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https://www.readbyqxmd.com/read/29793087/skin-allografting-activates-anti-tumor-immunity-and-suppresses-growth-of-colon-cancer-in-mice
#1
Xiang Li, Xu Lan, Grace Wang, Yi Liu, Ke Zhao, Shan-Zheng Lu, Xiao-Xi Xu, Gang-Gang Shi, Kui Ye, Bao-Ren Zhang, Yi-Ming Zhao, Hong-Qiu Han, Cai-Gan Du, Thomas E Ichim, Hao Wang
INTRODUCTION: The tumor cells could escape from the immune elimination through the immunoediting mechanisms including the generation of immunosuppressive or immunoregulative cells. By contrast, allograft transplantation could activate the immune system and induce a strong allogenic response. The aim of this study was to investigate the efficacy of allogenic skin transplantation in the inhibition of tumor growth through the activation of allogenic immune response. METHODS: Full-thickness skin transplantation was performed from C57BL/6 (H-2b ) donors to BALB/c (H-2d ) recipients that were receiving subcutaneous injection of isogenic CT26 colon cancer cells (2 × 106 cells) at the same time...
May 21, 2018: Translational Oncology
https://www.readbyqxmd.com/read/29792736/overutilization-of-health-care-resources-for-breast-pain
#2
Anne C Kushwaha, Kyungmin Shin, Megan Kalambo, Ravinder Legha, Karen E Gerlach, Megha Madhukar Kapoor, Wei T Yang
OBJECTIVE: The objective of this study is to analyze the incidence of women with breast pain who present to an imaging center and assess the imaging findings, outcomes, and workup costs at breast imaging centers affiliated with one institution. MATERIALS AND METHODS: Demographic characteristics of and imaging findings for female patients presenting with breast pain at three community breast imaging centers between January 1, 2014, and December 31, 2014, were reviewed...
May 24, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29792375/knowledge-and-attitudes-of-family-doctors-dermatologists-and-endocrinologists-on-sun-exposure-and-vitamin-d
#3
Arif Abu-Abed, Said Azbarga, Roni Peleg
OBJECTIVES: Vitamin D is an important component of bone metabolism. Skin cells synthesize vitamin D when exposed to the sun. However, prolonged sun exposure damages the skin and increases the risk for skin cancer. The objective is to evaluate and compare the attitudes and recommendations of family doctors, dermatologists, and endocrinologists on exposure to the sun and vitamin D. METHODS: In a cross-sectional study, a questionnaire was completed by personal interview in a study population of 78 family doctors, 21 dermatologists, and 22 endocrinologists...
May 24, 2018: Postgraduate Medicine
https://www.readbyqxmd.com/read/29790609/detection-of-hydroquinone-by-raman-spectroscopy-in-patients-with-melasma-before-and-after-treatment
#4
R Cabrera-Alonso, E Guevara, M G Ramírez-Elías, B Moncada, F J González
BACKGROUND: Melasma is an acquired, facial hyperpigmentation without a specific origin. It is regularly associated with multiple etiologic factors such as pregnancy, genetic, racial, and from estrogen administration. Among the methods to treat skin hyperpigmentation a series of skin bleaching agents have been used. At present, the most commonly used agent is known as hydroquinone. Nowadays, it is known that hydroquinone can cause cancer in animals with unknown relevance to humans. MATERIAL AND METHODS: In this work, Raman spectroscopy was used to observe the presence of hydroquinone in the skin of 18 patients who have been under treatment for melasma...
May 23, 2018: Skin Research and Technology
https://www.readbyqxmd.com/read/29790600/characterizing-the-tissue-dielectric-constant-of-skin-basal-cell-cancer-lesions
#5
H N Mayrovitz, S R Gildenberg, P Spagna, L Killpack, D A Altman
BACKGROUND: Measuring tissue dielectric constant (TDC) of cancer tissues to distinguish them from normal or non-cancerous tissues has been an active area of research that has targeted several different cancer types usually using in vitro specimens. The goal of this study was to determine if and to what extent TDC values measured in vivo at 300 MHz using a simple hand-held measuring device might differentiate between skin cancer lesions and non-cancerous skin. MATERIALS AND METHODS: Triplicate TDC measurements were made in 32 patients who were subsequently diagnosed with skin basal cell carcinoma (BCC) and in 14 patients subsequently diagnosed as having non-cancerous lesions...
May 23, 2018: Skin Research and Technology
https://www.readbyqxmd.com/read/29790143/-managing-the-adverse-effects-related-to-immune-checkpoint-inhibitors
#6
Hsiao-Hsuan Kuo, Wei-Wu Chen
Immune checkpoint inhibitors (ICIs) have become the new posterchild of cancer treatment in recent years largely due to their impressive clinical efficacy. Drugs targeting cytotoxic T- lymphocyte-associated antigen 4 (CTLA-4) and programmed cell death-1 (PD-1) antibodies, e.g., ipilimumab (Yervoy®), pembrolizumab (Keytruda®), and nivolumab (Opdivo®), reinvigorate cytotoxic T cells to kill cancer cells in patients. Despite the impressive clinical benefits, ICIs may induce immune-related adverse events (irAE) of the skin, gastrointestinal tract, liver, endocrine, and lung with a wide spectrum of severity...
June 2018: Hu Li za Zhi the Journal of Nursing
https://www.readbyqxmd.com/read/29789760/high-dose-rate-brachytherapy-in-treatment-of-non-melanoma-skin-cancer-of-head-and-neck-region-preliminary-results-of-a-prospective-single-institution-study
#7
Bita Kalaghchi, Ebrahim Esmati, Reza Ghalehtaki, Marzieh Gomar, Ramin Jaberi, Soraya Gholami, Somayyeh Babaloui, Mansoureh Nabavi, Sarvazad Sotoudeh, Nezhat Khanjani, Ali Kazemian, Farnaz Amouzegar-Hashemi, Mahdi Aghili, Marzieh Lashkari
Purpose: Skin cancers are the most common human malignancy with increasing incidence. Currently, surgery is standard of care treatment for non-melanoma skin cancers. However, brachytherapy is a growing modality in the management of skin cancers. Therefore, we aimed to assess the outcome of patients with non-melanoma skin cancers treated by high-dose-rate (HDR) brachytherapy with surface mold technique. Material and methods: In this prospective study, we recruited patients with basal cell carcinoma (BCC) and squamous cell carcinoma (SCC) of the skin who were candidates for definitive or adjuvant brachytherapy during 2013-2014...
April 2018: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/29789715/shared-and-independent-functions-of-apkc%C3%AE-and-par3-in-skin-tumorigenesis
#8
Susanne Vorhagen, Dominik Kleefisch, Oana-Diana Persa, Annika Graband, Alexandra Schwickert, Michael Saynisch, Michael Leitges, Carien M Niessen, Sandra Iden
The polarity proteins Par3 and aPKC are key regulators of processes altered in cancer. Par3/aPKC are thought to dynamically interact with Par6 but increasing evidence suggests that aPKC and Par3 also exert complex-independent functions. Whereas aPKCλ serves as tumor promotor, Par3 can either promote or suppress tumorigenesis. Here we asked whether and how Par3 and aPKCλ genetically interact to control two-stage skin carcinogenesis. Epidermal loss of Par3, aPKCλ, or both, strongly reduced tumor multiplicity and increased latency but inhibited invasion to similar extents, indicating that Par3 and aPKCλ function as a complex to promote tumorigenesis...
May 23, 2018: Oncogene
https://www.readbyqxmd.com/read/29789324/smoking-and-cutaneous-melanoma-findings-from-the-qskin-sun-and-health-cohort-study
#9
Jean Claude Dusingize, Catherine M Olsen, Nirmala Pandeya, Bridie S Thompson, Penelope M Webb, Adèle C Green, Rachel E Neale, David C Whiteman
BACKGROUND: Previous studies suggest that smokers have lower risks of cutaneous melanoma than non-smokers, but data from population-based prospective studies are scarce. We investigated associations between smoking and melanoma in a cohort study purpose-designed to investigate skin cancer outcomes. METHODS: Participants with no prior history of melanoma (n=38,697) completed a risk factor survey at baseline (2011). Patients were followed through linkage to the cancer registry...
May 22, 2018: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/29788989/loop-ostomy-following-laparoscopic-low-anterior-resection-for-rectal-cancer-after-neoadjuvant-chemoradiotherapy
#10
Xin Wu, Guole Lin, Huizhong Qiu, Yi Xiao, Bin Wu, Miner Zhong
BACKGROUND: Both loop ileostomy (LI) and loop transverse colostomy (LTC) could achieve absolute fecal diversion and have several advantages. This study compared LI and LTC following laparoscopic low anterior resection for rectal cancer after neoadjuvant chemoradiotherapy. METHODS: Between January 2009 and December 2016, 186 patients who underwent laparoscopic low anterior resection for rectal cancer and loop ostomy were included. All patients received preoperative neoadjuvant chemoradiotherapy...
May 22, 2018: European Journal of Medical Research
https://www.readbyqxmd.com/read/29788682/immediate-breast-reconstruction-following-nipple-sparing-mastectomy-in-an-asian-population-aesthetic-outcomes-and-mitigating-nipple-areolar-complex-necrosis
#11
Wan-Sze Pek, Bien-Keem Tan, Yvonne Ying Ru Ng, Veronique Kiak Mien Tan, Mohamed Zulfikar Rasheed, Benita Kiat Tee Tan, Kong Wee Ong, Yee Siang Ong
BACKGROUND: Nipple-sparing mastectomies (NSMs) are increasingly performed to obtain the best aesthetic and psychological outcomes in breast cancer treatment. However, merely preserving the nipple-areolar complex (NAC) does not guarantee a good outcome. Darkly pigmented NACs and a tendency for poor scarring outcomes are particular challenges when treating Asian patients. Herein, we review the reconstructive outcomes following NSM at Singapore General Hospital. METHODS: All breasts reconstructed following NSM over an 11-year period from 2005 to 2015 were reviewed...
May 2018: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/29786848/annual-report-to-the-nation-on-the-status-of-cancer-part-i-national-cancer-statistics
#12
Kathleen A Cronin, Andrew J Lake, Susan Scott, Recinda L Sherman, Anne-Michelle Noone, Nadia Howlader, S Jane Henley, Robert N Anderson, Albert U Firth, Jiemin Ma, Betsy A Kohler, Ahmedin Jemal
BACKGROUND: The American Cancer Society (ACS), the Centers for Disease Control and Prevention (CDC), the National Cancer Institute (NCI), and the North American Association of Central Cancer Registries (NAACCR) collaborate to provide annual updates on cancer occurrence and trends in the United States. METHODS: Incidence data were obtained from the CDC-funded and NCI-funded population-based cancer registry programs and compiled by NAACCR. Data on cancer deaths were obtained from the National Center for Health Statistics National Vital Statistics System...
May 22, 2018: Cancer
https://www.readbyqxmd.com/read/29785825/pembrolizumab-treatment-of-a-patient-with-xeroderma-pigmentosum-with-disseminated-melanoma-and-multiple-nonmelanoma-skin-cancers
#13
K H Kraemer, D Tamura, S G Khan
No abstract text is available yet for this article.
May 2018: British Journal of Dermatology
https://www.readbyqxmd.com/read/29785566/delineating-a-new-feature-of-constitutional-mismatch-repair-deficiency-cmmrd-syndrome-breast-cancer
#14
Lisa Bush, Melyssa Aronson, Uri Tabori, Brittany B Campbell, Raymond B Bedgood, Kory Jasperson
Constitutional mismatch repair deficiency (CMMRD) syndrome is a rare autosomal recessive hereditary cancer condition, characterized by an exceptionally high risk of cancer, a propensity for childhood malignancies, and cutaneous features reminiscent of neurofibromatosis type 1 (NF1). We report on two sisters originally suspected of having CMMRD syndrome due to their history of colonic polyps and NF1 associated skin findings, both were subsequently found to have biallelic MSH6 mutations. After years of CMMRD syndrome follow-up, the proband was diagnosed with breast cancer at age 29, while her sister was diagnosed with a glioblastoma at age 27...
May 21, 2018: Familial Cancer
https://www.readbyqxmd.com/read/29785006/the-era-of-immunogenomics-immunopharmacogenomics
#15
REVIEW
Makda Zewde, Kazuma Kiyotani, Jae-Hyun Park, Hua Fang, Kai Lee Yap, Poh Yin Yew, Houda Alachkar, Taigo Kato, Tu H Mai, Yuji Ikeda, Tatsuo Matsuda, Xiao Liu, Lili Ren, Boya Deng, Makiko Harada, Yusuke Nakamura
Although germline alterations and somatic mutations in disease cells have been extensively analyzed, molecular changes in immune cells associated with disease conditions have not been characterized in depth. It is clear that our immune system has a critical role in various biological and pathological conditions, such as infectious diseases, autoimmune diseases, drug-induced skin and liver toxicity, food allergy, and rejection of transplanted organs. The recent development of cancer immunotherapies, particularly drugs modulating the immune checkpoint molecules, has clearly demonstrated the importance of host immune cells in cancer treatments...
May 21, 2018: Journal of Human Genetics
https://www.readbyqxmd.com/read/29783238/clinical-efficiency-of-dynamic-observation-of-patients-with-epidermal-dysplasia-of-the-skin
#16
Oleg L Ziukov, Оlena O Oshyvalova
OBJECTIVE: Introduction: Non-melanoma skin cancer is the most common type of cancer among the population of Ukraine. The aim: The study of clinical efficacy of dynamic observation of patients with epidermal dysplasia of the skin. PATIENTS AND METHODS: Materials and methods: To study epidermal dysplasia of the skin there was used identifying information of patients, who were under dynamic observation of dermatologists of the State Scientific Institution "Research and Practical Centre of Preventive and Clinical Medicine" of the State Administration in 2013-2017...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29782648/patient-preferences-for-topical-treatment-of-actinic-keratoses-a-discrete-choice-experiment
#17
D Kopasker, A Kwiatkowski, R N Matin, C A Harwood, F Ismail, J T Lear, J Thomson, Z Hasan, G N Wali, A Milligan, L Crawford, I Ahmed, H Duffy, C M Proby, P F Allanson
BACKGROUND: Treatment of actinic keratoses (AK) is a potentially effective strategy for prevention of cutaneous squamous cell carcinoma (cSCC). However, the patient perspective on potential benefits of AK treatment in terms of skin cancer reduction has received little attention to date. OBJECTIVES: (1) To investigate patient preferences for AK topical treatments using a discrete choice experiment (DCE); (2) To evaluate patient willingness to trade between clinical benefit and medical burden...
May 21, 2018: British Journal of Dermatology
https://www.readbyqxmd.com/read/29782309/in-memoriam-assistant-professor-kre%C3%A5-imir-kostovi%C3%A4-md-phd-16-october-1969-15-october-2017
#18
Branka Marinović
On a Sunday afternoon almost six months ago, we were deeply moved by the news that our Krešimir is no longer with us. The sad news spread from Sarajevo with the speed only most horrible and saddest news can achieve. And everybody who was reached by these news wondered whether it was possible and whether it was true. Because our professor Kostović left us a day before his 48th birthday. Krešimir Kostović was born on the 16th October 1969 in Zagreb, where he completed primary and secondary education. He enrolled at the University of Zagreb School of Medicine in 1988, and got his medical degree in 1995...
April 2018: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/29782301/lymphangioma-circumscriptum-post-radiotherapy-for-penile-cancer-treated-with-co%C3%A2-laser
#19
Dietmar Schulz, Andreas Lein, Ancuta Proca Nicula, Katrin Schierle, Caius Solovan
Lymphangioma circumscriptum (LC) is a rare, benign condition, predominantly characterized by the malformation of lymphatic skin vessels. Its onset may be congenital or due to secondary causes such as radiotherapy, infections, or surgical procedures. We present the case of a 55-year-old patient with a pathologic history of squamous cell carcinoma of the penis followed by radical penectomy. Due to metastasis to the locoregional lymph nodes, the entire affected area was subsequently treated with radiation therapy, receiving a total dose of 55...
April 2018: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/29782294/the-value-of-high-frequency-20-mhz-ultrasonography-for-preoperative-measurement-of-cutaneous-melanoma-thickness
#20
Andrea Kozárová, Marek Kozár, Ingrid Tonhajzerová, Táňa Pappová, Eva Minariková
High-frequency ultrasonography has become an important diagnostic tool in dermatovenerology. It is used for assessment of the cutaneous layers in diverse benign and malignant skin lesions and diseases. Herein we present the practical value of preoperative measurement of cutaneous melanoma thickness, the explanation of the possible reasons for different sonographic and histologic Breslow thickness, and the practical importance of high-frequency 20 MHz ultrasonography in preoperative measurements of cutaneous melanoma thickness...
April 2018: Acta Dermatovenerologica Croatica: ADC
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