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ovarian Teratoma dermoid

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https://www.readbyqxmd.com/read/29037561/repeated-pregnancy-with-concomitant-presence-of-ovarian-teratoma-a-case-report-and-literature-review
#1
Liang-Hsuan Chen, Shuenn-Dhy Chang, Hong-Yuan Huang, Hsin-Shih Wang, Yung-Kuei Soong, Hsien-Ming Wu
OBJECTIVE: Benign mature teratoma during pregnancy is common, mostly discovered incidentally by antenatal sonography. However, repeated pregnancy coincident with ovarian mature teratoma is rarely reported. The cases of teratoma with rapid growing characteristics are even more unique. CASE REPORT: A 17-year-old woman was pregnant at 6 weeks of gestation with a left ovarian teratoma. She underwent artificial abortion followed by surgical removal of the teratoma. However, eleven years after the surgery, a right ovarian teratoma was found incidentally by antepartum sonography at 21 weeks of gestation...
October 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28969215/a-huge-ovarian-dermoid-cyst-successful-laparoscopic-total-excision
#2
Hacer Uyanikoglu, Abdurrahim Dusak
Giant ovarian cysts, ≥15 cm in diameter, are quite rare in women of reproductive age. Here, we present a case of ovarian cyst with unusual presentation treated by laparoscopic surgery. On histology, mass was found to be mature cystic teratoma. The diagnostic and management challenges posed by this huge ovarian cyst were discussed in the light of the literature.
August 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28914675/ganglioneuroblastoma-arising-in-an-ovarian-dermoid-cyst-first-report-in-the-literature
#3
Simon Rajendran, Debra Jensen, W Glenn McCluggage
The development of a somatic neoplasm within an ovarian dermoid cyst (mature cystic teratoma) is a rare, but well described, phenomenon which occurs in approximately 1% of all cases. Any of the tissue components of a dermoid cyst has the potential to undergo neoplastic transformation with carcinoid tumors and squamous cell carcinomas being among the most common neoplasms. We report a case of a ganglioneuroblastoma arising within an ovarian dermoid cyst, an association which, as far as we are aware, has not been described previously...
September 29, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28900332/a-case-of-mature-cystic-teratoma-in-an-8-year-old-girl-a-rare-case-report
#4
Manika Agarwal, Shweta Mishra
Ovarian tumors are commonly seen in reproductive age group in women. However, when they occur at extremes of age, the suspicion of malignancy increases. The detection of dermoid cyst at 8 years of age is uncommon and hence is being reported to acquaint the doctors of this possibility. Awareness of benign tumors in small children can help in proper counseling of patient party and planning the surgical procedure.
April 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/28864175/non-hodgkin-lymphomas-in-mature-cystic-teratomas-a-case-report-and-review-of-the-literature
#5
Gabrielle M Bonneville, René P Michel, Srinivasan Krishnamurthy, Fady W Mansour
BACKGROUND: Mature teratomas, better known as dermoid cysts, are the most common ovarian neoplasms in women in the second and third decade of life. They are invariably benign, and most women are asymptomatic. Ovarian cystectomy is the preferred therapeutic option. CASE: A 24-year-old woman was planned for elective laparoscopic cystectomy for a suspected teratoma; operative findings led to a unilateral oophorectomy. Pathological analysis of the specimen revealed a focus of large cell lymphoma of unknown lineage arising in a mature cystic teratoma...
August 29, 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28819483/-malignant-teratoma-about-a-case-and-a-review-of-the-literature
#6
REVIEW
Abdi Ahmed Bonahy, Houssam Sabbah, Ahmed Haiba Med Vadell, Nacer Eddine Med Baba
Dermoid cysts account for 10-20% of ovarian germ cell tumors. Malignant transformation within ovarian dermoid cyst has been reported in 1-2 per cent of the cases. The treatment remains controversial. In women of childbearing age and in the first stages of the disease unilateral annexectomy without adjuvant therapy is recommended. In menopausal women extensive surgery is sometimes performed, no matter what stage of the disease the person is experiencing. We report the case of a menopausal patient with malignant transformation within ovarian dermoid cyst who underwent surgery...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28507642/diagnostic-imaging-of-pregnant-women-the-role-of-magnetic-resonance-imaging
#7
Monika Bekiesińska-Figatowska, Anna Romaniuk-Doroszewska, Sylwia Szkudlińska-Pawlak, Agnieszka Duczkowska, Jarosław Mądzik, Martyna Szopa-Krupińska, Tomasz M Maciejewski
BACKGROUND: Presentation of magnetic resonance imaging (MRI) findings in pregnant women in the Department of Diagnostic Imaging, Institute of Mother and Child, Warsaw, Poland. MATERIAL/METHODS: Forty-three symptomatic pregnant women underwent MRI between 9 and 33 weeks of gestation (mean of 23 weeks). Moreover, we included 2 pregnant women who underwent fetal MRI and had incidental abnormalities. RESULTS: In 9 cases, we excluded the suspected brain abnormalities...
2017: Polish Journal of Radiology
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/28208869/mature-cystic-teratoma-with-co-existent-mucinous-cystadenocarcinoma-in-the-same-ovary-a-diagnostic-dilemma
#9
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/28138731/-sack-of-marbles-in-mature-cystic-ovarian-teratoma
#10
REVIEW
K H Lee
Mature ovarian cystic teratoma (also known as ovarian dermoid cyst) is a slow growing encapsulated tumor which contains well differentiated derivations of at least two out of three germ cell layers (i.e. ectoderm, mesoderm, and endoderm). The lesion is lined by ectodermally derived squamous epithelium containing skin appendages. The cyst content commonly consists of keratin, sebaceous materials and fat. On CT images, the intracystic globules of sebum/fat could appear as multiple free floating rounded hypoattenuating nodules, giving the classical 'sack-of-marbles' appearance...
May 2017: Abdominal Radiology
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/27935160/surgical-treatment-of-mature-cystic-teratomas-a-comparison-of-emergent-and-elective-surgeries
#12
Hadas Ganer Herman, Ron Sagiv, Hagit Raphaeli, Ram Kerner, Ran Keidar, Jacob Bar, Shimon Ginath
AIM: To compare patient characteristics, imaging and surgical management of mature cystic teratomas (MCTs) according to surgery type - elective versus emergent. METHODS: The study included surgeries performed between 1990 and 2016, during which histologically verified ovarian MCT material was obtained. The elective management group included surgeries performed at a pre-set date or incidental finding of MCT as part of a different surgery. Emergent surgeries were considered as such if performed as a result of suspected adnexal torsion...
January 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/27807494/ovarian-carcinosarcoma-and-its-association-with-mature-cystic-teratoma-and-primary-tubal-carcinoma
#13
Sunida Rewsuwan, Nopporn Satabongkoch, Prapaporn Suprasert, Surapan Khunamornpong
Introduction. Carcinosarcoma is an uncommon form of ovarian cancers, classified as being part of the group of mixed epithelial and mesenchymal tumors. The occurrence of carcinosarcoma in association with a mature cystic teratoma and synchronous tubal carcinoma is very rare. Case Report. A 69-year-old woman presented with a pelvic mass. An abdominal computerized tomographic scan detected a 15 cm right pelvic mass which was suggestive of malignant transformation of a dermoid cyst. Intraoperative, bilateral ovarian masses (left 10 cm and right 12 cm) with diffuse peritoneal metastatic nodules were identified...
2016: Case Reports in Pathology
https://www.readbyqxmd.com/read/27623329/-ovarian-carcinoid-tumor-responsible-of-permanent-facial-erythrosis-and-flushings-during-sexual-intercourse
#14
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...
November 2016: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/27569298/perspectives-on-testicular-germ-cell-neoplasms
#15
REVIEW
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...
January 2017: Human Pathology
https://www.readbyqxmd.com/read/27508272/primary-ovarian-neuroendocrine-tumor-arising-in-association-with-a-mature-cystic-teratoma-a-case-report
#16
Nicolas M Orsi, Mini Menon
Primary ovarian carcinoid tumors are exceptionally rare entities accounting for approximately 0.1% of all ovarian neoplasms. This report describes a primary ovarian neuroendocrine tumor arising in association with a mature cystic teratoma in a 65 year-old woman. Macroscopically, the unilateral adnexal tumor was composed of cystic, solid and mucinous elements which resolved into a dual component lesion histologically. The majority of the tumor displayed an organoid architecture with mild to moderate pleomorphism and no discernible mitotic activity, while approximately 10% consisted of sheets and groups of cells with highly pleomorphic nuclei, necrosis and occasional mitoses...
August 2016: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/27434195/mature-cystic-teratoma-of-ovary-with-abnormally-high-levels-of-ca19-9-a-case-report
#17
Joana Sampaio, Inês Sarmento-Gonçalves, Joana Moreira Barros, Joana Felix, Pedro Tiago-Silva
Mature cystic teratomas, or dermoid tumors, are the most common benign ovarian neoplasms in young women. Malignant transformation is rare, and occurs in less than 2% of the cases. The heterogeneous histological composition of these tumors may be responsible for the occasional elevation of various tumor markers, such as Ca19-9 and Ca125. We describe one case of mature cystic teratoma in a 50-year old woman with the second highest level of Ca19-9 (8922.76 UI/mL) described in the literature. We concluded that abnormal levels of Ca19-9 are not necessarily associated with ovarian malignancy, and may lead to unnecessary medical intervention and patient anxiety...
July 2016: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/27382827/-malignized-dermoid-cyst-of-the-ovary
#18
Riitta Koivisto-Korander, Ralf Bützow
Mature germ cell derived cystic teratoma of the ovary, i.e. dermoid cyst, is a common ovarian neoplasm, seldom progressing to malignancy. Malignized dermoid cyst is most commonly diagnosed in a woman of approx. 50 years of age, either during or after an operation. Owing to the rarity of the disease, the lines of treatment are based on retrospective series of cases.
2016: Duodecim; Lääketieteellinen Aikakauskirja
https://www.readbyqxmd.com/read/27331138/malignant-melanoma-arising-in-a-mature-teratoma-a-case-report-with-review-of-the-recent-literature
#19
Lorna A Brudie, Faizan Khan, Michael J Radi, Melissa M Yates, Sarfraz Ahmad
Mature cystic teratomas constitute 10-20% of all ovarian neoplasms. Malignant transformation is very rare occurring in only 0.1-2% of mature teratoma cases. Malignant melanoma is among the least common transformations. Herein, we describe a case of young woman initially undergoing evaluation for infertility who was found to have malignant melanoma arising in a mature dermoid cyst. She subsequently underwent unilateral salpingo-oophorectomy with staging procedure with benign pathology. There was no need for adjuvant therapy and the patient is without disease to date (nearly 10-months in follow-up now)...
April 2016: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/27110246/ovarian-mature-cystic-teratoma-challenges-of-surgical-management
#20
REVIEW
Abha Sinha, Ayman A A Ewies
Although ovarian mature cystic teratomas are the commonest adnexal masses occurring in premenopausal women, there are many challenges faced by gynecologists on deciding upon the best surgical management. There is uncertainty, lack of consensus, and variation in surgical practices. This paper critically analyzes various surgical approaches and techniques used to treat these cysts in an attempt to outline a unified guidance. MEDLINE and EMBASE databases were searched in January 2015 with no date limit using the key words "ovarian teratoma" and "ovarian dermoid...
2016: Obstetrics and Gynecology International
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