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https://www.readbyqxmd.com/read/28635396/microrna-34a-inhibits-tumor-invasion-and-metastasis-in-osteosarcoma-partly-by-effecting-c-iap2-and-bcl-2
#1
Jie Wen, Yan-Kun Zhao, Yan Liu, Jin-Feng Zhao
Osteosarcoma is a common primary malignant bone tumor that occurs mainly in children and adolescents. Recent evidence has demonstrated that miR-34a is involved in the invasion and metastasis of osteosarcoma. This study aims to explore the effect of biological behavior of miR-34a on osteosarcoma. First, we collect osteosarcoma and adjacent specimens, and the relative expression of miR-34a and C-IAP2 messenger RNA was quantitated by real-time polymerase chain reaction. Furthermore, miR-34a stimulant is synthesized and transfected onto osteosarcoma MG-63 cells...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28632813/cutaneous-metastasis-of-a-pulmonary-carcinoid-tumor
#2
Leyre Falto-Aizpurua, Sarah Seyfer, Bhuvaneswari Krishnan, Ida Orengo
Carcinoid tumors are uncommon neoplasms of neuroendocrine origin that generally arise in the gastrointestinal or bronchopulmonary tracts and typically are characterized by an indolent clinical course. Metastases from these primary neoplasms more commonly affect the viscera, with rare reports of cutaneous metastases to the skin. We report the case of a patient with a cutaneous carcinoid metastasis that was incidentally brought to our attention because of the exquisite tenderness of the lesion. A brief review of the literature also is provided...
May 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/28632797/approach-to-management-of-giant-basal-cell-carcinomas
#3
Sarah E Mott, William J Hunter, Edibaldo Silva, Christopher J Huerter
Basal cell carcinoma (BCC) is a common nonmelanoma skin cancer with increasing incidence in the United States and worldwide. It is strongly linked to UV radiation exposure and typically is slow growing. Malignancy in BCCs is due to local growth and invasion rather than metastasis, and the prognosis is generally favorable. We report the case of a 60-year-old man with a large, locally destructive giant BCC on the right side of the upper back that was successfully treated via complete surgical excision (SE) and did not recur in the subsequent 36 months...
May 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/28616154/cutaneous-presentation-of-gastrointestinal-adenocarcinoma
#4
Aditi Halder, Artiene Tatian, A Cristina Vargas, Rooshdiya Karim, Mark Latt
Seeding of a central nervous system malignancy to the abdominal cavity is an uncommon but well documented complication of a ventriculoperitoneal (VP) shunt. However, the metastasis of a primary gastrointestinal cancer to the skin via a VP shunt is extremely rare. We report the clinical case of an 85-year-old male who presented with a right upper quadrant nodule over his shunt, which on histopathology and tumour marker profile was diagnosed as an adenocarcinoma of likely upper gastrointestinal origin. This case illustrates the importance of proceeding to biopsy to inform prognosis and management, despite the risks of shunt infection...
June 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28614598/pulmonary-adenocarcinoma-diagnosed-by-incisional-skin-metastasis-in-an-old-scar-from-a-non-neoplastic-surgery
#5
B R Ferreira, M M Brites, J C Cardoso, J P Reis
No abstract text is available yet for this article.
June 14, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28589064/assessment-and-improvement-of-quality-of-life-in-patients-undergoing-treatment-for-head-and-neck-cancer
#6
Aamina Majid, Bushra Z Sayeed, Maryam Khan, Murk Lakhani, Mariam M Saleem, Hina Rajani, Priyanka Ramesh, Nauman Hashmani, Muneeba Zia, Husnain Abid, Bushra Majid, Momal Jamali, Kinza Murtaza, Aneeqa Kamal, Maryam Hussain
INTRODUCTION: We compared the pre and post-treatment quality of life in head and neck cancer (HNC) patients and identified factors that could improve the quality of life in such patients.   Methods: The European Organization for Research and Treatment of Cancer Quality of Life Questionnaire C30 (EORTC QLQ-C30) questionnaire was administered to 84 patients' pre and post-treatment. Patients who had non-metastatic, measurable, and untreated HNCs were invited, provided that their age was below 80 years...
May 2, 2017: Curēus
https://www.readbyqxmd.com/read/28584630/connexin-43-key-roles-in-the-skin
#7
Xiao-Fei Zhang, Xiaofeng Cui
Gap junctions are tightly packed intercellular channels that serve a common purpose of allowing the intercellular exchange of small metabolites, second messengers and electrical signals. Connexins (Cxs) are gap junction proteins. Currently, 20 and 21 members of Cxs have been characterized in mice and humans, respectively. Connexin 43 (Cx43) is the most ubiquitously expressed type of Cx in the skin. It is produced by various different types of skin cell, such as keratinocytes, fibroblasts, endothelial and basal cells, melanocytes and dermal papilla cells...
June 2017: Biomedical Reports
https://www.readbyqxmd.com/read/28575850/deletion-of-tumor-suppressors-adenomatous-polyposis-coli-and-smad4-in-murine-luminal-epithelial-cells-causes-invasive-prostate-cancer-and-loss-of-androgen-receptor-expression
#8
Kenneth C Valkenburg, Angelo M De Marzo, Bart O Williams
Prostate cancer is the most diagnosed non-skin cancer in the US and kills approximately 27,000 men per year in the US. Additional genetic mouse models are needed that recapitulate the heterogeneous nature of human prostate cancer. The Wnt/beta-catenin signaling pathway is important for human prostate tumorigenesis and metastasis, and also drives tumorigenesis in mouse models. Loss of Smad4 has also been found in human prostate cancer and drives tumorigenesis and metastasis when coupled with other genetic aberrations in mouse models...
May 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28570324/neurologic-complications-of-lymphoma-leukemia-and-paraproteinemias
#9
Michelle L Mauermann
PURPOSE OF REVIEW: This article reviews the spectrum of neurologic complications associated with lymphoma, leukemia, and paraproteinemic disorders. While leptomeningeal metastasis is the most common complication of lymphoma and leukemia and peripheral neuropathy is the most common complication of paraproteinemic disorders, clinicians need to be familiar with the diverse neurologic complications of these disorders. RECENT FINDINGS: Lymphomatous nervous system involvement can be difficult to diagnose, especially when it is the presenting symptom...
June 2017: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/28553044/postrenal-transplant-metastatic-colonic-neoplasm-posttransplant-lymphoproliferative-disorder-or-adenocarcinoma
#10
H Lal, P Yadav, M Dey, N Kumar
Transplant recipients are vulnerable to a horde of infections and neoplastic conditions due to immunosuppression. Posttransplant lymphoproliferative disorder (PTLD) is a condition unique to the transplant recipient occurring due to monoclonal lymphocytic proliferation. It may affect any organ system with reportedly highest incidence in the gastrointestinal tract. The incidence of adenocarcinoma of the colon, however, has not been shown to be uniformly higher in transplant recipients. We report here an unusual case of adenocarcinoma of the ascending colon presenting with liver, lymph node and skin metastasis in a transplant recipient, which simulated PTLD both clinically and radiologically...
May 2017: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/28550787/apocrine-sweat-gland-adenocarcinoma-a-rare-case-report-and-review
#11
Arthur Paredes Gatti, Luiza Tonello, William Pfaffenzeller, Fernando Oliveira Savóia, Diego Inácio Goergen, Rodrigo De Pieri Coan, Uirá Fernandes Teixeira, Fábio Luiz Waechter, Paulo Roberto Ott Fontes
INTRODUCTION: Primary apocrine sweat gland carcinoma (PASGC) is an extremely rare neoplasia whose management and treatment are still evolving. The only curative therapy is wide local excision. Many patients have metastasis at the time of the diagnosis, mainly because this neoplasm has been misdiagnosed as some benign skin lesions. PRESENTATION OF CASE: We herein report a case of a 72-year-old-man with PASGC affecting the axilla and regional lymph nodes that underwent surgical resection and lymphadenectomy at our Institution...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28543620/squamous-cell-carcinoma-in-the-afro-caribbean-community-an-11-year-retrospective-study
#12
Nadège Cordel, Lucie Bonnecarrère, Benoit Tressières
BACKGROUND: Squamous cell carcinoma (SCC) is considered the most frequent skin cancer in black people. Its incidence is not known in the Afro-Caribbean population. OBJECTIVE: To assess the incidence of SCC in Guadeloupe, the largest island of the Lesser Antilles (405 000 inhabitants, mostly black people of African and European descent). The second objective was to characterize clinical and histological patterns of SCC occurring in the Afro-Caribbean community. METHODS: This retrospective study was conducted over an 11-year period (2000-2010)...
May 22, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28540062/frequency-and-locations-of-systemic-metastases-in-merkel-cell-carcinoma-by-imaging
#13
Maria Kouzmina, Virve Koljonen, Junnu Leikola, Tom Böhling, Eila Lantto
BACKGROUND: The primary neuroendocrine skin cancer, Merkel cell carcinoma (MCC), has a well-known predilection to metastasize systemically. However, the experience of systemic metastases in MCC is mainly disseminated through case reports due to the rarity of MCC. PURPOSE: To elucidate the frequency and locations of systemic metastasis in MCC by reviewing the imaging of patients with metastatic MCC in a national cohort. MATERIAL AND METHODS: Patients with diagnosed metastatic MCC by imaging studies in Finland during 1999-2012 were included in this study...
March 2017: Acta Radiologica Open
https://www.readbyqxmd.com/read/28539983/-clown-nose-as-first-manifestation-of-squamous-cell-carcinoma-of-the-lung
#14
Joaquim Marcoval, Laura Martínez-Molina, Montserrat Bonfill-Ortí, Francesc Valentí-Medina
BACKGROUND: Skin metastases occur in 0.7% to 9% of all patients with cancer and are usually considered a late event in the evolution of most visceral carcinomas. The development of a nodular metastatic lesion on the nasal tip is known as clown nose sign. MAIN OBSERVATION: We report a 64-year-old man that developed a nodular lesion on his nasal tip as first manifestation of squamous lung carcinoma. CONCLUSION: The biopsy of the cutaneous metastasis may be helpful to histopathologically confirm the suspected primary tumour avoiding invasive diagnostic procedures...
March 31, 2017: Journal of Dermatological Case Reports
https://www.readbyqxmd.com/read/28538886/cutaneous-angiosarcoma-report-of-three-different-and-typical-cases-admitted-in-a-unique-dermatology-clinic
#15
Aline Neves Freitas Cabral, Rafael Henrique Rocha, Ana Cristina Vervloet do Amaral, Karina Bittencourt Medeiros, Paulo Sérgio Emerich Nogueira, Lucia Martins Diniz
Angiosarcoma is a rare and aggressive tumor with high rates of metastasis and relapse. It shows a particular predilection for the skin and superficial soft tissues. We report three distinct and typical cases of angiosarcoma that were diagnosed in a single dermatology clinic over the course of less than a year: i) Angiosarcoma in lower limb affected by chronic lymphedema, featuring Stewart-Treves syndrome; ii) a case of the most common type of angiosarcoma loated in the scalp and face of elderly man and; iii) a skin Angiosarcoma in previously irradiated breast...
March 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28522135/metastasis-of-gallbladder-adenocarcinoma-to-the-skin-of-the-external-auditory-canal-a-case-report
#16
Valery Nuñez Carrasco, Jose Luis Serdio Arias, Juan Jose Artazkoz Del Toro, Leticia Melgar Vilaplana
No abstract text is available yet for this article.
May 15, 2017: Acta Otorrinolaringológica Española
https://www.readbyqxmd.com/read/28513496/intra-arterial-chemotherapy-for-retinoblastoma-two-year-results-from-tertiary-eye-care-center-in-india
#17
Pukhraj Rishi, Tarun Sharma, Minal Sharma, Aditya Maitray, Abhinav Dhami, Vishvesh Aggarwal, Saravanan Munusamy, R Ravikumar, Satheesh Ramamurthy
AIM: The aim of this study is to describe treatment outcomes and complications of selective intra-arterial chemotherapy (IAC) for intraocular retinoblastoma (RB). MATERIALS AND METHODS: A retrospective, interventional series of 10 eyes with RB which underwent IAC using melphalan (5 mg/7.5 mg) and topotecan (1 mg), or melphalan (5 mg/7.5 mg) alone. Treatment outcomes were evaluated in terms of tumor control, vitreous seeds (VS) and subretinal seeds (SRS) control, and globe salvage rates...
April 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28499369/characterization-of-a-splice-site-mutation-in-the-tumor-suppressor-gene-flcn-associated-with-renal-cancer
#18
Malte P Bartram, Tripti Mishra, Nadine Reintjes, Francesca Fabretti, Hakam Gharbi, Alexander C Adam, Heike Göbel, Mareike Franke, Bernhard Schermer, Stefan Haneder, Thomas Benzing, Bodo B Beck, Roman-Ulrich Müller
BACKGROUND: Renal cell carcinoma is among the most prevalent malignancies. It is generally sporadic. However, genetic studies of rare familial forms have led to the identification of mutations in causative genes such as VHL and FLCN. Mutations in the FLCN gene are the cause of Birt-Hogg-Dubé syndrome, a rare tumor syndrome which is characterized by the combination of renal cell carcinoma, pneumothorax and skin tumors. METHODS: Using Sanger sequencing we identify a heterozygous splice-site mutation in FLCN in lymphocyte DNA of a patient suffering from renal cell carcinoma...
May 12, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/28497756/s-1-versus-placebo-in-patients-with-sorafenib-refractory-advanced-hepatocellular-carcinoma-s-cube-a-randomised-double-blind-multicentre-phase-3-trial
#19
Masatoshi Kudo, Michihisa Moriguchi, Kazushi Numata, Hisashi Hidaka, Hironori Tanaka, Masafumi Ikeda, Seiji Kawazoe, Shinichi Ohkawa, Yozo Sato, Shuichi Kaneko, Junji Furuse, Madoka Takeuchi, Xuemin Fang, Yoshito Date, Masahiro Takeuchi, Takuji Okusaka
BACKGROUND: Unresectable advanced hepatocellular carcinoma is a heterogeneous disease, for which sorafenib is the first targeted agent approved for first-line therapy, and treatment options for patients with sorafenib-refractory advanced hepatocellular carcinoma are limited. We assessed the efficacy and safety of S-1, a chemotherapeutic agent based on fluorouracil, in patients with sorafenib-refractory advanced hepatocellular carcinoma. METHODS: We did a randomised, double-blind, placebo-controlled, phase 3 study done at 57 sites in Japan...
June 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28493019/surgical-treatment-of-advanced-penile-cancer
#20
Ke Zhang, Xiang Wan, Huan Xu, Wenzhi Li, Juan Zhou, Ming-Xi Xu, Hai-Jun Yao, Zhong Wang
PURPOSE: To evaluate the therapeutic effect of surgery in patients with advanced penile cancer, who have a dismal prognosis. PATIENTS AND METHODS: Between September 2007 and July 2015, we treated 12 patients with surgical therapy. RESULTS: The median follow-up period for all the patients was 16 months (range 4-60 months). The outcome and concomitant symptoms were analyzed, and the survival rates were calculated. Three of the patients are currently alive...
May 10, 2017: Journal of Cancer Research and Clinical Oncology
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