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https://www.readbyqxmd.com/read/28435394/the-role-of-mast-cells-in-oral-squamous-cell-carcinoma
#1
REVIEW
Swetha Gudiseva, Arvind Babu Rajendra Santosh, Raviteja Chitturi, Vamsikrishna Anumula, Chandrashekar Poosarla, Venkat Ramana Reddy Baddam
The mast cells are initial effective lineage in both humoral and adaptive immunity. They are ubiquitous in skin, mucosa, and in function. They contain biologically essential and dynamic mediators in healthy and harmful conditions of tissue. Mast cell malfunctioning could be attributed to various chronic allergic diseases. Considerately, emerging evidence of mast cell involvement in various cancers shows them to have both positive and negative roles in tumour growth. It mostly indulges in tumour progression and metastasis via angiogenesis, extracellular matrix degradation, and mitogenic activity in the tumour microenvironment...
2017: Contemporary Oncology Współczesna Onkologia
https://www.readbyqxmd.com/read/28432678/anal-metastasis-of-rectal-cancer-adenocarcinoma-of-squamous-cells-a-case-report-and-literature-review
#2
Shun Sasaki, Masahiko Sugiyama, Yu Nakaji, Ryota Nakanishi, Yuichiro Nakashima, Hiroshi Saeki, Eiji Oki, Yoshinao Oda, Yoshihiko Maehara
Anal metastasis of colorectal cancer is very rare and is usually associated with a history of anal disease, including anal fistula, fissure, hemorrhoidectomy, and anastomotic injury. We report a case of rectal cancer with a synchronous anal metastasis consisting of adenocarcinoma of squamous cells without a history of anal disease. A 60-year-old woman had a chief complaint of melena. She had a 1.5-cm anal tumor on the perianal skin, and a Bollman type 2 rectal tumor on the Ra portion was found on colonoscopy...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28429105/increased-expression-of-upa-upar-and-pai-1-in-psoriatic-skin-and-in-basal-cell-carcinomas
#3
K A Rubina, V Yu Sysoeva, E I Zagorujko, Z I Tsokolaeva, M I Kurdina, Ye V Parfyonova, V A Tkachuk
There is substantial evidence implicating the urokinase system in tissue remodeling during neo-vascularization, inflammation, tumor invasion, and metastasis. Regulated degradation of the extracellular matrix at the leading edge of migrating cells, mediated by uPA and uPAR, is required for tissue remodeling, invasiveness, and angiogenesis. Psoriasis and basal cell carcinoma (BCC) are the most common skin diseases. Pathogenesis of both of them is associated with keratinocyte hyperproliferation, inflammatory cell migration, and angiogenesis-processes in which the plasminogen system (uPA, uPAR, tPA, and PAI-1) plays a crucial role...
April 20, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28427198/hypoxia-activates-placental-growth-factor-expression-in-lymphatic-endothelial-cells
#4
Laura Tudisco, Augusto Orlandi, Valeria Tarallo, Sandro De Falco
Placental growth factor (PlGF), a proangiogenic member of vascular endothelial growth family, is active during pathological conditions like cancer, metastasis formation and hind limb ischemia and in wound healing. Endothelial cells express PlGF and hypoxia positively modulates in vitro its expression. To verify whether hypoxia modulates PlGF expression in different cellular contexts and in vivo, we first analyzed five human and five mouse cancer cell lines showing that in eight of them hypoxia positively modulates PlGF...
March 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28425064/a-pathway-to-personalizing-therapy-for-metastases-using-liver-on-a-chip-platforms
#5
A S Khazali, A M Clark, A Wells
Metastasis accounts for most cancer-related deaths. The majority of solid cancers, including those of the breast, colorectum, prostate and skin, metastasize at significant levels to the liver due to its hemodynamic as well as tumor permissive microenvironmental properties. As this occurs prior to detection and treatment of the primary tumor, we need to target liver metastases to improve patients' outcomes. Animal models, while proven to be useful in mechanistic studies, do not represent the heterogeneity of human population especially in drug metabolism lack proper human cell-cell interactions, and this gap between animals and humans results in costly and inefficient drug discovery...
April 19, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28418838/predicting-level-2-axillary-lymph-node-metastasis-in-a-chinese-breast-cancer-population-post-neoadjuvant-chemotherapy-development-and-assessment-of-a-new-predictive-nomogram
#6
Caigang Liu, Yanlin Jiang, Xin Gu, Zhen Xu, Liping Ai, Hao Zhang, Guanglei Chen, Lisha Sun, Yue Li, Hong Xu, Huizi Gu, Ying Yu, Yangyang Xu, Qiyong Guo
BACKGROUND: We aimed to develop a new nomogram to predict the probability of level 2 axillary lymph node metastasis (L-2-ALNM) in breast cancer (BC) patients treated with neoadjuvant chemotherapy (NAC). METHODS: Data were collected from 709 patients who received neoadjuvant chemotherapy and then underwent axillary lymph node (ALN) dissection between May 2009 and December 2015 at the Liaoning Cancer Hospital. The level 2 axillary lymph node metastasis (L-2-ALNM ) nomogram was created from the logistic regression model...
March 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28413658/subcutaneous-metastasis-arising-from-gastric-cancer-a-case-report
#7
Tsutomu Namikawa, Eri Munekage, Masaya Munekage, Hiromichi Maeda, Tomoaki Yatabe, Hiroyuki Kitagawa, Michiya Kobayashi, Kazuhiro Hanazaki
A 59-year-old man was referred to the Kochi Medical School Hospital due to left shoulder pain. Physical examination revealed a nodular, painful mass lesion in the subcutaneous tissue of the right chest wall, with a diameter of ~2 cm. Esophagogastroduodenoscopy revealed a large ulcerated tumor in the lower gastric body near the lesser curvature, and biopsy specimens of the gastric and humeral lesions revealed poorly differentiated adenocarcinoma. Abdominal computed tomography revealed multiple low-density lesions in the liver and a well-defined, 2...
April 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28410392/cyfip1-is-directly-controlled-by-notch1-and-down-regulated-in-cutaneous-squamous-cell-carcinoma
#8
Piotr J Dziunycz, Johannes Neu, Karine Lefort, Nadia Djerbi, Sandra N Freiberger, Guergana Iotzova-Weiss, Lars E French, Gian-Paolo Dotto, Günther F Hofbauer
Squamous cell carcinoma of the skin (SCC) represents one of the most common cancers in the general population and is associated with a substantial risk of metastasis. Previous work uncovered the functional role of CYFIP1 in epithelial tumors as an invasion inhibitor. It was down-regulated in some cancers and correlated with the metastatic properties of these malignant cells. We investigated its role and expression mechanisms in SCC. We analyzed the expression of CYFIP1 in patient derived SCC, primary keratinocytes and SCC cell lines, and correlated it to the differentiation and NOTCH1 levels...
2017: PloS One
https://www.readbyqxmd.com/read/28409046/on-a-rare-cutaneous-metastasis-from-a-sacrococcygeal-chordoma
#9
Alessandro D'Amuri, Matteo Brunelli, Federica Floccari, Francesco De Caro, Giuliana Crisman, Francesca Sanguedolce, Marcello Filotico
Chordomas are rare malignant tumors of notochordal origin and are rare locally aggressive ones with a metastatic potential. The skin rarely is seen as metastatic site. We describe a case of an adult woman with cutaneous metastasis of a primary sacral chordoma excised ten years before, which appeared as a painless cutaneous mass located in the dorsal region. Once removed, the surgical specimen was formalin fixed and in paraffin embedded. Sections were stained with haematoxylin-eosin, and histochemical and immunohistochemical investigations were performed...
2017: Case Reports in Pathology
https://www.readbyqxmd.com/read/28400632/management-strategies-for-mycosis-fungoides-in-india
#10
Tanumay Raychaudhury
Mycosis fungoides is the most common primary cutaneous T-cell lymphoma. The approach to diagnosis and further follow-up is outlined. Evidence for interventions is based classically on a Tumor Node Metastasis Blood TNMB "stage-based" approach. The treatment options in India are limited. The options as per risk stratification and prognostic index are discussed. Early stages and low-risk patients can be managed with expectant policy or skin-directed therapies including topical steroids and phototherapy; intermediate-risk patients can be opted for interferons or retinoids or low dose methotrexate along with radiotherapy including total skin electron beam therapy while high-risk patients are managed most often with single agent or multiagent palliative chemotherapy...
March 2017: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/28396065/-granulomatous-slack-skin-associated-with-metastatic-testicular-seminoma
#11
D Carton de Tournai, L Deschamps, P Laly, C Zeboulon, J-D Bouaziz, C Ram-Wolff, J-M Doumecq-Lacoste, N Ortonne, J Rivet, M Battistella, M Bagot
BACKGROUND: Granulomatous slack skin (GSS) is an extremely rare subtype of T-cell lymphoma, a variant of mycosis fungoides (MF). Herein, we describe the first reported case of GSS associated with metastatic testicular seminoma. PATIENTS AND METHODS: A 28-year-old male patient presented with circumscribed erythematous loose skin masses, especially in the body folds and which had been relapsing for 4years. Skin biopsy showed a loss of elastic fibers and an atypical granulomatous T-cell infiltrate with epidermotropism, enabling a diagnosis of GSS to be made...
April 7, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/28388964/breast-and-pleuropulmonary-metastasis-of-multirecurrent-scalp-dermatofibrosarcoma-protuberans-a-case-report
#12
N-A Ouédraogo Nde, N A Ouédraogo, H A Bambara, B M A Tiemtoré-Kambou, F Traoré, N Zongo, M S Ouédraogo, G P Tapsoba, Achach Thouraya Chtioui, A Lamien/Sanou
BACKGROUND: Dermatofibrosarcoma protuberans is a rare tumor, representing about 0.1% of skin malignant tumors. It is characterized by local aggressiveness with significant potential for recurrence. Although metastasis is rare, it does occur. We report a case of a Burkinabe woman with dermatofibrosarcoma protuberans. CASE PRESENTATION: A 27-year-old Burkinabe woman consulted our institution for a recurrent scalp nodule that had been evolving for 13 years. At clinical examination, she was in good condition with a dry cough...
April 8, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28386508/suspected-pulmonary-metastasis-of-actinic-cutaneous-squamous-cell-carcinoma
#13
Monet E Meter, David J Nye, Christian R Galvez
Introduction. It is rare for actinic or squamous cell carcinoma (SCC) in situ to metastasize. Case Presentation. A 67-year-old male had a significant medical history including severe psoriatic arthritis treated with UVB, methotrexate, and rapamycin. He had twenty-five different skin excisions of actinic keratosis four of which were invasive SCC. Our patient developed shortness of breath necessitating a visit to the emergency department. A CT scan of his chest revealed a mass in the right lower lung. A subsequent biopsy of the mass revealed well-differentiated SCC...
2017: Case Reports in Surgery
https://www.readbyqxmd.com/read/28385570/-why-is-it-important-to-differentiate-trichoblastic-carcinomas-ct-from-basal-cell-carcinomas-cbc-about-21-cases
#14
M Thomas, C Bruant-Rodier, F Bodin, B Cribier, M Huther, C Dissaux
Trichoblastic carcinoma is a rare epithelial malignant epithelial tumor, its diagnosis is difficult and the therapeutic management is non-consensual. This retrospective study, carried out between 2009 and 2015, covered 21 cases and analyzed the diagnostic and therapeutic characteristics of trichoblastic carcinomas. Sex ratio is 2. Trichoblastic carcinoma predominated in the face (65% of cases), particularly in perinasal (30% of cases). Its clinical presentation is in 95% of cases as basal cell carcinoma, which is the first clinical diagnosis evoked...
April 3, 2017: Annales de Chirurgie Plastique et Esthétique
https://www.readbyqxmd.com/read/28381343/podoplanin-expression-in-peritumoral-keratinocytes-predicts-aggressive-behavior-in-extramammary-paget-s-disease
#15
Zaigen Cho, Eiichi Konishi, Mai Kanemaru, Taro Isohisa, Takahiro Arita, Minako Kawai, Miho Tsutsumi, Hiromi Mizutani, Hideya Takenaka, Toshiyuki Ozawa, Daisuke Tsuruta, Norito Katoh, Jun Asai
BACKGROUND: Recent studies have demonstrated podoplanin expression in several tumors, which has been associated with lymph node metastasis and poor prognosis. Podoplanin expression in peritumoral cells such as cancer-associated fibroblasts also correlates with tumor progression in several cancers. However, podoplanin expression and its association with extramammary Paget's disease (EMPD) remain unclear. OBJECTIVE: In this study, we examined whether the presence of podoplanin expression in tumor cells or peritumoral basal keratinocytes correlated with aggressive behavior in patients with EMPD and investigated the mechanisms of podoplanin-mediated tumor invasion in this disorder...
March 27, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28380668/spontaneous-lung-metastasis-formation-of-human-merkel-cell-carcinoma-cell-lines-transplanted-into-scid-mice
#16
Jill Knips, Manja Czech-Sioli, Michael Spohn, Max Heiland, Ingrid Moll, Adam Grundhoff, Udo Schumacher, Nicole Fischer
Merkel cell carcinoma (MCC) is an aggressive skin cancer entity that frequently leads to rapid death due to its high propensity to metastasize. The etiology of most MCC cases is linked to Merkel cell polyomavirus (MCPyV), a virus which is monoclonally integrated in up to 95% of tumors. While there are presently no animal models to study the role of authentic MCPyV infection on transformation, tumorigenesis or metastasis formation, xenograft mouse models employing engrafted MCC derived cell lines (MCCL) represent a promising approach to study certain aspects of MCC pathogenesis...
April 5, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28371635/axillary-skin-metastasis-of-renal-cell-carcinoma-case-report
#17
Cristinel D Badiu, Alexandru Aungurenci, Cristina A Manea, Radu Tomosoiu, Narcis Chirca, Gabriela Rahnea-Nita, Liliana Andronache, Valentin T Grigorean, Victor L Madan
INTRODUCTION: Metastatic diseases are seen in approximately 25% of all cases with renal cell carcinoma and sometimes they can appear in unusual sites. CASE PRESENTATION: We present a 35-year old patient with a painful left axillary mass which causes the functional impairment of the left arm. The axillary mass appeared 2 years after the nephrectomy performed for a left renal cell carcinoma. Numerous metastases have been identified through CT scans during the postoperative evolution of the disease for which the patient underwent adjuvant therapy with tyrosine-kinase inhibitors...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28370784/reviewing-the-genetic-alterations-in-high-risk-cutaneous-squamous-cell-carcinoma-a-search-for-prognostic-markers-and-therapeutic-targets
#18
Bruce G Ashford, Jonathan Clark, Ruta Gupta, N Gopalakrishna Iyer, Bing Yu, Marie Ranson
Cutaneous squamous cell carcinoma (SCC) is second only in incidence to basal cell carcinoma (BCC), effecting up to 500 000 people in the United States annually. Metastasis to regional lymph nodes occurs in approximately 5% of cases and imparts significant morbidity. Standard treatment in this group involves a combination of surgery and adjuvant radiation. Currently, there are no clinically useful biomarkers of metastatic potential in primary cutaneous SCC and histological predictors can be unreliable. The high level of mutational burden in normal UV-exposed skin has hampered the search for novel drivers of invasive disease, and indeed metastatic potential...
April 3, 2017: Head & Neck
https://www.readbyqxmd.com/read/28368419/%C3%AE-np63%C3%AE-promotes-adhesion-of-metastatic-prostate-cancer-cells-to-the-bone-through-regulation-of-cd82
#19
V Di Giacomo, T V Tian, A Mas, M Pecoraro, L Batlle-Morera, L Noya, J Martín-Caballero, J Ruberte, W M Keyes
ΔNp63α is a critical mediator of epithelial development and stem cell function in a variety of tissues including the skin and breast, while overexpression of ΔNp63α acts as an oncogene to drive tumor formation and cancer stem cell properties in squamous cell carcinoma. However, with regards to the prostate, while ΔNp63α is expressed in the basal stem cells of the mature gland, during adenocarcinoma development, its expression is lost and its absence is used to clinically diagnose the malignant state. Surprisingly, here we identify a sub-population of bone metastatic prostate cancer cells in the PC3 cell line that express ΔNp63α...
April 3, 2017: Oncogene
https://www.readbyqxmd.com/read/28368042/a-novel-treatment-for-metastatic-lymph-nodes-using-lymphatic-delivery-and-photothermal-therapy
#20
Adewale O Oladipo, Oluwatobi S Oluwafemi, Sandile P Songca, Ariunbuyan Sukhbaatar, Shiro Mori, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama, Tetsuya Kodama
Systemic delivery of an anti-cancer agent often leads to only a small fraction of the administered dose accumulating in target sites. Delivering anti-cancer agents through the lymphatic network can achieve more efficient drug delivery for the treatment of lymph node metastasis. We show for the first time that polymeric gold nanorods (PAuNRs) can be delivered efficiently from an accessory axillary lymph node to a tumor-containing proper axillary lymph node, enabling effective treatment of lymph node metastasis...
April 3, 2017: Scientific Reports
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