrou
BACKGROUND: Struma ovarii (SO) is a specialized monodermal teratoma predominantly composed of mature thyroid tissue, accounting for approximately 5% of all ovarian teratomas. Thyrotoxicosis is seen in about 8% of patients with SO. Most SO cases are benign with only 5-10% being malignant, and malignant SO causing thyrotoxicosis is very uncommon. CASE: A 64-year-old woman had been diagnosed with thyrotoxicosis 2 years previously. The thyroid gland was palpable with a micronodular texture, and the patient was euthyroid under carbimazole...
September 2016: European Thyroid Journal
https://www.readbyqxmd.com/read/27801756/ovarian-epithelial-inclusions-with-mucinous-differentiation-a-clinicopathologic-study-of-42-cases
#2
Jeffrey D Seidman, Jayashree Krishnan
Ovarian epithelial inclusions lined by mucinous epithelium are rare and of uncertain origin. Ovaries containing such inclusions were studied in 42 women. The inclusions were divided into 3 groups: serous epithelial lined with typical ciliated morphology but with distinct basophilic cytoplasmic mucin in some or all of the lining cells, those lined by typical mucinous epithelium, and those lined by a combination of typical mucinous epithelium and serous epithelium. The mean patient age was 61.5 years. Pure mucinous inclusions were found in 27 patients, serous-type inclusions with cytoplasmic mucin in 20, and mixed type in 10...
October 31, 2016: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/27793140/rare-case-of-complete-colon-structure-in-a-mature-cystic-teratoma-of-the-ovary-in-menopausal-woman-a-case-report
#3
Eun Young Ki, Dong Gyu Jang, Dong Jun Jeong, Chang Jin Kim, Sung Jong Lee
BACKGROUND: Mature cystic teratoma (MCT) of the ovary is benign germ cell tumor and shows the highest incidence in women of reproductive age. Histologically, it includes components derived from endoderm, mesoderm, and ectoderm. Although there have been many reports of MCT having small part of the intestinal component, ovarian MCT containing complete colon structure was very rare. CASE PRESENTATION: A 54-year-old woman underwent laparoscopic left salpingo-oophorectomy due to an incidentally found ovarian mass...
October 28, 2016: BMC Women's Health
https://www.readbyqxmd.com/read/27776544/anti-n-methyl-d-aspartate-receptor-encephalitis-with-an-imaging-invisible-ovarian-teratoma-a-case-report
#4
Zainab M Abdul-Rahman, Peter K Panegyres, Margareta Roeck, David Hawkins, Jude Bharath, Paul Grolman, Cliffe Neppe, David Palmer
BACKGROUND: Anti-N-methyl-D-aspartate receptor encephalitis is a recently discovered disease entity of paraneoplastic limbic encephalitis. It largely affects young women and is often associated with an ovarian teratoma. It is a serious yet treatable condition if diagnosed early. Its remedy involves immunotherapy and surgical removal of the teratoma of the ovaries. This case of anti-N-methyl-D-aspartate receptor encephalitis involves an early surgical intervention with bilateral oophorectomy, despite negative imaging evidence of a teratoma...
October 24, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27769689/fetiform-teratoma-in-the-ovary-of-a-7-year-old-a-case-report
#5
Hanna R Goldberg, Lisa Allen, Sari Kives
BACKGROUND: Fetiform teratoma, a highly differentiated mature cystic teratoma resembling a fetus, is rare and typically found in the ovaries of women of reproductive age. This report describes the youngest case of ovarian fetiform teratoma. CASE: A 7-year-old female presented with acute abdominal pain. Radiological examinations revealed a 5.2 cm ovarian complex cystic mass with fetal-like components in favour of fetus-in-fetu (FIF) and teratoma. Following surgical removal, the mass resembled a fetus consisting of a head, two eye slits, two small upper limb projections, and hair...
October 18, 2016: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/27769025/primary-retroperitoneal-mature-cystic-teratoma-in-an-adult-a-case-report
#6
Hassan Peyvandi, Fahimeh Arsan, Athena Alipour-Faz, Maryam Yousefi
BACKGROUND: Mature cystic teratoma is one of the most common tumors of the ovaries; however, primary retroperitoneal lesions are rare entities in adults. CASE SUMMARY: We report a case of a 33 year-old woman noticing a mass in her epigastric and left upper abdominal region without any specific signs and symptoms. Radiological evaluation revealed a retroperitoneal mass with extension from the posterior aspect of the pancreas to the pelvic cavity, composed of calcifications and cystic elements...
October 11, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27702736/a-huge-ovarian-mucinous-cystadenoma-associated-with-contralateral-teratoma-and-polycystic-ovary-syndrome-in-an-obese-adolescent-girl
#7
Patcharapa Thaweekul, Yuthadej Thaweekul, Karicha Mairiang
A 13-year-old, obese girl presented with acute abdominal pain with abdominal distension for a year. The physical examination revealed marked abdominal distension with a large well-circumscribed mass sized 13×20 cm. Her body mass index (BMI) was 37.8 kg/m2. An abdominal CT scan revealed a huge multiloculated cystic mass and a left adnexal mass. She had an abnormal fasting plasma glucose and low HDL-C. Laparotomy, right salpingooophorectomy, left cystectomy, lymph node biopsies and partial omentectomy were performed...
December 2016: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/27663301/laparoscopic-outcomes-of-adnexal-surgery-in-older-children-and-adolescents
#8
Ozlem Dural, Cenk Yasa, Ercan Bastu, Funda Gungor Ugurlucan, Gamze Yilmaz, Bahar Yuksel, Suleyman Engin Akhan, Faruk Buyru
AIM: To evaluate the outcomes of laparoscopic surgery for the treatment of adnexal pathology in older children and adolescents. METHODS: We retrospectively reviewed medical records of 69 pediatric and adolescent patients aged between 9 and 19 years who underwent laparoscopic surgery for adnexal pathology in a tertiary academic center in Istanbul, Turkey, from January 2005 through September 2015. Patients who were pregnant or had non-gynecology pathology detected during surgery were excluded from the study...
September 20, 2016: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/27636886/mature-and-immature-solid-teratomas-involving-uterine-corpus-cervix-and-ovary
#9
Simona Stolnicu, Emoke Szekely, Calin Molnar, Claudiu V Molnar, Iulia Barsan, Valeria D'Alfonso, Cosmin Moldovan, Gang Zheng, Brigitte M Ronnett, Robert A Soslow
Extragonadal teratomas are rare, and localization in the endometrium and cervix is exceptional, with fewer than 10 case reports documented so far in the English literature. We report here the case of a 46-year-old patient who presented with simultaneous immature teratoma in the endometrium and mature teratomas in the ovary in association with gliomatosis peritonei but with no evidence of gestational origin; she subsequently developed multiple solid mature teratomas in the cervix and parauterine tissue. No other similar cases have been previously reported to our knowledge...
September 15, 2016: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/27623329/-ovarian-carcinoid-tumor-responsible-of-permanent-facial-erythrosis-and-flushings-during-sexual-intercourse
#10
B Talvande, A Dorange, M Lecouflet, M Le Nezet, B Kianifard, H Maillard, M Duquenne
INTRODUCTION: Ovarian neuroendocrine tumors are extremely rare. In the ovary, the term of neuroendocrine tumor is usually related to carcinoid tumors although it may be sometimes applied to neuroendocrine carcinomas of non-small cells or small cells cancers usually occurring in the lungs. These carcinoid tumors may develop de novo or from other tumors including teratomas. CASE REPORT: We report a patient who presented with an ovarian carcinoid tumor developed, near or from a dermoid cyst, which was original by its mode of discovery in the dermatology department...
September 9, 2016: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/27614362/endogenous-very-small-embryonic-like-stem-cells-critical-review-therapeutic-potential-and-a-look-ahead
#11
Deepa Bhartiya, Ambreen Shaikh, Sandhya Anand, Hiren Patel, Sona Kapoor, Kalpana Sriraman, Seema Parte, Sreepoorna Unni
BACKGROUND: Both pluripotent very small embryonic-like stem cells (VSELs) and induced pluripotent stem (iPS) cells were reported in 2006. In 2012, a Nobel Prize was awarded for iPS technology whereas even today the very existence of VSELs is not well accepted. The underlying reason is that VSELs exist in low numbers, remain dormant under homeostatic conditions, are very small in size and do not pellet down at 250-280g. The VSELs maintain life-long tissue homeostasis, serve as a backup pool for adult stem cells and are mobilized under stress conditions...
September 10, 2016: Human Reproduction Update
https://www.readbyqxmd.com/read/27569298/perspectives-on-testicular-germ-cell-neoplasms
#12
Liang Cheng, Bingjian Lyu, Lawrence M Roth
Our knowledge of testicular germ cell neoplasms has progressed in the last few decades due to the description of germ cell neoplasia in situ (GCNIS) and a variety of specific forms of intratubular germ cell neoplasia, the discovery of isochromosome 12p and its importance in the development of invasiveness in germ cell tumors (GCTs), the identification of specific transcription factors for GCTs, and the recognition that a teratomatous component in mixed GCT represents terminal differentiation. Isochromosome 12p and 12p overrepresentation, collectively referred to as 12p amplification, are fundamental abnormalities that account for many types of malignant GCTs of the testis...
August 25, 2016: Human Pathology
https://www.readbyqxmd.com/read/27535361/autoamputation-of-an-ovarian-mature-cystic-teratoma-a-case-report-and-a-review-of-the-literature
#13
Keun Ho Lee, Min Jong Song, In Cheul Jung, Yong Seok Lee, Eun Kyung Park
BACKGROUND: Torsion is known to be the most frequent complication of ovarian teratomas. Torsion of the adnexa usually manifests with severe abdominal pain and is treated as an acute surgical emergency. However, it may be asymptomatic. Autoamputation of an ovary, along with other adnexal structures, due to previous torsion is extremely rare. CASE PRESENTATION: A parasitic ovarian teratoma that underwent torsion, autoamputation, and reimplantation was found incidentally during laparoendoscopic single-site surgery (LESS)...
2016: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27528018/immature-teratoma-presenting-as-a-soft-tissue-mass-with-no-evidence-of-other-sites-of-involvement-a-case-report
#14
Radamés Ádamo Zuquello, Giordano Tagliari, Rodrigo Bagatini, Ricardo Hohmann Camiña, Ruggero Caron, Nadia Aparecida Lorencette, Antuani Rafael Baptistella, Gabriel Manfro
BACKGROUND: Germ cell tumors are tumors composed of tissues derived from more than one of the three germinal layers. They are more common in the testes and ovaries, but can present in many different regions in the midline, including the sacral region, retroperitoneum, mediastinum, and brain. Testicular germ cell tumors generally metastasize to the retroperitoneum, lungs, and brain; metastases to soft tissue are very rare. CASE PRESENTATION: Here we describe a case of a single soft-tissue mass in the thigh of a 27-year-old man, with histology showing areas of mature teratoma tissues derived from the ectodermal and mesodermal lineages, and areas of immature teratoma tissue composed of small undifferentiated cells, with primitive neuroectodermal differentiation foci forming neuroepithelial elements - thus classified as immature teratoma...
2016: Diagnostic Pathology
https://www.readbyqxmd.com/read/27525145/an-uncommon-case-of-adolescent-ovarian-teratoma-incarcerated-in-inguinal-hernia
#15
Marco Pensabene, Vincenza Girgenti, Marcello Cimador, Giuseppe Li Voti, Vito Rodolico, Fortunato Siracusa
Mature cystic teratoma is the most frequent benign ovarian neoplastic lesion in adolescents and is generally composed of fully differentiated tissue arising from multipotential three germinal layers. It accounts for approximately 50% of benign ovarian tumors in childhood. Rarely, a bilateral, synchronous, or metachronous presentation can be observed, supporting a conservative approach as the first surgical approach. We report a case of an ovarian mature cystic incarcerated in indirect inguinal hernia in a 15-year-old girl undergoing ovary-sparing surgery...
2016: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/27513075/collision-signet-ring-stromal-tumor-and-steroid-cell-tumor-of-the-ovary-report-of-the-first-case
#16
Stephanie M McGregor, J Kenneth Schoolmeester, Ricardo R Lastra
To date, the vast majority of collision tumors in the ovary include either a teratoma, sex cord-stromal tumor, or both. Here we report the first case of a collision tumor consisting of a steroid cell tumor and a signet-ring stromal tumor.
August 10, 2016: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/27491291/primary-pure-spindle-cell-carcinoma-sarcomatoid-carcinoma-of-the-ovary-a-case-report-with-immunohistochemical-study
#17
Giovanna Giordano, Roberto Berretta, Enrico Silini
BACKGROUND: In the ovary, sarcomatoid carcinoma has been reported only as mural nodules in epithelial malignant or borderline serous or mucinous cystic neoplasms, and in teratomas. In this paper we report a rare case of a solid sarcomatoid carcinoma of the ovary, without accompanying component of giant cells, pleomorphic cells, or glandular and other epithelial structures. CASE PRESENTATION: This case report refers to a sarcomatoid carcinoma of the ovary in in a 57 year-old woman with abdominal pain...
August 5, 2016: Diagnostic Pathology
https://www.readbyqxmd.com/read/27471560/genomic-epigenomic-alterations-in-ovarian-carcinoma-translational-insight-into-clinical-practice
#18
REVIEW
Anliang Dong, Yan Lu, Bingjian Lu
Ovarian carcinoma is the most lethal gynecological malignancy worldwide. Recent advance in genomic/epigenomic researches will impact on our prevention, detection and intervention on ovarian carcinoma. Detection of germline mutations in BRCA1/BRCA2, mismatch repair genes, and other genes in the homologous recombination/DNA repair pathway propelled the genetic surveillance of most hereditary ovarian carcinomas. Germline or somatic mutations in SMARCA4 in familial and sporadic small cell carcinoma of the ovary, hypercalcemia type, lead to our recognition on this rare aggressive tumor as a new entity of the atypical teratoma/rhaboid tumor family...
2016: Journal of Cancer
https://www.readbyqxmd.com/read/27462234/advanced-mucinous-adenocarcinoma-arising-from-a-mature-cystic-teratoma-a-case-report-and-literature-review
#19
Aki Miyasaka, Tadaaki Nishikawa, Eito Kozawa, Masanori Yasuda, Keiichi Fujiwara, Kosei Hasegawa
PURPOSE: To describe the postoperative progressive course of advanced-stage adenocarcinoma arising from a mature cystic teratoma (MCT) and review the literature regarding this disease. METHODS: A 59-year-old woman visited our hospital with an abdominal mass. Laparotomy showed enlargement of the left ovary and dissemination throughout the abdominal and pelvic cavities. The diagnosis was FIGO stage IIIB adenocarcinoma arising from a MCT. We report this case in detail with a review of the literature...
May 2016: Case Reports in Oncology
https://www.readbyqxmd.com/read/27446368/synchronous-occurrence-of-mature-cystic-teratoma-of-the-fallopian-tube-and-ovary-a-case-report
#20
Jongchul Baek
Primary carcinoma of the fallopian tube represents <1% of all gynecological tumors, and benign tumors of the fallopian tube are encountered even less frequently. Mature teratomas of the fallopian tube and ovary are extremely rare, and to date, only a few cases have been reported. A 31-year-old woman presented with a left adnexal mass that was identified by pelvic ultrasonography during a regular checkup. The patient underwent laparoscopic left salpingectomy and left ovarian cystectomy. Histopathological examination of the removed tissue revealed features compatible with mature cystic teratomas of both the left fallopian tube and ovary...
August 2016: Oncology Letters
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