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Carcinoma ovary

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https://www.readbyqxmd.com/read/29770477/braf-v-600e-mutations-and-immunohistochemical-expression-of-ve1-protein-in-low-grade-serous-neoplasms-of-the-ovary
#1
Gulisa Turashvili, Rachel N Grisham, Sarah Chiang, Deborah F Delair, Kay J Park, Robert A Soslow, Rajmohan Murali
AIMS: The most common BRAF mutation in ovarian low-grade serous neoplasms (LGSNs) involves substitution of valine by glutamic acid at position 600 (V600E). Small studies have demonstrated high specificity of immunohistochemistry with mutation-specific monoclonal antibody VE1. We sought to investigate expression of VE1 protein in LGSNs and its correlation with BRAF mutation-associated histological features and BRAF mutation status. METHODS AND RESULTS: We reviewed pathology reports and available slides from ovarian serous borderline tumours (SBTs) and low-grade serous carcinomas (LGSCs) diagnosed between 2000-2012...
May 16, 2018: Histopathology
https://www.readbyqxmd.com/read/29770329/aeg-1-contributes-to-metastasis-in-hypoxia-related-ovarian-cancer-by-modulating-the-hif-1alpha-nf-kappab-vegf-pathway
#2
Xiaoyu Yu, Yan Wang, Huilei Qiu, Hongtao Song, Di Feng, Yang Jiang, Shuzhe Deng, Hongxue Meng, Jingshu Geng
Objective: Ovarian carcinoma represents one of the deadliest malignancies among female cancer patients. Astrocyte-elevated gene-1 (AEG-1) participates in the ontogenesis of multiple human malignant diseases. Here we evaluated AEG-1, hypoxia-inducible factor- (HIF-) 1 α , nuclear factor kappa-light-chain-enhancer of activated B cells (NF- κ B), and vascular endothelial growth factor (VEGF) amounts in hypoxia induced ovarian carcinoma cells. This study aimed to explore the mechanism by which AEG-1 regulates metastasis in hypoxia induced ovarian carcinoma...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29768376/rare-case-of-squamous-cell-carcinoma-arising-in-a-recurrent-ovarian-mature-cystic-teratoma-of-a-young-woman-a-case-report-and-review-of-the-literature
#3
Xinge Feng, Lian Xu
RATIONALE: Malignant transformations of ovarian mature cystic teratomas (MCTs) occur rarely, especially in young women. Although it is extremely difficult to diagnose them, serum tumor marker level testing in combination with the use of imaging techniques may be useful in preoperative diagnosis. PATIENT CONCERNS: We present the case of a 31-year-old Chinese woman with the malignant transformation of an ovarian MCT. The patient had a history of oophorocystectomy due to an MCT of the right ovary 6 years prior and a gemellary pregnancy owing to in vitro fertilization and embryo transfer...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29768344/synchronous-adrenocortical-carcinoma-and-ovarian-malignant-mixed-germ-cell-tumor-a-case-report-and-literature-review
#4
Ying He, Lian Xu, Qingli Li, Min Feng, Wei Wang
RATIONALE: Adrenocortical carcinoma (ACC) is an endocrine malignancy with poor prognosis, which commonly arises in a sporadic manner, but may also become a part of a familial syndrome. ACC rarely arises simultaneously with other malignant tumors. PATIENT CONCERNS: We report a case of a 29-year-old woman with ACC synchronously followed by an ovarian malignant mixed germ cell tumor. We describe the clinical, histopathological, and immunohistochemical findings and review the English literatures...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29765556/antibody-assisted-target-identification-reveals-afatinib-an-egfr-covalent-inhibitor-down-regulating-ribonucleotide-reductase
#5
Cheng-Han Yu, Chi-Chi Chou, Hsin-Fang Tu, Wei-Chieh Huang, Ya-Yeh Ho, Kay-Hooi Khoo, Ming-Shyue Lee, Geen-Dong Chang
Afatinib, used for the first-line treatment of non-small-cell lung carcinoma (NSCLC) patients with distinct epidermal growth factor receptor (EGFR) mutations, inactivates EGFR by mimicking ATP structure and forming a covalent adduct with EGFR. We developed a method to unravel potential targets of afatinib in NSCLC cells through immunoprecipitation of afatinib-labeling proteins with anti-afatinib antiserum and mass spectrometry analysis. Ribonucleotide reductase (RNR) is one of target proteins of afatinib revealed by this method...
April 20, 2018: Oncotarget
https://www.readbyqxmd.com/read/29761000/quantitative-multispectral-ex-vivo-optical-evaluation-of-human-ovarian-tissue-using-spatial-frequency-domain-imaging
#6
Sreyankar Nandy, Ian S Hagemann, Matthew A Powell, Cary Siegel, Quing Zhu
About 85-90% of all ovarian cancers are carcinomas; these manifest clinically as mass-forming epithelial proliferations involving the ovary. In this study, a visible light spatial frequency domain imaging (SFDI) system was used for multispectral ex vivo imaging and quantitative evaluation of freshly excised benign and malignant human ovarian tissues. A total of 14 ovaries from 11 patients undergoing oophorectomy were investigated. Using a logistic regression model with seven significant spectral and spatial features extracted from SFDI images, a sensitivity of 94...
May 1, 2018: Biomedical Optics Express
https://www.readbyqxmd.com/read/29750703/an-epithelioid-smooth-muscle-neoplasm-mimicking-a-signet-ring-cell-carcinoma-in-the-ovary
#7
Deyin Xing, Alexander A Berrebi, Chengbao Liu, Abby Richmond, Russell Vang, Brigitte M Ronnett
A 53-yr-old woman who presented with elevated renal indices was discovered to have a 4.5 cm right renal mass and an incidental 9.7 cm left ovarian mass on imaging studies. She underwent a partial nephrectomy and bilateral salpingo-oophorectomy, revealing a chromophobe renal cell carcinoma and an unusual ovarian neoplasm with epithelioid cells displaying prominent signet ring cell-like morphology. Immunohistochemical analysis of the ovarian neoplasm demonstrated that the tumor cells were diffusely immunoreactive for smooth muscle markers and negative for all tested cytokeratins and epithelial membrane antigen...
May 10, 2018: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29750701/comprehensive-surgical-staging-in-stage-1-clear-cell-and-endometrioid-ovarian-carcinomas-is-it-necessary
#8
Radha R Padhy, Johanna Savage, Robert J Kurman
The objective of this article was to evaluate the presence of occult metastasis after comprehensive surgical staging of clear cell ovarian carcinoma (CCC) and endometrioid ovarian carcinoma (EMCA) that appeared to be confined to the ovary at time of surgery. Between 1998 to 2016, 85 patients with CCC and EMCA were identified who were comprehensively staged and felt to be stage 1 intraoperatively. Of the 85 patients who underwent surgical staging, 4 (4.7%) had omental and dense pelvic side-wall tumor adhesions...
May 10, 2018: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29749467/kif20a-expression-as-a-prognostic-indicator-and-its-possible-involvement-in-the-proliferation-of-ovarian-clear%C3%A2-cell-carcinoma-cells
#9
Yosuke Kawai, Kiyosumi Shibata, Jun Sakata, Shiro Suzuki, Fumi Utsumi, Kaoru Niimi, Ryuichiro Sekiya, Takeshi Senga, Fumitaka Kikkawa, Hiroaki Kajiyama
Kinesin family member 20A (KIF20A), which is involved in cytokinesis and intracellular transportation, has been recently reported to be upregulated in several malignancies and may contribute to chemotherapeutic resistance. We examined the distribution and expression of KIF20A in clear‑cell carcinoma (CCC) of the ovary to elucidate its clinical significance and molecular mechanism. Paraffin sections from ovarian CCC tissues (N=43) were immunostained with KIF20A antibody, and the staining intensities were semi‑quantitatively evaluated...
April 25, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29747272/-analysis-of-proliferative-lesions-of-haematopoietic-and-lymphoid-tissue-in-the-female-productive-tract
#10
D B Chen, H Zhang, Y H Zhang, Y Wang, Q J Song, S M Yang, H Cui, Y Zhao, X Z Fang, D H Shen
Objective: To study the clinicopathologic features, diagnosis and differential diagnosis of tumors of haematopoietic and lymphoid tissue in the female productive tract. Methods: Eleven cases of myeloid sarcoma and leukemia, 9 of non Hodgkin lymphoma (NHL) , 13 of cervical lymphoma-like lesions were selected from Peking University People's Hospital from January 2006 to August 2017. According to WHO classification of tumors of haematopoietic and lymphoid tissues (2008) and updated classification(2016), the cases were studied by microscopy, immunohistochemistry and in situ hybridization...
April 25, 2018: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/29731803/ovarian-small-cell-carcinoma-a-rare-case-report-and-review-of-literature
#11
Savita Agarwal, Pinki Pandey, Megha Ralli, Shruti Singh
Ovarian small cell carcinoma is a rare and highly malignant tumor with poor prognosis. It usually presents in younger females with features of hypercalcemia. The exact histogenesis of the tumor is unclear and it may present as an undifferentiated tumor. In such cases, immunohistochemistry (IHC) plays an important role to confirm the diagnosis. Limited treatment options are available and mainly include radical surgery followed by adjuvant therapy in advanced stages. The current report was a rare case of small cell carcinoma of ovary presenting no symptoms of hypercalcemia diagnosed on histopathological examination and IHC findings...
2018: Iranian Journal of Pathology
https://www.readbyqxmd.com/read/29731792/immunohistochemical-characterization-of-normal-ovary-and-common-epithelial-ovarian-neoplasm-with-a-monoclonal-antibody-to-cytokeratin-and-vimentin
#12
Ankita Goel, Nandam Mohan Rao, Vissa Santhi, Syam Sundar Byna, Bhavana Grandhi, Jyothi Conjeevaram
Background & Objective: The common epithelial ovarian tumors are classified into serous, mucinous, clear cell, endometrioid, the Brenner, mixed, and undifferentiated types. Cytoskeleton intermediate filament composition of ovarian tissues indicates that the cytokeratin and vimentin are observed in ovarian surface epithelium along with the common ovarian epithelial tumors. The current study aimed at investigating the cytokeratin and vimentin expression in epithelial ovarian tumors to establish a diagnostic relevance...
2018: Iranian Journal of Pathology
https://www.readbyqxmd.com/read/29731507/primary-papillary-serous-carcinoma-of-the-fallopian-tube-presenting-as-a-vaginal-mass-a-case-report-and-review-of-the-literature
#13
Einav Kadour-Peero, Lena Sagi-Dain, Gil Cohen, Roman Korobochka, Abed Agbarya, Jacob Bejar, Shlomi Sagi
BACKGROUND There is now evidence to support that some cases of high-grade serous papillary carcinoma arise from the fallopian tubes rather than the ovaries. Common symptoms at presentation include abdominal pain and swelling, vomiting, altered bowel habit and urinary symptoms. To our knowledge, this is the first case of serous papillary carcinoma presenting as a vaginal mass lesion. CASE REPORT A 41-year-old woman was referred to the Bnai-Zion Medical Center with the main complaint of irregular vaginal bleeding, vaginal mucous discharge, and suspected pelvic mass...
May 7, 2018: American Journal of Case Reports
https://www.readbyqxmd.com/read/29725467/association-between-ovarian-cancer-and-advanced-endometriosis
#14
Michail Matalliotakis, Charoula Matalliotaki, George N Goulielmos, Evridiki Patelarou, Maria Tzardi, Demetrios A Spandidos, Aydin Arici, Ioannis Matalliotakis
We retrospectively analyzed clinicopathological data in two different countries over the past years on the association between ovarian endometriosis and ovarian carcinoma. Medical and pathological reports were evaluated from 1,000 patients with endometriosis from two different geographical areas. The prevalence and women characteristics of cases were analyzed. Endometriosis-associated ovarian cancer was present in 20 (2%) cases, among the study subjects. The observed prevalence was 12 (60%) for endometrioid carcinoma, 4 (20%) for clear cell ovarian carcinoma, 2 (10%) for serous and 2 (10%) for mucinous adenocarcinoma...
May 2018: Oncology Letters
https://www.readbyqxmd.com/read/29716739/converging-endometrial-and-ovarian-tumorigenesis-in-lynch-syndrome-shared-origin-of-synchronous-carcinomas
#15
Anni Niskakoski, Annukka Pasanen, Noora Porkka, Samuli Eldfors, Heini Lassus, Laura Renkonen-Sinisalo, Sippy Kaur, Jukka-Pekka Mecklin, Ralf Bützow, Päivi Peltomäki
OBJECTIVE: The diagnosis of carcinoma in both the uterus and the ovary simultaneously is not uncommon and raises the question of synchronous primaries vs. metastatic disease. Targeted sequencing of sporadic synchronous endometrial and ovarian carcinomas has shown that such tumors are clonally related and thus represent metastatic disease from one site to the other. Our purpose was to investigate whether or not the same applies to Lynch syndrome (LS), in which synchronous cancers of the gynecological tract are twice as frequent as in sporadic cases, reflecting inherited defects in DNA mismatch repair (MMR)...
April 28, 2018: Gynecologic Oncology
https://www.readbyqxmd.com/read/29703236/high-grade-serous-carcinoma-with-discordant-p53-signature-report-of-a-case-with-new-insight-regarding-high-grade-serous-carcinogenesis
#16
Yuichiro Hatano, Shinya Fukuda, Hiroshi Makino, Hiroyuki Tomita, Ken-Ichirou Morishige, Akira Hara
BACKGROUND: Although p53 signature, benign-appearing epithelial cells with p53 diffuse expression, is frequently found in the fallopian tubes, the clinical and pathological significance of this lesion in the case of high-grade serous carcinoma (HGSC) patients still remains unclear. CASE PRESENTATION: A 56-year-old woman was referred to the gynecologist on account of abdominal distention. Since radiological and serological workup suggested that her illness was due to advanced ovarian cancer (FIGO Stage IVB), she received neoadjuvant chemotherapy, and the clinical evaluation of the chemotherapeutic response was a partial response...
April 27, 2018: Diagnostic Pathology
https://www.readbyqxmd.com/read/29700418/smarca4-deficient-undifferentiated-uterine-sarcoma-malignant-rhabdoid-tumor-of-the-uterus-a-clinicopathologic-entity-distinct-from-undifferentiated-carcinoma
#17
David L Kolin, Fei Dong, Michele Baltay, Neal Lindeman, Laura MacConaill, Marisa R Nucci, Christopher P Crum, Brooke E Howitt
Small cell carcinoma of the ovary, hypercalcemic type is a rare, aggressive malignancy which usually occurs in young women and is characterized by mutations in SMARCA4, with few other alterations. We recently encountered uterine tumors with morphologic, immunohistochemical, and genetic similarities to small cell carcinoma of the ovary, hypercalcemic type. Herein we report the clinicopathologic and molecular features (using a targeted massively parallel sequencing [MPS] assay) of these tumors. The cases were diagnosed on cervical and endometrial biopsies (n = 2, 34, and 29 years) or hysterectomy and bilateral salpingo-oophorectomy (n = 3, 25, 33, and 58 years)...
April 26, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29692595/unusual-presentation-of-renal-cell-carcinoma-a-rare-case-report
#18
Manjari Kishore, Devender Singh Chauhan, Shruti Dogra
Cutaneous and intraoral metastasis from any malignancy is not common. Cutaneous spread is usually noted in 5%-10% of high-grade malignancies, as in carcinoma breast, lung, colon, ovary, and malignant melanoma. Only 4.6% cases of cutaneous spread are from renal cell carcinoma (RCC). Intraoral spread from RCC is much rarer with an incidence of approximately 1% of all malignant oral tumors, noted sometimes in tongue, palate, buccal mucosa, gingiva, and lips. RCC is a highly aggressive tumor which requires early diagnosis for increasing the chance of cure...
April 2018: Journal of Laboratory Physicians
https://www.readbyqxmd.com/read/29683909/acog-committee-opinion-no-734-the-role-of-transvaginal-ultrasonography-in-evaluating-the-endometrium-of-women-with-postmenopausal-bleeding
#19
(no author information available yet)
Cancer of the endometrium is the most common type of gynecologic cancer in the United States. Vaginal bleeding is the presenting sign in more than 90% of postmenopausal women with endometrial carcinoma. Clinical risk factors for endometrial cancer, including but not limited to age, obesity, use of unopposed estrogen, specific medical comorbidities (eg, polycystic ovary syndrome, type 2 diabetes mellitus, atypical glandular cells on screening cervical cytology), and family history of gynecologic malignancy also should be considered when evaluating postmenopausal bleeding...
May 2018: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29683904/acog-committee-opinion-no-734-summary-the-role-of-transvaginal-ultrasonography-in-evaluating-the-endometrium-of-women-with-postmenopausal-bleeding
#20
(no author information available yet)
Cancer of the endometrium is the most common type of gynecologic cancer in the United States. Vaginal bleeding is the presenting sign in more than 90% of postmenopausal women with endometrial carcinoma. Clinical risk factors for endometrial cancer, including but not limited to age, obesity, use of unopposed estrogen, specific medical comorbidities (eg, polycystic ovary syndrome, type 2 diabetes mellitus, atypical glandular cells on screening cervical cytology), and family history of gynecologic malignancy also should be considered when evaluating postmenopausal bleeding...
May 2018: Obstetrics and Gynecology
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