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https://www.readbyqxmd.com/read/28079432/primary-tumors-of-the-facial-nerve-misdiagnosed-a-case-series-and-review-of-the-literature
#1
Haijin Yi, Bin Hu, Guoping Yin, Xin Li, Jinkun Xu, Jingying Ye, Shi-Ming Yang
CONCLUSION: Unusual primary tumors of the facial nerve should be considered in patients with progressive facial paralysis, especially if this is accompanied by hearing loss or vertigo. Misdiagnosis could increase the difficulties of operation, diminish the chance of facial nerve reconstruction, and increase the likelihood of poor reconstructive outcomes. OBJECTIVE: This paper was to determine the characteristics of facial nerve primary tumors misdiagnosed as tumor-free conditions many years prior, and to describe appropriate treatments...
January 12, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28072694/effect-of-hyperthermic-intrathoracic-chemotherapy-hithoc-on-the-malignant-pleural-effusion-a-systematic-review-and-meta-analysis
#2
Hua Zhou, Wei Wu, Xiaoping Tang, Jianying Zhou, Yihong Shen
BACKGROUND: Although hyperthermic intraperitoneal chemotherapy (HIPEC) has been widely used to treat malignant ascites or as a preventive strategy for microscopic carcinomatosis following surgical resection of abdominal tumors, application of hyperthermic intrathoracic chemotherapy (HITHOC) in the treatment of malignant pleural effusion is limited. The objective of the current study was to conduct a systematic review and meta-analysis on the application of HITHOC in the palliative treatment of malignant pleural effusion...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28070680/a-disturbance-of-intestinal-epithelial-cell-population-and-kinetics-in-apc1638t-mice
#3
Tuya Wang, Takanori Onouchi, Nami O Yamada, Shuji Matsuda, Takao Senda
The adenomatous polyposis coli (APC) is a multifunctional protein as well as a tumor suppressor. To determine the functions of the C-terminal domain of APC, we explored APC (1638T/1638T) (APC1638T) mice that express a truncated APC lacking the C-terminal domain. The APC1638T mice were tumor free and exhibited growth retardation. In the present study, we compared small intestinal crypt-villus cells homeostasis in APC (+/+) (WT) mice and APC1638T mice. The body weight of APC1638T mice was significantly smaller than that of WT mice at all ages...
January 9, 2017: Medical Molecular Morphology
https://www.readbyqxmd.com/read/28061360/effect-of-formalin-fixation-on-surgical-margins-in-patients-with-oral-squamous-cell-carcinoma
#4
Tejashree B Pangare, Pushkar P Waknis, Shilpa S Bawane, Mayank N Patil, Shaliki Wadhera, Padmasree B Patowary
PURPOSE: Formalin fixation causes shrinkage of surgical margins, which can result in the underestimation of tumor-free margins. The purpose of this study was to show the effect of formalin fixation on surgical margins. Another aim of this study was to evaluate surgical margin shrinkage after fixation of oral squamous cell carcinoma (OSCC) specimens of the gingivobuccal sulcus (GBS). MATERIALS AND METHODS: This was a cross-sectional study. The study sample consisted of OSCC specimens of the GBS after composite resection...
December 12, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28056887/therapeutic-vaccine-targeting-epstein-barr-virus-latent-protein-lmp1-suppresses-lmp1-expressing-tumor-growth-and-metastasis-in-vivo
#5
Mei-Chun Lin, Yong-Chong Lin, Syue-Ting Chen, Tai-Horng Young, Pei-Jen Lou
BACKGROUND: In endemic area, nasopharyngeal carcinoma (NPC) tumor cells harbor EBV latent infection and expresses viral antigens such as EBNA1, LMP1 and LMP2. In this study, we established a NPC-mimicry animal model and assessed the therapeutic potential of LMP1 vaccine. METHODS: Animal models were established by injection of LMP1-expressing TC-1 cells in C57BL6/J mice subcutaneously or through tail veins. pcDNA3.1 empty vector or LMP1/pcDNA3.1 vaccine was delivered by a helium-driven gene gun...
January 5, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28053908/reconstruction-of-partial-maxillectomy-defect-with-a-buccal-fat-pad-flap-and-application-of-4-hexylresorcinol-a-case-report
#6
Hyun Seok, Min-Keun Kim, Seong-Gon Kim
Mucoepidermoid carcinoma (MEC) is the most common type of malignant neoplasm in the minor salivary gland. The hard palate is a frequently involved site of MEC. The treatment of low-grade MEC on the hard palate is wide local resection with a tumor-free margin. In the present case, the maxillary defect was reconstructed using a buccal fat pad (BFP) flap, followed by application of 4-hexylresorcinol (4HR) ointment for 2 weeks. The grafted BFP successfully covered the tumor resection defect without tension and demonstrated complete re-epithelialization without any complications...
December 2016: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28052383/liver-damage-and-senescence-increases-in-patients-developing-hepatocellular-carcinoma
#7
Silvia Rey, Cristina Quintavalle, Katharina Burmeister, Diego Calabrese, Manuel Schlageter, Luca Quagliata, Gieri Cathomas, Joachim Diebold, Alfredo Molinolo, Markus H Heim, Luigi M Terracciano, Matthias S Matter
BACKGROUND & AIMS: Most patients with a hepatocellular carcinoma (HCC) have an underlying chronic liver inflammation, which causes a continuous damage leading to liver cirrhosis and eventually HCC. However, only a minority of cirrhotic patients develop HCC. To asses a possible differential impact of liver inflammation in patients developing HCC versus patients remaining tumor-free we designed a longitudinal study and analyzed liver tissue of the same patient (n = 33) at two points in time: once when no HCC was present and once, several years later, when a HCC was present...
January 3, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28044953/a-rare-case-of-upper-digestive-hemorrhage-due-to-bleeding-duodenal-tumor
#8
Claudiu Turculeţ, Dragoş Ene, Teodor Florin Georgescu, E Ciucă, A Vlădăşcău, Florin Iordache, Mircea Beuran
We present the case of a 48-year-old patient with no medical history, who presents himself to the emergency room with melena, asthenia and dizziness. The blood tests revealed a severe anemia (Hb = 4,8 g/dL). He is admitted in the Gastroenterology ward, where a first superior digestive endoscopy is performed which shows a duodenal bleeding tumor (second duodenum) of 7 cm in length. After the administration of red blood cell mass, plasma and haemostatic agents the level of the hemoglobin increases. The abdominal CT scan reveals a 3/5 tumor localized in the second and third duodenum...
November 2016: Chirurgia
https://www.readbyqxmd.com/read/28038473/gene-expression-changes-in-tumor-free-tongue-tissue-adjacent-to-tongue-squamous-cell-carcinoma
#9
Linda Boldrup, Xiaolian Gu, Philip J Coates, Lena Norberg-Spaak, Robin Fahraeus, Göran Laurell, Torben Wilms, Karin Nylander
Due to the high frequency of loco-regional recurrences, which could be explained by changes in the field surrounding the tumor, patients with squamous cell carcinoma of head and neck show poor survival. Here we identified a total of 554 genes as dysregulated in clinically tumor free tongue tissue in patients with tongue tumors when compared to healthy control tongue tissue. Among the top dysregulated genes when comparing control and tumor free tissue were those involved in apoptosis (CIDEC, MUC1, ZBTB16, PRNP, ECT2), immune response (IFI27) and differentiation (KRT36)...
December 27, 2016: Oncotarget
https://www.readbyqxmd.com/read/28035373/cancer-associated-peritoneal-mesothelial-cells-lead-the-formation-of-pancreatic-cancer-peritoneal-dissemination
#10
Toshiya Abe, Kenoki Ohuchida, Kazuhiro Koikawa, Sho Endo, Takashi Okumura, Masafumi Sada, Kohei Horioka, Biao Zheng, Taiki Moriyama, Kohei Nakata, Yoshihiro Miyasaka, Tatsuya Manabe, Takao Ohtsuka, Eishi Nagai, Kazuhiro Mizumoto, Makoto Hashizume, Masafumi Nakamura
The interaction between the cancer cells and the peritoneal mesothelial cells (PMCs) plays an important role in the peritoneal dissemination in several types of cancer. However, the role of PMCs in the peritoneal dissemination of pancreatic cancer remains unclear. In the present study, we investigated the interaction between thr pancreatic cancer cells (PCCs) and the PMCs in the formation of peritoneal dissemination in vitro and in vivo. The tumor-stromal interaction of PCCs and PMCs significantly enhanced their mobility and invasiveness and enhanced the proliferation and anoikis resistance of PCCs...
December 30, 2016: International Journal of Oncology
https://www.readbyqxmd.com/read/28027584/il6-dependent-genomic-instability-heralds-accelerated-carcinogenesis-following-liver-regeneration-on-a-background-of-chronic-hepatitis
#11
Tali Lanton, Anat Shriki, Yael Nechemia-Arbely, Rinat Abramovitch, Orr Levkovitch, Revital Adar, Nofar Rosenberg, Mor Paldor, Daniel Goldenberg, Amir Sonnenblick, Amnon Peled, Stefan Rose-John, Eithan Galun, Jonathan H Axelrod
: Liver cancer, which typically develops on a background of chronic liver inflammation, is now the second leading cause of cancer mortality worldwide. For these patients surgical resection is a principal treatment modality that offers a chance of prolonged survival. However, tumor recurrence after resection, the mechanisms of which remain obscure, markedly limits the long-term survival of these patients. We have previously shown that partial hepatectomy (PH) in Mdr2 knockout (Mdr2(-/-) ) mice, a model of chronic inflammation-associated liver cancer, significantly accelerates hepatocarcinogenesis...
December 27, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28012879/dermatofibroma-of-the-eyelid-with-monster-cells
#12
Frederick A Jakobiec, Yufei Tu, Fouad R Zakka, Arthur K F Tong
Dermatofibromas are most frequently encountered in women on the lower extremities, often after minor trauma. A 64-year-old woman developed a recurrent lesion of the right lower eyelid. It harbored "monster cells" that were large, with either multiple nuclei or a single, large, convoluted and hyperchromatic nucleus. The presence of these cells does not signify a malignant transformation. The background cells were either histiocytoid (many were adipophilin-positive), spindled cells, or dendritiform cells without mitoses...
December 21, 2016: Survey of Ophthalmology
https://www.readbyqxmd.com/read/28008605/immune-deficiency-augments-the-prevalence-of-p53-loss-of-heterozygosity-in-spontaneous-tumors-but-not-bi-directional-loss-of-heterozygosity-in-bone-marrow-progenitors
#13
Yoav Shetzer, Yael Napchan, Tom Kaufman, Alina Molchadsky, Perry Tal, Naomi Goldfinger, Varda Rotter
p53 loss of heterozygosity (LOH) is a frequent event in tumors of somatic and Li-Fraumeni syndrome patients harboring p53 mutation. Here, we focused on resolving a possible crosstalk between the immune-system and p53 LOH. Previously, we reported that p53 heterozygous bone-marrow mesenchymal progenitor cells undergo p53 LOH in-vivo. Surprisingly, the loss of either the wild-type p53 allele or mutant p53 allele was detected with a three-to-one ratio in favor of losing the mutant allele. In the present study we examined whether the immune-system can affect the LOH directionality in bone marrow progenitors...
December 22, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28008267/oncological-outcomes-and-complications-after-volume-replacement-oncoplastic-breast-conservations-the-glasgow-experience
#14
Weiguang Ho, Sheila Stallard, Julie Doughty, Elizabeth Mallon, Laszlo Romics
INTRODUCTION: Oncoplastic breast conservation surgery (OBCS) combines the principles of surgical oncology and plastic surgery. OBCS has now become a growing option for the treatment of breast cancer and forms a part of breast-conserving therapy (BCT). We sought to investigate and report our experience in two breast units in Glasgow (Victoria Infirmary and Western Infirmary) on volume replacement OBCS. MATERIALS AND METHODS: Details of patients treated with volume replacement OBCS were identified from a prospectively recorded database from November 2010 to October 2015...
2016: Breast Cancer: Basic and Clinical Research
https://www.readbyqxmd.com/read/28000571/immuno-stimulating-peptide-derived-from-hmgb1-is-more-effective-than-the-n-terminal-domain-of-gp96-as-an-endogenous-adjuvant-for-improvement-of-protein-vaccines
#15
Somayeh Talebi, Azam Bolhassani, Talat Mokhtari Azad, Arash Arashkia, Mohammad Hossein Modaresi
Up to now, different protein vaccine modalities against human papillomavirus (HPV) have been designed to control cervical cancer. The important issue is to increase their immunogenicity using appropriate adjuvants. Among heat shock proteins (HSPs), glycoprotein 96 (Gp96) and its N-terminal region (NT-gp96) have attracted a specific interest in stimulation of antigen-specific immune responses in vivo. Furthermore, the potency of high mobility group box 1 (HMGB1) protein and its fragment (Hp91) was reported to enhance the desired immune responses against various disorders...
December 20, 2016: Protein and Peptide Letters
https://www.readbyqxmd.com/read/27994660/incidence-and-impact-of-lymph-node-metastases-in-advanced-ovarian-cancer-implications-for-surgical-treatment
#16
Cornelia Bachmann, Robert Bachmann, Falko Fend, Diethelm Wallwiener
Background: This study aimed to clarify the impact of node involvement (affected to resected nodes) in optimally cytoreduced (residual tumour ≤1cm) stage IIIC/IV ovarian cancer. Methods: 108 consecutive patients with primary stage IIIC/IV ovarian cancer underwent stage-related surgery and got adjuvant platinum-based chemotherapy. Median follow-up: 53.5 months. All patients got systematic para-aortic and pelvic lymphadenectomy. Clinical parameters were retrospectively evaluated. Patients were stratified into 3 groups to evaluate node affection: 1) no (0%), 2) minor (>0%, ≤50%) >0 and 3) major (>50% of affected nodes)...
2016: Journal of Cancer
https://www.readbyqxmd.com/read/27990744/-en-face-ex-vivo-reflectance-confocal-microscopy-to-help-the-surgery-of-basal-cell-carcinoma-of-the-eyelid
#17
Marine Espinasse, Elisa Cinotti, Damien Grivet, Bruno Labeille, Virginie Prade, Catherine Douchet, Frédéric Cambazard, Gilles Thuret, Philippe Gain, Jean Luc Perrot
BACKGROUND: Fluorescence confocal microscopy (FCM) is a recent imaging technique for the examination of surgical cutaneous specimens and has been suggested as a fast alternative to Mohs micrographic surgery. Up-to-date it has been used in the fluorescence mode and with vertical sections of the specimen margins. The aim of this study was to evaluate FCM in the reflectance mode and with a horizontal ("en face") scanning of the surgical specimen in a series of basal cell carcinoma (BCC) of the eyelid...
December 19, 2016: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/27990649/quantification-of-surgical-margin-length-changes-after-excision-of-feline-injection-site-sarcomas-a-pilot-study
#18
Jesse L Terry, Milan Milovancev, Sarah Nemanic, Christiane V Löhr
OBJECTIVE: To evaluate degree length change of lateral surgical margins at various stages of processing for histological examination and quantify the length change between grossly normal surgical margins (GNSM) and pathologist-reported histologic tumor-free margin (HTFM) in widely resected feline injection site sarcoma (FISS) specimens. STUDY DESIGN: Prospective clinical study. ANIMALS: Five client-owned cats with injection site sarcomas. METHODS: All cats underwent wide surgical excision (35-55 mm gross lateral margins, 2 fascial planes deep)...
December 19, 2016: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/27932121/up-to-7-criteria-for-hepatocellular-carcinoma-liver-transplantation-a-retrospective-analysis-of-experiences
#19
F J León Díaz, J A Pérez Daga, B Sánchez Pérez, J L Fernández Aguilar, C Montiel Casado, J M Aranda Narváez, M A Suárez Muñoz, L Romacho López, J Santoyo Villalba, J Santoyo Santoyo
INTRODUCTION: The expansion of criteria for hepatocellular carcinoma (HCC) liver transplantation should produce satisfactory outcomes in terms of survival and recurrence. OBJECTIVES: To investigate if the up-to-7 criteria are applicable to liver transplantation for HCC. METHODS: A review of all liver transplantations performed at our unit between January 2002 and December 2010 was conducted (645 patients). The 91 patients of the sample who had HCC were divided into 3 groups: in Milan criteria (MC; n = 74), in up-to-7 criteria (UTSC; n = 12), and outside of up-to-7 criteria (OUTSC; n = 5)...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27929662/insulinoma-detection-with-mdct-is-there-a-role-for-whole-pancreas-perfusion
#20
Liang Zhu, Huadan Xue, Hao Sun, Xuan Wang, Wenming Wu, Zhengyu Jin, Yupei Zhao
OBJECTIVE: The purpose of this study is to investigate the role of whole-pancreas perfusion in detecting insulinomas with the use of MDCT. MATERIALS AND METHODS: From January 2011 to December 2011, a total of 70 consecutive patients (33 men and 37 women; mean age, 46 years; range, 17-73 years) who underwent biphasic contrast-enhanced CT and whole-pancreas CT perfusion for suspected insulinomas were identified retrospectively. Patients were monitored for at least 3 years...
December 8, 2016: AJR. American Journal of Roentgenology
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