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https://www.readbyqxmd.com/read/28228901/primary-choriocarcinoma-of-the-bilateral-basal-ganglia-presenting-in-a-teenaged-male
#1
Brandon C Perry, Francisco A Perez, Jason N Nixon, Bonnie L Cole, Gisele Ishak
Primary intracranial choriocarcinoma (PICCC), a type of germ-cell tumor, is a very rare primary tumor of the central nervous system that generally arises in the pineal or suprasellar region. We present a case of a teenage boy with PICCC of the bilateral basal ganglia, an anatomic site for which we were unable to find the previous reports. We offer discussion of the differential diagnosis, imaging characteristics, and prognosis of PICCC and germ-cell tumors of the basal ganglia, in the hope that it will increase awareness and allow for early detection...
March 2017: Radiology case reports
https://www.readbyqxmd.com/read/28217736/gestational-choriocarcinoma-complicated-by-infective-endocarditis-during-chemotherapy
#2
Tadaharu Nakasone, Yutaka Nagai, Yoshihisa Arakaki, Yoshino Kinjyo, Yoichi Aoki
•Little is known about the history of cancer patients complicated with IE.•It is very important to do the chemotherapy without delay for choriocarcinoma.•We report a case of choriocarcinoma complicated by IE during EMA-CO.•An accurate diagnosis/prompt treatment decisions are important for cancer with IE.
May 2017: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/28189027/the-flame-retardant-2-2-4-4-tetrabromodiphenyl-ether-enhances-the-expression-of-corticotropin-releasing-hormone-in-the-placental-cell-model-jeg-3
#3
Yun Zhu, Yan Qin Tan, Chi Chiu Wang, Lai K Leung
Polybrominated diphenyl ethers (PBDEs) are chemicals used as flame retardants in household products. After disposing of these items, PBDEs leach from the products by surface water. BDE-47 is a PBDE congener commonly isolated from contaminated food and is the most studied isomer. The placenta is the major source of hormones during pregnancy, and an elevated level of corticotrophin-releasing hormone (CRH) is associated with premature delivery. In the present study, we examined changes in the placental CRH expression under BDE-47 exposure in the JEG-3 cell model system...
January 31, 2017: Chemosphere
https://www.readbyqxmd.com/read/28181701/primary-gastric-choriocarcinoma-developed-in-a-helicobacter-pylori-negative-patient
#4
Taro Iwatsubo, Noriya Uedo, Kazunobu Ishibashi
A woman in her fifties underwent esophagogastroduodenoscopy, which revealed a whitish large laterally spreading lesion with reddish nodule at the greater curvature (Fig. 1). The patient had no history of Helicobacter pylori (H. pylori) eradication therapy. Anti-H. pylori antibody was negative (<3 U/mL) and no H. pylori-like organism was detected in any of the biopsy specimens. Fundic-gland polyps were seen in the non-atrophic gastric mucosa. No lymph node and distant metastases were found by computed tomography scan...
February 9, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28168818/biochemical-analysis-of-intraplacental-choriocarcinoma-and-fetomaternal-transfusion
#5
Tatsuya Ishiguro, Kazuaki Suda, Takayuki Enomoto
Intraplacental choriocarcinoma is one of the rarest forms of gestational tumors and is believed to be one of the causes of fetomaternal transfusion (FMT). A 35-year-old woman, gravida 2, para 2, with a history of two vaginal deliveries, was incidentally diagnosed as having stage I gestational intraplacental choriocarcinoma with a FIGO/World Health Organization 2000 risk score of 2 after term delivery. This disease caused neonatal anemia but did not metastasize to either the mother or infant. Short tandem repeat analysis with laser microdissection revealed that the tumor had originated from the current pregnancy...
February 6, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28166073/ovarian-tumors-pattern-of-histomorphological-types-a-10-years-study-in-a-tertiary-referral-center-and-review-of-literature
#6
A Ghosh, D Ghartimagar, S Thapa, B Sathian, R Narasimhan, O P Talwar
Background Ovarian cancer accounts for 6% of all cancers in females. Among cancers of female genital tract, the incidence of ovarian cancers ranks below only carcinoma of the cervix and the endometrium. Objective To find the frequency of different types of histomorphological types and their association with age, side and size distribution. Method This study is a hospital based retrospective study carried out in the Department of Pathology, Manipal Teaching Hospital over a time period from Jan. 2006 to Sep. 2015...
April 2016: Kathmandu University Medical Journal (KUMJ)
https://www.readbyqxmd.com/read/28161066/genomic-profile-in-gestational-and-non-gestational-choriocarcinomas
#7
Julia Bette Homem de Mello, Priscila Daniele Ramos Cirilo, Odair Carlito Michelin, Maria Aparecida Custódio Domingues, Marilza Vieira Cunha Rudge, Silvia Regina Rogatto, Izildinha Maestá
INTRODUCTION: Gestational (GC) (derived from the placenta) and non-gestational (NGC) choriocarcinomas are trophoblastic diseases originated from abnormal proliferation of trophoblastic cells. These rare tumors share similar morphology and pathological features and differ on chemotherapy response, genetic origin and prognosis. In this study, the genomic profile of choriocarcinomas was performed according to their origin (GC or NGC) aiming to better understand these poorly characterized diseases...
February 2017: Placenta
https://www.readbyqxmd.com/read/28124545/robot-assisted-laparoscopic-retroperitoneal-lymph-node-dissection-in-testicular-tumor
#8
Fabio C M Torricelli, Denis Jardim, Giuliano B Guglielmetti, Vipul Patel, Rafael F Coelho
INTRODUCTION AND OBJECTIVE: Retroperitoneal lymph node dissection (RPLND) is indicated for patients with non-seminomatous germ cell tumor (NSGCT) with residual disease after chemotherapy. Although the gold standard approach is still the open surgery, few cases of robot-assisted laparoscopic RPLND have been described. Herein, we aim to present the surgical technique for robot-assisted laparoscopic RPLND. PATIENT AND METHOD: A 30 year-old asymptomatic man presented with left testicular swelling for 2 months...
January 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28118159/clear-cell-carcinoma-of-the-cervix-with-choriocarcinomatous-differentiation-report-of-an-extremely-rare-phenomenon-associated-with-mismatch-repair-protein-abnormality
#9
Pinias Mukonoweshuro, W Glenn McCluggage
The presence of trophoblastic differentiation or nongestational choriocarcinoma in a carcinoma is rare but has been described in various organs, including in the female genital tract. We report a cervical clear cell carcinoma admixed with a component of choriocarcinoma in a 52-year-old woman, only the second report of this combination in the literature. Immunohistochemically, the tumor exhibited isolated loss of staining with the mismatch repair protein MSH6. We review the literature on trophoblastic differentiation in cervical carcinoma...
December 12, 2016: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28117145/notch-signalling-in-placental-development-and-gestational-diseases
#10
S Haider, J Pollheimer, M Knöfler
Activation of Notch signalling upon cell-cell contact of neighbouring cells controls a plethora of cellular processes such as stem cell maintenance, cell lineage determination, cell proliferation, and survival. Accumulating evidence suggests that the pathway also critically regulates these events during placental development and differentiation. Herein, we summarize our present knowledge about Notch signalling in murine and human placentation and discuss its potential role in the pathophysiology of gestational disorders...
January 16, 2017: Placenta
https://www.readbyqxmd.com/read/28110753/cell-and-tissue-based-models-for-study-of-placental-development
#11
W R Huckle
Decades of research into the molecular mechanisms by which the placenta forms and functions have sought to improve prevention, diagnosis, and management of disorders of this vital tissue. This research has included development of experimental models intended to replicate behavior of the native placenta in both health and disease. Animal models devised in rodents, sheep, cattle, or other domestic animal species have the advantage of being biologically "complete," but all differ to some degree in developmental timing and anatomical details compared to the human, suggesting subtle differences in molecular mechanism...
2017: Progress in Molecular Biology and Translational Science
https://www.readbyqxmd.com/read/28110749/contribution-of-syncytins-and-other-endogenous-retroviral-envelopes-to-human-placenta-pathologies
#12
P-A Bolze, M Mommert, F Mallet
Fusion, proliferation, angiogenesis, immune tolerance, and tissue survival are some of the critical functions involved in the physiological and pathological processes of placenta development. Strikingly, some of these properties are shared by envelope glycoproteins of retroviruses. Part of the overall retroviral world, the human retroviral heritage consists of hundred thousands of elements representing a huge amount of genetic material as compared to our 25,000 genes, whereas only a few tenths of retroviral loci still contain envelope genes exhibiting large open reading frames...
2017: Progress in Molecular Biology and Translational Science
https://www.readbyqxmd.com/read/28104943/disseminated-gestational-choriocarcinoma-presenting-with-hepatic-and-uveal-metastases-hook-effect-and-choriocarcinoma-syndrome
#13
Yashant Aswani, Hemangini Thakkar, Priya Hira
Choriocarcinoma is a human chorionic gonadotrophin (HCG)-secreting tumor that comprises vascular channels. It has a tendency for widespread metastasis, common sites for which include the lung, vagina, brain, liver, bone, intestine, and kidney. We describe a 30-year-old female who presented with hepatitis-like features and bilateral diminution of vision, and subsequently developed hemothorax and hemoperitoneum-all rare and seemingly unrelated manifestations which were finally attributable to metastases from gestational choriocarcinoma...
October 2016: Indian Journal of Radiology & Imaging
https://www.readbyqxmd.com/read/28079767/primary-gastric-choriocarcinoma-presenting-as-a-pregnancy-of-unknown-location
#14
Alyssa Larish, Amanika Kumar, Sarah Kerr, Carrie Langstraat
BACKGROUND: Pregnancy of unknown location presents a diagnostic challenge, in rare occasions leading to the diagnosis of malignancy. We describe a case of β-hCG-secreting nongestational primary gastric choriocarcinoma presenting as a pregnancy of unknown location. CASE: A 37-year-old woman, gravida 4 para 3013, presented with several days of vaginal bleeding and rising β-hCG level without ultrasound localization of pregnancy. The diagnosis of pregnancy of unknown location was made and methotrexate administered at a β-hCG level of 7,779 milli-international units/mL...
February 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28060141/pd-l1-expression-in-premalignant-and-malignant-trophoblasts-from-gestational-trophoblastic-diseases-is-ubiquitous-and-independent-of-clinical-outcomes
#15
Pierre-Adrien Bolze, Sophie Patrier, Jérôme Massardier, Touria Hajri, Fatima Abbas, Anne Marie Schott, Fabienne Allias, Mojgan Devouassoux-Shisheboran, Gilles Freyer, François Golfier, Benoît You
OBJECTIVE: Recently reported expression of programmed cell death 1 ligand 1 (PD-L1) in gestational trophoblastic diseases (GTDs) suggests that the immune tolerance of pregnancy might be hijacked during neoplastic process. We assessed PD-L1 protein expression in premalignant and malignant GTD lesions and analyzed associations with disease severity and chemotherapy outcomes. METHODS: We included 83 GTD whole-tissue sections from 76 patients in different treatment settings...
March 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28054535/combined-prednisolone-and-pirfenidone-in-bleomycin-induced-lung-disease
#16
Preyas J Vaidya, H S Sandeepa, Tejinder Singh, S K Susheel Kumar, Rajat Bhargava, Gopal Ramakrishnan, Prashant N Chhajed
Bleomycin is a cytostatic drug commonly employed in the treatment of Hodgkin's disease, seminomas, and choriocarcinoma. Bleomycin may induce a chronic pulmonary inflammation that may progress to fibrosis. So far, only corticosteroids have been used in the treatment of bleomycin-induced lung disease with variable results. Pirfenidone is an antifibrotic drug that has been approved for the treatment of idiopathic pulmonary fibrosis. We report two cases of bleomycin-induced lung disease treated successfully with pirfenidone and oral corticosteroids...
July 2016: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28054346/optimized-logic-rules-reveal-interferon-%C3%AE-induced-modes-regulated-by-histone-deacetylases-and-protein-tyrosine-phosphatases
#17
Daniel Van Twisk, Shawn P Murphy, Juilee Thakar
The pro-inflammatory cytokine interferon-γ (IFN-γ) is critical for activating innate and adaptive immunity against tumours and intracellular pathogens. Interferon-γ is secreted at the fetal-maternal interface in pregnant women and mice. The outer layer of the placenta in contact with maternal blood is composed of semi-allogeneic trophoblast cells, which constitute the fetal component of the fetal-maternal interface. The simultaneous presence of pro-inflammatory IFN-γ and trophoblast cells at the fetal-maternal interface appears to represent an immunological paradox, for trophoblastic responses to IFN-γ could potentially lead to activation of maternal immunity and subsequent attack of the placenta...
January 5, 2017: Immunology
https://www.readbyqxmd.com/read/28050451/choriocarcinoma-in-ongoing-pregnancy-presenting-with-intracranial-metastasis
#18
Sujata Siwatch, Vanita Suri, Pooja Sikka, Neelam Aggarwal, Seema Chopra
Choriocarcinoma presents usually as persistent trophoblastic disease, with prognosis worsening with duration from antecedent pregnancy. We present a unique case of a woman with choriocarcinoma who presented in the third trimester of pregnancy with eclampsia. She was managed with magnesium sulphate and underwent a caesarean section. However, she developed seizures in the post-partum period that were further investigated and attributed to intracranial metastatic lesions of Gestational Trophoblastic Neoplasia (GTN)...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28040140/gestational-choriocarcinoma-with-renal-and-pulmonary-metastases-lacking-a-primary-uterine-origin
#19
Hao-Ming Li, Wen-Chien Hou, Yu-Ju Lai, Chien-Chang Kao, Tai-Kuang Chao, Mu-Hsien Yu, Her-Young Su
OBJECTIVE: We describe a case of gestational choriocarcinoma metastasized to the kidney and lung, which presented initially as refractory hematuria after a term pregnancy 5 years earlier. CASE REPORT: A 35-year-old woman, G2P1, with a previous history of full-term pregnancy in 2009, presented to the emergency department complaining of intermittent gross hematuria for 2 months. Abdominal computed tomography showed a suspicious arteriovenous malformation in the right kidney and a thrombus within the right renal vein...
December 2016: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28033262/primary-pulmonary-choriocarcinoma-in-a-male-that-was-successfully-diagnosed-and-treated-a-case-report-and-review-of-the-literature
#20
REVIEW
Ran Zhu, Congwei Jia, Jie Yan, Yufeng Luo, Zhen Huo
INTRODUCTION: Primary pulmonary choriocarcinoma (PPC) is extremely rare, especially in males. It is characterized by a poor response to therapy and shortened survival times. Here, we report a successful diagnosis and modified treatment for PPC in a male and a review of the literature. CASE PRESENTATION: This case report describes a 67-year-old male who was discovered to have a left pulmonary mass. The patient underwent a pulmonary lobectomy. Pathological examination showed a poorly biphasic differential tumor...
December 2016: Medicine (Baltimore)
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