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https://www.readbyqxmd.com/read/28110467/an-overview-of-autosomal-dominant-tumour-syndromes-with-prominent-features-in-the-oral-and-maxillofacial-region
#1
REVIEW
Robert A Kennedy, Selvam Thavaraj, Salvador Diaz-Cano
Several autosomal dominant inherited tumour syndromes demonstrate prominent features in the oral and maxillofacial region. Although multiple organ systems are frequently involved, the target organs more frequently affected are the skin (nevoid basal cell carcinoma syndrome, Brooke-Spiegler syndrome, Birt-Hogg-Dube syndrome and Muir-Torre syndrome), gastrointestinal tract (Peutz-Jegher syndrome and Gardner syndrome) or endocrine system (multiple endocrine neoplasia type 2b and hyperparathyroidism-jaw tumour syndrome)...
January 21, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28108284/first-line-pazopanib-in-non-clear-cell-renal-carcinoma-the-italian-retrospective-multicenter-panorama-study
#2
Sebastiano Buti, Melissa Bersanelli, Francesca Maines, Gaetano Facchini, Francesco Gelsomino, Fable Zustovich, Matteo Santoni, Elena Verri, Ugo De Giorgi, Cristina Masini, Franco Morelli, Maria Giuseppa Vitale, Teodoro Sava, Giuseppe Prati, Carmelinda Librici, Anna Paola Fraccon, Giuseppe Fornarini, Marco Maruzzo, Francesco Leonardi, Orazio Caffo
INTRODUCTION: Pazopanib is a standard first-line treatment for metastatic clear-cell renal cell carcinoma (ccRCC). Very few data on its activity in non-clear-cell renal cell carcinoma (nccRCC) are currently available. The aim of this study was to retrospectively analyze efficacy and toxicity of pazopanib in nccRCC patients. PATIENTS AND METHODS: Records from advanced nccRCC patients (consecutive sample) treated with first-line pazopanib between 2010 and 2015 at 17 Italian centers were reviewed...
December 29, 2016: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28108241/levator-alae-nasi-muscle-v-y-island-flap-for-nasal-tip-reconstruction
#3
Simone La Padula, Vincenzo Abbate, Gianluca Di Monta, Fabrizio Schonauer
Nasal tip reconstruction can be very challenging. It requires close attention to skin texture, colour and thickness matching, with the respect of the nasal aesthetic units and symmetry. Flaps are usually preferred to skin grafts where possible. Based on different donor areas, various flaps have been described for reconstruction of this region. Here we present a new V-Y myocutaneous island flap based on the levator alae nasi muscle (LAN muscle) blood supply. This flap may represent an alternative to the nasalis myocutaneous sliding V-Y flap previously described by Rybka...
December 21, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28106103/sox2-and-rb1-in-esophageal-small-cell-carcinoma-their-possible-involvement-in-pathogenesis
#4
Hirotaka Ishida, Atsuko Kasajima, Takashi Kamei, Tsuyoshi Miura, Naomi Oka, Samaneh Yazdani, Yohei Ozawa, Fumiyoshi Fujishima, Akira Sakurada, Yasuhiro Nakamura, Yoichi Tanaka, Masafumi Kurosumi, Yuichi Ishikawa, Yoshinori Okada, Noriaki Ohuchi, Hironobu Sasano
Clinicopathological features and pathogenesis of esophageal small-cell carcinoma remain unclear. We hypothesized common cellular origin and pathogenesis in small-cell carcinoma of esophagus and lung associated with SOX2 overexpression and loss of Rb1. Expression of squamous-basal markers (CK5/6 and p40), glandular markers (CK18 and CEA), SOX2, and Rb1 were evaluated in 15 esophageal small-cell carcinomas, 46 poorly differentiated squamous cell carcinomas, and 88 small-cell lung carcinoma, as well as 16 embryonic esophagus...
January 20, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28101025/giant-basal-cell-carcinomas-arising-on-the-bilateral-forearms-of-a-patient-a-case-report-and-review-of-nonsurgical-treatment-options
#5
Sarah Shangraw, Rivka C Stone, Jeong Hee Cho-Vega, Robert S Kirsner
Giant basal cell carcinomas (GBCCs) are large basal cell carcinomas (BCCs; <5 cm) with a greater propensity to invade and metastasize than standard BCCs. The presence of 2 GBCCs in a single individual is rare. We present the case of a 71-year-old Caucasian male with bilateral GBCCs on the dorsal forearms, measuring 130 cm(2) and 24 cm(2), respectively, that developed over a 21-year period. Over this period, the patient treated the tumors with herbal remedies. Histologic evaluation showed a conventional nodular BCC for both tumors...
September 2016: Case Reports in Dermatology
https://www.readbyqxmd.com/read/28099598/dermatoscopy-guided-therapy-of-pigmented-basal-cell-carcinoma-with-imiquimod
#6
Husein Husein-ElAhmed, Maria Antonia Fernandez-Pugnaire
BACKGROUND: Dermatoscopy is a non-invasive diagnostic tool used to examine skin lesions with an optical magnification. It has been suggested as a useful tool for monitoring therapeutic response in lentigo maligna patients treated with imiquimod. OBJECTIVE: To examine the accuracy of dermatoscopy as a tool to monitor the therapeutic response of pigmented basal cell carcinoma treated with imiquimod. METHOD: The authors designed a prospective study...
November 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28099591/analysis-of-effectiveness-of-a-surgical-treatment-algorithm-for-basal-cell-carcinoma
#7
Flávio Barbosa Luz, Camila Ferron, Gilberto Perez Cardoso
BACKGROUND: Surgical excision is the treatment of choice for basal cell carcinoma and micrographic surgery considered the gold standard, however not yet used routinely worldwide available, as in Brazil. Considering this, a previously developed treatment guideline, which the majority of tumors were treated by conventional technique (not micrographic) was tested. OBJECTIVE: To establish the recurrence rate of basal cell carcinomas treated according to this guideline...
November 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28095664/cutaneous-leishmaniasis-of-the-eyelids-a-case-series-with-molecular-identification-and-literature-review
#8
Iraj Mohammadpour, Mohammad Hossein Motazedian, Farhad Handjani, Gholam Reza Hatam
Cutaneous leishmaniasis (CL) is a protozoan disease which is endemic in Iran. It is transmitted by the Phlebotomus sand fly. The eyelid is rarely involved possibly because the movement of the lids impedes the sand fly from biting the skin in this region. Here, we report 6 rare cases of eyelid CL. The patients were diagnosed by skin scraping, culture, and PCR from the lesions. Skin scraping examination showed Leishmania spp. amastigotes in the cytoplasm of macrophages. Culture examination was positive for Leishmania spp...
December 2016: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28094771/orphan-gpr182-suppresses-erk-mediated-intestinal-proliferation-during-regeneration-and-adenoma-formation
#9
Daniel O Kechele, R Eric Blue, Bailey Zwarycz, Scott T Espenschied, Amanda T Mah, Marni B Siegel, Charles M Perou, Shengli Ding, Scott T Magness, P Kay Lund, Kathleen M Caron
Orphan GPCRs provide an opportunity to identify potential pharmacological targets, yet their expression patterns and physiological functions remain challenging to elucidate. Here, we have used a genetically engineered knockin reporter mouse to map the expression pattern of the Gpr182 during development and adulthood. We observed that Gpr182 is expressed at the crypt base throughout the small intestine, where it is enriched in crypt base columnar stem cells, one of the most active stem cell populations in the body...
January 17, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28093601/ambulatory-photodynamic-therapy-for-superficial-basal-cell-carcinoma-an-effective-light-source
#10
Janneke P H M Kessels, Nedim Dzino, Patty J Nelemans, Klara Mosterd, Nicole W J Kelleners-Smeets
is missing (Short communication).
January 17, 2017: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/28093600/vascular-patterns-in-cutaneous-ulcerated-basal-cell-carcinoma-a-retrospective-blinded-study-including-dermoscopy
#11
Nicola Arpaia, Angela Filoni, Domenico Bonamonte, Giuseppe Giudice, Margherita Fanelli, Michelangelo Vestita
The aim of this retrospective study was to determine the type and prevalence of vascular patterns in the ulcerated and non-ulcerated portions of histologically proven basal cell carcinomas (BCCs) and correlate them with other dermoscopic and clinical features, including the clinically supposed diagnosis. Three authors retrospectively collected 156 clinical and 156 dermoscopic digital images of ulcerated BCCs (histologically confirmed); each image was blindly evaluated by 2 other authors, who did not know the histological diagnosis...
January 17, 2017: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/28093283/lipophilic-tetraphenylphosphonium-derivatives-enhance-radiation-induced-cell-killing-via-inhibition-of-mitochondrial-energy-metabolism-in-tumor-cells
#12
Hironobu Yasui, Kumiko Yamamoto, Motofumi Suzuki, Yuri Sakai, Tomoki Bo, Masaki Nagane, Eri Nishimura, Tohru Yamamori, Toshihide Yamasaki, Ken-Ichi Yamada, Osamu Inanami
It has recently been reported that radiation enhances mitochondrial energy metabolism in various tumor cell lines. To examine how this radiation-induced alteration in mitochondrial function influences tumor cell viability, various lipophilic triphenylphosphonium (TPP(+)) cation derivatives and related compounds such as 4-hydroxy-2,2,6,6-tetramethyl-1-oxy-piperidin (Tempol) with TPP(+) (named "Mito-") were designed to inhibit the mitochondrial electron transport chain. Mito(CH2)10Tempol (M10T) and its derivatives, Mito(CH2)5Tempol (M5T), Mito(CH2)10Tempol-Methyl (M10T-Me), Mito-C10H21 (M10), and C10H21-Tempol (10T), were prepared...
January 16, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28089000/incidence-ratio-of-basal-cell-carcinoma-to-squamous-cell-carcinoma-equalizes-with-age
#13
Harvind S Chahal, Kerri E Rieger, Kavita Y Sarin
No abstract text is available yet for this article.
February 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28088999/standard-step-sectioning-of-skin-biopsy-specimens-diagnosed-as-superficial-basal-cell-carcinoma-frequently-yields-deeper-and-more-aggressive-subtypes
#14
Kim P Nguyen, G Jimmy Knuiman, Piet E J van Erp, Willeke A Blokx, Malou Peppelman, Marie-Jeanne P Gerritsen
No abstract text is available yet for this article.
February 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28088877/the-concerted-action-of-type-2-and-type-3-deiodinases-regulates-the-cell-cycle-and-survival-of-basal-cell-carcinoma-cells
#15
Caterina Miro, Raffaele Ambrosio, Maria Angela De Stefano, Daniela Di Girolamo, Emery Di Cicco, Annunziata Gaetana Cicatiello, Giuseppina Mancino, Tommaso Porcelli, Maddalena Raia, Luigi Del Vecchio, Domenico Salvatore, Monica Dentice
BACKGROUND: Thyroid hormones (THs) mediate pleiotropic cellular processes involved in metabolism, cellular proliferation and differentiation. The intracellular hormonal environment can be tailored by the deiodinase enzymes, D2 and D3, which catalyze TH activation and inactivation, respectively. In many cellular systems, THs exert well documented stimulatory or inhibitory effects on cell proliferation, however, the molecular mechanisms by which they control rates of cell cycle progression have not yet been entirely clarified...
January 15, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28087292/loss-of-cd28-within-cd4-t-cell-subsets-from-cervical-cancer-patients-is-accompanied-by-the-acquisition-of-intracellular-perforin-and-is-further-enhanced-by-nkg2d-expression
#16
Marta Escarra-Senmarti, Miriam Ruth Bueno-Topete, Luis Felipe Jave-Suarez, Eduardo Gomez-Bañuelos, Jorge Gutierrez-Franco, Natali Vega-Magaña, Adriana Aguilar-Lemarroy, Ana Laura Pereira-Suarez, Jesse Haramati, Susana Del Toro-Arreola
CD28 is well characterized as an essential co-stimulatory receptor critical for activation, proliferation and survival processes in CD4(+) T cells. Populations of CD4(+)CD28(null) T cells, with apparently contradictory physiological roles, have recently been reported, along with the co-expression of the NK activating receptor NKG2D, in autoimmune diseases and chronic viral inflammation. Paradoxically, studies in cancer suggest that an expanded CD4(+)NKG2D(+) population may be armed with immunosuppressive properties...
January 10, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28087048/-characteristics-and-risk-factors-for-recurrence-of-cutaneous-squamous-cell-carcinoma-with-conventional-surgery-and-surgery-with-delayed-intraoperative-margin-assessment
#17
Judith Domínguez-Cherit, Georgina Rodríguez-Gutiérrez, Verónica Narváez Rosales, Sonia Toussaint Caire, Verónica Fonte Avalos
BACKGROUND: Non-melanoma skin cancer includes basal cell carcinoma and squamous cell carcinoma (SCC). Basal cell carcinoma is the most common and least aggressive but in a low percentage of cases, despite appropriate wide surgical margins, it can be aggressive, producing local invasion, recurrences and distance metastasis. SCC has a more aggressive behaviour invading first the skin, the lymph nodes and less frequently produces distance metastasis OBJECTIVE: To identify the characteristics of recurrent SCC and frequency of new SCC after conventional surgical and primary closure or closure delayed until a histological reporting of tumour-free surgical margins, in order to achieve a better surgical option, in our Mexican population...
January 10, 2017: Cirugia y Cirujanos
https://www.readbyqxmd.com/read/28087032/a-rare-dermoscopic-pattern-of-nodular-basal-cell-carcinoma-with-amyloid-deposition
#18
Jun Yeong Park, Ji Yun Jung, Bok Won Park, Eun Byul Cho, Eun Joo Park, Kwang Ho Kim, Kwang Joong Kim
No abstract text is available yet for this article.
February 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28081215/genome-wide-association-studies-of-multiple-keratinocyte-cancers
#19
Luba M Pardo, Wen-Qing Li, Shih-Jen Hwang, Joris A C Verkouteren, Albert Hofman, André G Uitterlinden, Peter Kraft, Constance Turman, Jiali Han, Eunyoung Cho, Joanne M Murabito, Daniel Levy, Abrar A Qureshi, Tamar Nijsten
There is strong evidence for a role of environmental risk factors involved in susceptibility to develop multiple keratinocyte cancers (mKCs), but whether genes are also involved in mKCs susceptibility has not been thoroughly investigated. We investigated whether single nucleotide polymorphisms (SNPs) are associated with susceptibility for mKCs. A genome-wide association study (GWAS) of 1,666 cases with mKCs and 1,950 cases with single KC (sKCs; controls) from Harvard cohorts (the Nurses' Health Study [NHS], NHS II, and the Health Professionals Follow-Up Study) and the Framingham Heart Study was carried-out using over 8 million SNPs (stage-1)...
2017: PloS One
https://www.readbyqxmd.com/read/28079699/a-new-technique-for-total-reconstruction-of-the-lower-lid
#20
Mehmet Mutaf, Metin Temel
BACKGROUND: Although several methods have been described for total lower eyelid reconstruction, it remains as a major challenge in reconstructive surgery. Here, we present a new technique, the Mutaf unequal Z-plasty procedure for reconstruction of defects of the lower eyelid. METHODS: In this technique, 2 skin flaps designed in an unequal Z-plasty manner are used to provide skin coverage. Except for 2 patients whose additional upper eyelid defects were closed with Fricke flap, all patients were reconstructed with Mutaf unequal Z-plasty procedure...
February 2017: Annals of Plastic Surgery
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