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ovarian Teratoma dermoid

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https://www.readbyqxmd.com/read/28507642/diagnostic-imaging-of-pregnant-women-the-role-of-magnetic-resonance-imaging
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
https://www.readbyqxmd.com/read/27048012/hdlive-ultrasound-images-of-ovarian-dermoid-cysts-diagnostic-accuracy
#15
F Bonilla-Musoles, C Cadete, F Raga, F Bonilla, N G Osborne, O Caballero
OBJECTIVE: To demonstrate that the use of 3D/4D HDLive increases the image quality in the diagnosis of benign cystic ovarian teratomas. MATERIALS AND METHODS: 3D/HDLive ultrasound (US) was used in 31 cases of suspected ovarian cystic teratoma using vaginal 2D US. The following pathognomonic images of mature cystic teratomas were considered for diagnosis: 1) a cystic, unilocular lesion with a densely echogenic tubercle (Rokitansky nodule); 2) a diffuse or partially echogenic mass usually demonstrating sound attenuation; 3) fluid-fluid/fat-fluid levels; 4) dermoid mesh with hyperechogenic calcifications indicating the presence of bone, teeth, or other ectodermally-derived structure; 5) multiple mobile spherical structures (fat globules)...
2016: Clinical and Experimental Obstetrics & Gynecology
https://www.readbyqxmd.com/read/26968295/from-syncope-episode-to-the-diagnosis-of-ovarian-dermoid-cyst-associated-with-a-cystadenoma
#16
Ancuta Augustina Gheorghisan-Galateanu, Mara Carsote, Anda Dumitrascu, Andreea Geleriu, Dana Terzea, Catalina Poiana
Ovarian teratoma has various presentations. We present a 28-year female diagnosed with a tumour after a fainting episode. Medical history was non-contributory except for mild intermittent pelvic pain. Cardiologic and neurological evaluation found no cause of syncope. Abdominal ultrasound revealed a right ovarian tumour that was laparoscopically removed. The menses continued to be normal. The pathological exam showed an encapsulated tumour of 8 cm with hair and small bone parts (mature teratoma with a cystadenoma)...
March 2016: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/26905716/dermoid-cyst-and-its-bizarre-presentation
#17
REVIEW
P Pradhan, M Thapa
Dermoid cysts or mature cystic teratoma are the most common type of ovarian germ cell tumor usually occurring in the reproductive age group. They are commonly unilateral and 10-12 % can be bilateral. They are commonly multicystic and contain sebaceous fluid as well as tissue of three germ cell layers e.g. ectoderm (skin, hair, brain) mesoderm (muscle, fat ,teeth ,bone, and cartilage) and endoderm (mucious and ciliated epithelium).These teratomas usually arise from the gonads but has been found anywhere in the body...
April 2014: JNMA; Journal of the Nepal Medical Association
https://www.readbyqxmd.com/read/26801904/relevance-of-frozen-sections-and-serum-markers-in-invasive-squamous-cell-carcinoma-arising-from-ovarian-mature-cystic-teratoma-two-case-reports
#18
Yuki Tazo, Yoshihiro Yoshimura, Takashi Shoda, Noriyuki Kyushima, Takemichi Okada, Hitoshi Yamazaki
BACKGROUND: Ovarian mature cystic teratoma (MCT) is a common neoplasm in women. While malignant transformation of MCT is relatively rare, squamous cell carcinoma is the most frequent malignant neoplasm arising from MCT. Some tumor markers have been reported to be useful for prediction of MCT malignant transformation prior to operation. However, widely accepted use of these markers remains to be established. In the present study, we report the usefulness of frozen section assessment during operation, as well as preoperative measurement of tumor marker levels...
January 22, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/26775461/transvaginal-versus-conventional-laparoscopy-for-ovarian-dermoid-cysts-a-matched-cohort-study
#19
Seung-Hyuk Shim, Sun Joo Lee, Soo-Nyung Kim, Su Hyun Chae, Ji Young Lee
OBJECTIVE: To compare transvaginal versus conventional laparoscopy for dermoid cysts. STUDY DESIGN: We retrospectively analyzed all con-secutive patients with dermoid cysts who underwent transvaginal (n = 219) or conventional (n = 245) laparoscopy from 2007-2013 at our institution. Each group of patients was matched (1:1 ratio) for age, body mass index, previous surgical history, cyst diameter, bilaterality, and cystectomy/oophorectomy. Surgical outcomes were compared between the 2 groups...
November 2015: Journal of Reproductive Medicine
https://www.readbyqxmd.com/read/26753493/mature-cystic-teratoma-of-both-the-fallopian-tube-and-contralateral-ovary-a-case-report
#20
J M Rhymes, T Gorman, R A Sasso
UNLABELLED: Intratubal teratoma is a very rare condition. The authors believe to present the first case of a completely intratubal mature cystic teratoma with a contralateral intraovarian teratoma. Preoperative ultrasound examination allowed the intraoperative diagnosis of this rare condition, hence allowing appropriate surgical management. MATERIALS AND METHODS: A 19-year-old woman presented with a history of pelvic pain and severe dysmenorrhea. Ultrasound examination initially suggested bilateral ovarian dermoids...
2015: Clinical and Experimental Obstetrics & Gynecology
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