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https://www.readbyqxmd.com/read/28928924/giant-pulmonary-teratoma-with-huge-splenic-lymphangiomatosis-a-very-rare-case
#1
Hemail M Alsubaie, Khaled M Alsubaie, Mohammed Eid Mahfouz
Teratomas are tumors composed of tissues derived from more than one germ cell line. They manifested with a great variety of clinical and radiological features. We report a case of a giant left hemithorax teratoma in a female with huge spleen tumor and review the relevant literature. A 38-year-old female with progressively aggravating dyspnea at rest from a mild trauma. Absent breath sounds on the left side. There was splenomegaly. Computed tomography scan revealed a huge mass (20 × 15 × 18 cm), containing elements of heterogeneous density in the left hemithorax...
September 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28928884/anti-melanoma-activities-of-haspin-inhibitor-chr-6494-deployed-as-a-single-agent-or-in-a-synergistic-combination-with-mek-inhibitor
#2
Lili Han, Peiling Wang, Yang Sun, Sijing Liu, Jun Dai
Background: Melanoma is a heterogeneous malignancy that presents an immense challenge in therapeutic development. Recent approaches targeting the oncogenic MAP kinase pathways have shown tremendous improvement in the overall survival of patients with advanced melanoma. However, there is still an urgent need for identification of new strategies to overcome drug resistances and to improve therapeutic efficacy. Haspin (Haploid Germ Cell-Specific Nuclear Protein Kinase) belongs to a selected group of mitotic kinases and is required for normal mitosis progression...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28928162/therapeutic-drug-monitoring-of-carboplatin-in-high-dose-protocol-ti-ce-for-advanced-germ-cell-tumors-pharmacokinetic-results-of-a-phase-2-multicenter-study
#3
Sotheara Moeung, Christine Chevreau, Sophie Broutin, Jérôme Guitton, Bénédicte Lelièvre, Joseph Ciccolini, Christophe Massard, Aude Fléchon, Rémy Delva, Gwenaëlle Gravis, Jean-Pierre Lotz, Jacques-Olivier Bay, Marine Gross-Goupil, Angelo Paci, Sabrina Marsili, Laurence Malard, Etienne Chatelut, Fabienne Thomas
PURPOSE: We aimed to evaluate the performance of therapeutic drug monitoring (TDM) approach in controlling inter-patient variability of carboplatin exposure (AUC) in patients treated with TI-CE high-dose chemotherapy for advanced germ cell tumors and to assess the possibility of using a formula-based dosing method as a possible alternative. EXPERIMENTAL DESIGN: Eighty nine patients receiving carboplatin for 3 consecutive days during 3 cycles were evaluable for pharmacokinetic study...
September 19, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28921473/the-development-and-diversity-of-ilcs-nk-cells-and-their-relevance-in-health-and-diseases
#4
Yuxia Zhang, Bing Huang
Next to T and B cells, natural killer (NK) cells are the third largest lymphocyte population. They are recently re-categorized as innate lymphocytes (ILCs), which also include ILC1, ILC2, ILC3, and the lymphoid tissue inducer (LTi) cells. Both NK cells and ILC1 cells are designated as group 1 ILCs because they secrete interferon-γ (IFN-γ) and tumor necrosis factor (TNF). However, in contrast to ILC1 and all other ILCs, NK cells possess potent cytolytic functions that resemble cytotoxic T lymphocytes (CTL)...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28921451/distribution-of-malignant-lymphomas-in-the-anterior-mediastinum-a-single-institution-study-of-76-cases-in-japan-1997-2016
#5
Akiko Miyagi Maeshima, Hirokazu Taniguchi, Tomotaka Suzuki, Sayako Yuda, Kosuke Toyoda, Nobuhiko Yamauchi, Shinichi Makita, Suguru Fukuhara, Wataru Munakata, Dai Maruyama, Yukio Kobayashi, Kensei Tobinai
We analyzed the distribution of tumors and lymphomas of the anterior mediastinum diagnosed between 1997 and 2016 at the National Cancer Center Hospital, Japan. The median age of 283 patients with anterior mediastinal tumors was 48 (range 6-84) years, and 143 (51%) were male. The incidence of tumors was as follows: thymoma, 34%; thymic carcinoma, 16%; primary mediastinal large B-cell lymphoma (PMBL), 13%; germ cell tumors, 10%; classical Hodgkin lymphoma (CHL), 9%; thymic cyst, 7%; metastatic tumors, 3%; T lymphoblastic leukemia/lymphoma (T-LBL), 2%; other lymphomas, 3%; and others, 3%...
September 18, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28919321/clinicopathological-pattern-and-outcome-of-pediatric-malignant-ovarian-germ-cell-tumors-south-egypt-cancer-institute-experience
#6
Amany Ali, Heba Sayed, Mohamed Salem, Mohamed Hamdy, Amro Farok
BACKGROUND: Malignant ovarian germ cell tumors (MOGCTs) are rare and represent 1-1.5% of all cancers in children and adolescents. The aim of this study is to analyze the clinicopathological pattern at presentation and management and outcome of MOGCTs in children and adolescents. PATIENTS AND METHODS: Retrospective study included all girls diagnosed with MOGCTs between January 2005 and January 2015 in Pediatric and Surgical Oncology Departments at South Egypt Cancer Institute, Assiut University...
September 1, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28911263/potential-role-of-oct4-in-leukemogenesis
#7
Tiphanie Picot, Sanae Kesr, Yuenv Wu, Carmen Aanei, Pascale Flandrin-Gresta, Sylvie Tondeur, Emmanuelle Tavernier, Eric Wattel, Denis Guyotat, Lydia Campos
Embryonic stem cells typically show properties of long term self-renewal and lack of differentiation. When appropriately stimulated, they are able to differentiate into all cell lineages, and lose their self-renewal characteristics. These properties are controlled by a series of genes encoding several transcription factors including OCT4, the product of POU5F1 gene. OCT4 is expressed in germ-cell tumors, but also aberrantly in cancers developing in differentiated tissues. In a previous study, we observed a high expression of OCT4 in acute myeloid cell lines and primary cells, regardless of the Acute Myeloid Leukemia subtype...
September 14, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28906275/vv-ecmo-assisted-high-risk-endobronchial-stenting-as-rescue-for-asphyxiating-mediastinal-mass
#8
Brandon T Nokes, Laszlo Vaszar, Jama Jahanyar, Karen L Swanson
The use of venovenous extracorporeal membrane oxygenation (VV-ECMO) has traditionally been limited to a narrow set of clinical circumstances, such as acute hypoxic respiratory failure, submassive pulmonary embolism, and cardiopulmonary collapse. Within the pediatric population, there have been cases of VV-ECMO in the context of extrinsic airway compression by a mediastinal mass, typically in the setting of either a lymphoma or germ cell tumors. However, the use of VV-ECMO for adults with extrinsic airway compression is comparatively limited...
September 12, 2017: Journal of Bronchology & Interventional Pulmonology
https://www.readbyqxmd.com/read/28905790/re-genetic-determinants-of-cisplatin-resistance-in-patients-with-advanced-germ-cell-tumors
#9
Jerome P Richie
No abstract text is available yet for this article.
October 2017: Journal of Urology
https://www.readbyqxmd.com/read/28905508/tandem-thiotepa-with-autologous-hematopoietic-cell-rescue-in-patients-with-recurrent-refractory-or-poor-prognosis-solid-tumor-malignancies
#10
Diana S Osorio, Ira J Dunkel, Kelly Ann Cervone, Rakesh K Goyal, K M Steve Lo, Jonathan L Finlay, Sharon L Gardner
BACKGROUND: The purpose of this study was to determine the feasibility and tolerability of tandem courses of high-dose thiotepa with autologous hematopoietic cell rescue (AHCR) in patients with recurrent, refractory solid tumors who were ineligible for a single course of high-dose therapy due to greater than minimal residual disease. Patients with decreased hearing or poor renal function were eligible. PROCEDURE: Thiotepa was administered intravenously at a dose of 200 mg/m(2) /day (6...
September 14, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28905168/the-usefulness-of-testosterone-administration-in-identifying-false-positive-elevation-of-serum-human-chorionic-gonadotropin-in-patients-with-germ-cell-tumor
#11
Akitoshi Takizawa, Koji Kawai, Takashi Kawahara, Takahiro Kojima, Satoru Maruyama, Nobuo Shinohara, Shusuke Akamatsu, Tomomi Kamba, Terukazu Nakamura, Osamu Ukimura, Ryosuke Jikuya, Takeshi Kishida, Kenichi Kakimoto, Kazuo Nishimura, Toru Harabayashi, Satoshi Nagamori, Shinichi Yamashita, Yoichi Arai, Yoshitomo Sawada, Noritoshi Sekido, Hidefumi Kinoshita, Tadashi Matsuda, Tohru Nakagawa, Yukio Homma, Hiroyuki Nishiyama
OBJECTIVE: The pituitary production of human chorionic gonadotropin (hCG) can cause false-positive results during or after germ cell tumor (GCT) treatment. Because hypogonadism leads to pituitary hCG production, testosterone administration test (TAT) has been recommended for pituitary hCG diagnosis. However, little is known about its efficacy for the discrimination of pituitary hCG as detected by currently used hCG assays in treatment of GCT. We conducted a retrospective multicenter study to determine the usefulness of TAT...
September 13, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28904585/is-it-the-monster-teratoma-or-simply-meningomyelocele-our-experience-of-histological-surprise
#12
Suyash Singh, Jayesh Sardhara, Pradeep Sharma, Arun Kumar Srivastava, Kuntal Kanti Das, Kamlesh S Bhaisora, Anant Mehrotra, Awadhesh Kumar Jaiswal, Sanjay Behari, Raj Kumar
Teratomas are one of the most common tumors in newborn with excellent prognosis arises from totipotent primordial germ cells harboring two or three germ cell layers. The tumor has been titled "Great masquerade." The teratomas of sacrococcygeal region present with lower limb weakness, urinary or bowel obstruction, and swelling at lower back or intrauterine mass in ultrasound or complicated delivery. A 2-month-old male child presented with complaints of swelling over lumbosacral region with discharging punctum since birth...
April 2017: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/28904580/extradural-spinal-metastasis-in-ovarian-mixed-germ-cell-tumor
#13
Deepashu Sachdeva, Vikas Kumar, Ravindra Kumar Saran, Arvind Kumar Srivastava
Ovarian germ cell tumors (GCTs) are rare and affect mainly young girls and women. Two histological groups are distinguished: dysgerminomas and nondysgerminomatous tumors. These tumors have initial good responses to surgery and chemotherapy in 80% cases, but >75% of patients die due to complications of disease progression. There are very few case reports of mixed GCT with extradural spine metastases. We report a rare case of a 17-year-old girl who had undergone left salpingo-oophorectomy with omental and peritoneal biopsy for ovarian GCT with extradural spinal metastasis...
April 2017: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/28903391/cancer-testis-antigen-piwil2-suppresses-circadian-rhythms-by-regulating-the-stability-and-activity-of-bmal1-and-clock
#14
Yilu Lu, Xulei Zheng, Wei Hu, Shasha Bian, Zhiwei Zhang, Dachang Tao, Yunqiang Liu, Yongxin Ma
Circadian rhythms are regulated by transcriptional and post-translational feedback loops generated by appropriate functions of clock proteins. Rhythmic degradation of the circadian clock proteins is critical for maintenance of the circadian oscillations. Notably, circadian clock does not work during spermatogenesis and can be disrupted in tumors. However, the underlying mechanism that suppresses circadian rhythms in germ cells and cancer cells remains largely unknown. Here we report that the cancer/testis antigen PIWIL2 can repress circadian rhythms both in the testis and cancer cells...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28900334/massive-hemoptysis-a-rare-presentation-of-anterior-mediastinal-teratoma-in-an-adolescent
#15
Rajkumar M Meshram, S Abhisheik, Vaidehi Hardas, K Siddharth
Germ cell tumors are predominantly found in the gonads, and the most common extragonadal site is anterior mediastinum. Usual symptoms are cough, dyspnea, and fever, chest pain due to mass effect or intrapulmonary invasion but hemoptysis is rare and may result from either communication with tracheobronchial tree or may result from bronchial bleeding due to irritation by tumor. As in our case, patient presenting with massive hemoptysis and shock are the rarest presentation of a benign teratoma.
April 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/28900333/ruptured-malignant-ovarian-tumor-in-an-adolescent-girl-a-rare-case-report
#16
Kanika Chopra, Swati Agrawal, Kiran Aggarwal, Ratna Biswas
Germ cell tumors which arise mainly in pediatric and adolescent age group, account for 30% of all ovarian tumors, but constitute only 5% of all malignant ovarian tumors. The presentation is usually insidious with the patient presenting with abdominal swelling and dull aching pain. We report a rare case of a malignant germ cell tumor in a 12-year-old girl who presented with acute abdomen due to spontaneous rupture of tumor resulting in hemoperitoneum. The patient was taken up for emergency laparotomy and left salpingo-opherectomy with omentectomy and drainage of hemoperitoneum was done...
April 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/28893722/parental-occupational-exposure-to-organic-solvents-and-testicular-germ-cell-tumors-in-their-offspring-nord-test-study
#17
Charlotte Le Cornet, Béatrice Fervers, Eero Pukkala, Tore Tynes, Maria Feychting, Johnni Hansen, Kayo Togawa, Karl-Christian Nordby, Susanne Oksbjerg Dalton, Sanni Uuksulainen, Pernilla Wiebert, Torill Woldbæk, Niels E Skakkebæk, Ann Olsson, Joachim Schüz
BACKGROUND: Testicular germ cell tumors (TGCT) were suggested to have a prenatal environmentally related origin. The potential endocrine disrupting properties of certain solvents may interfere with the male genital development in utero. OBJECTIVES: We aimed to assess the association between maternal and paternal occupational exposures to organic solvents during the prenatal period and TGCT risk in their offspring. METHODS: This registry-based case control study included TGCT cases aged 14-49 y (n=8,112) diagnosed from 1978 to 2012 in Finland, Norway, and Sweden...
June 30, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28891094/regulation-of-the-tumor-suppressor-pten-by-natural-anticancer-compounds
#18
REVIEW
Do-Hee Kim, Jinyoung Suh, Young-Joon Surh, Hye-Kyung Na
The tumor suppressor phosphatase and tensin homologue (PTEN) has phosphatase activity, with phosphatidylinositol (3,4,5)-trisphosphate (PIP3), a product of phosphatidylinositol 3-kinase (PI3K), as one of the principal substrates. PTEN is a negative regulator of the Akt pathway, which plays a fundamental role in controlling cell growth, survival, and proliferation. Loss of PTEN function has been observed in many different types of cancer. Functional inactivation of PTEN as a consequence of germ-line mutations or promoter hypermethylation predisposes individuals to malignancies...
August 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28890156/the-microbiota-influences-cell-death-and-microglial-colonization-in-the-perinatal-mouse-brain
#19
Alexandra Castillo-Ruiz, Morgan Mosley, Arlene J George, Lamiyah F Mussaji, Evan F Fullerton, Elara M Ruszkowski, Andrew J Jacobs, Andrew T Gewirtz, Benoit Chassaing, Nancy G Forger
The mammalian fetus develops in a largely sterile environment, and direct exposure to a complex microbiota does not occur until birth. We took advantage of this to examine the effect of the microbiota on brain development during the first few days of life. The expression of anti- and pro-inflammatory cytokines, developmental cell death, and microglial colonization in the brain were compared between newborn conventionally colonized mice and mice born in sterile, germ-free (GF) conditions. Expression of the pro-inflammatory cytokines interleukin 1β and tumor necrosis factor α was markedly suppressed in GF newborns...
September 7, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28890069/shrinking-hepatic-hemangiomas-in-a-patient-treated-for-metastatic-germ-cell-tumor
#20
Reeta Barua, Alexander Magony, Korosh Khalili, Philippe L Bedard, Aaron R Hansen, Jeremy Lewin
No abstract text is available yet for this article.
August 31, 2017: Clinical Genitourinary Cancer
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