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Epidermoid

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https://www.readbyqxmd.com/read/28315499/evaluation-of-the-decision-making-process-in-the-conservative-approach-to-small-testicular-masses
#1
Andrea Benelli, Virginia Varca, Lorenzo Derchi, Andrea Gregori, Giorgio Carmignani, Alchiede Simonato
INTRODUCTION: We evaluate the clinical outcome of patients treated with conservative approach for small testicular masses (STMs). We analyzed the steps who brought to the selection of the therapeutic approach: starting from clinical presentation, through imaging and lab studies. METHODS: We considered 18 patients who underwent an organ-sparing approach for STMs from 2005 until 2014. The selection criteria were dimension of the mass and absence of clinical, laboratory and/or radiological malignancy suspicion...
March 15, 2017: Urologia
https://www.readbyqxmd.com/read/28301021/cytotoxic-effect-of-thymus-caramanicus-jalas-on-human-oral-epidermoid-carcinoma-kb-cells
#2
Reza Fekrazad, Mehrad Afzali, Hamzeh Pasban-Aliabadi, Saeed Esmaeili-Mahani, Maryam Aminizadeh, Ali Mostafavi
Identifying new chemotherapeutic agents with fewer side effects is a major concern for scientists today. Thymus caramanicus Jalas (Lamiaceae family) is one of the species of Thymus that grows wild in different regions of Iran. Traditionally, leaves of this plant are used in the treatment of diabetes, arthritis and cancer. Here was investigated the cytotoxic property of Thymus caramanicus essential oil and extract in human oral epidermoid carcinoma KB cells. Cell viability was measured by MTT and neutral red assays...
January 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/28300686/epidermoid-cyst-in-an-intra-pancreatic-accessory-spleen-diagnosed-by-typical-radiographic-images-and-eus-fna-findings-with-contrast-agent-with-video
#3
Kazuyuki Matsumoto, Hironari Kato, Hiroyuki Okada
No abstract text is available yet for this article.
March 11, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28299308/malignant-transformation-of-an-intracranial-extradural-epidermoid-cyst-into-squamous-cell-carcinoma-presented-with-cerebrospinal-fluid-leakage
#4
Bahram Seif, Reza Pourkhalili, Ahmad Shekarchizadeh, Parvin Mahzouni
We report a case of malignant transformation of an intracranial extradural epidermoid cyst into squamous cell carcinoma (SCC), that presented with cerebrospinal fluid (CSF) leakage at the time of recurrence. Intracranial epidermoid cysts are histologically benign and slow-growing neoplasms. They are congenital lesions that develop from ectodermal remnants during neuroembryogenesis. Malignant transformation of epidermoid cysts into SCC is very rare. Various clinical presentations of these tumors after malignant transformation are mentioned in the literature...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28291963/in-vitro-cell-death-discrimination-and-screening-method-by-simple-and-cost-effective-viability-analysis
#5
Katharina Helm, Marlena Beyreis, Christian Mayr, Markus Ritter, Martin Jakab, Tobias Kiesslich, Kristjan Plaetzer
BACKGROUND/AIMS: For in vitro cytotoxicity testing, discrimination of apoptosis and necrosis represents valuable information. Viability analysis performed at two different time points post treatment could serve such a purpose because the dynamics of metabolic activity of apoptotic and necrotic cells is different, i.e. a more rapid decline of cellular metabolism during necrosis whereas cellular metabolism is maintained during the entire execution phase of apoptosis. This study describes a straightforward approach to distinguish apoptosis and necrosis...
February 21, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28287740/mediating-passive-tumor-accumulation-through-particle-size-tumor-type-and-location
#6
Jillian L Perry, Kevin G Reuter, J Christopher Luft, Chad V Pecot, William C Zamboni, Joseph M DeSimone
As the enhanced permeation and retention (EPR) effect continues to be a controversial topic in nanomedicine, we sought to examine EPR as a function of nanoparticle size, tumor model and tumor location, while also evaluating tumors for EPR mediating factors such as microvessel density, vascular permeability, lymphatics, stromal content, and tumor associated immune cells. Tumor accumulation was evaluated for 55x60 nm, 80x180 nm, and 80x320 nm PRINT particles, in four subcutaneous flank tumor models (SKOV3 human ovarian, 344SQ murine non-small cell lung, A549 human non-small cell lung, and A431 human epidermoid cancer)...
March 13, 2017: Nano Letters
https://www.readbyqxmd.com/read/28272655/histopathological-diagnostic-dilemma-in-retrorectal-developmental-cysts-report-of-a-case-and-review-of-the-literature
#7
Meltem Azatçam, Eren Altun, Veli Avci
Retrorectal developmental cysts are lesions that are classified according to their histopathological characteristics and origins. The major types are epidermoid cyst, dermoid cyst, rectal duplication cyst, rectal cystic hamartoma and teratoma. These cysts grow slowly and the majority of cases are asymptomatic. Total excision is required and histopathological examination should be carefully performed for retrorectal localized developmental cysts, since the cystic lesions may show malignant transformation. Here, a 3-year-old male patient with retrorectal mass, which was histopathologically compatible with tailgut cyst, is presented and the differential diagnosis of retrorectal developmental cysts is discussed...
February 4, 2017: Türk Patoloji Dergisi
https://www.readbyqxmd.com/read/28219646/primary-squamous-cell-carcinoma-of-the-thyroid-initial-assessment-and-follow-up-using-18-f-fdg-pet-ct
#8
L Caballero Gullón, E Carmona González, A Martínez Estévez, M P Gómez Camarero, J J Corral, I Borrego Dorado
Squamous cell carcinoma of thyroid is an uncommon, very aggressive neoplasm, having a poor prognosis and poor response to chemotherapy and radiotherapy. Surgery is the initial treatment of choice, although it often presents as a widespread disease at the time of diagnosis, usually with cervical swelling that causes most of the symptoms due to local infiltration or metastasis. Local infiltration from adjacent tumour and metastatic disease needs to be excluded from other primary epidermoid carcinomas, in order to make a correct diagnosis...
February 16, 2017: Revista Española de Medicina Nuclear e Imagen Molecular
https://www.readbyqxmd.com/read/28218467/divergent-roles-of-p120-catenin-isoforms-linked-to-altered-cell-viability-proliferation-and-invasiveness-in-carcinogen-induced-rat-skin-tumors
#9
Rong Wang, Ying-Shiuan Chen, Wan-Mohaiza Dashwood, Qingjie Li, Christiane V Löhr, Kay Fischer, Emily Ho, David E Williams, Roderick H Dashwood
The heterocyclic amine 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP) targets multiple organs for tumorigenesis in the rat, including the colon and the skin. PhIP-induced skin tumors were subjected to mutation screening, which identified genetic changes in Hras (7/40, 17.5%) and Tp53 (2/40, 5%), but not in Ctnnb1, a commonly mutated gene in PhIP-induced colon tumors. Despite the absence of Ctnnb1 mutations, β-catenin was overexpressed in nuclear and plasma membrane fractions from PhIP-induced skin tumors, coinciding with loss of p120-catenin from the plasma membrane, and the appearance of multiple p120-catenin-associated bands in the nuclear extracts...
February 20, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28209745/platinum-fluoropyrimidine-and-paclitaxel-based-chemotherapy-in-the-treatment-of-advanced-anal-cancer-patients
#10
Francesco Sclafani, Federica Morano, David Cunningham, Chiara Baratelli, Eleftheria Kalaitzaki, David Watkins, Naureen Starling, Ian Chau, Sheela Rao
BACKGROUND: Although treatment of localized anal cancer (AC) is well established, very little evidence is available to inform the management of advanced tumors, and the prognosis of these patients remains poor. We have analyzed treatment pathways and outcomes of a single-institution series of advanced AC patients in order to provide insight into the management of this rare condition. MATERIALS AND METHODS: Inclusion criteria included epidermoid histology, inoperable locally recurrent or metastatic disease, and availability of full medical records...
February 16, 2017: Oncologist
https://www.readbyqxmd.com/read/28203025/-trigemino-cardiac-reflex-in-skull-base-surgery
#11
H Z Duan, Y Zhang, L Li, J Y Zhang, Z Q Yi, S D Bao
OBJECTIVE: To explore the mechanism, clinical features, and prognosis of Trigemino-cardiac reflex (TCR) during skull base operations. METHODS: A retrospective analysis was performed on 291 patients with skull base disease from Jan. 2009 to Oct. 2015 in Peking University First Hospital. By reviewing the patients' operative data and anaesthetic electrical record, and we picked out all the patients who suffered from TCR during the operation and analyzed their surgical procedures, clinical features, influence factors, and prognosis...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28185188/hapten-anti-hapten-technique-for-two-color-ihc-detection-of-phosphorylated-egfr-and-h2ax-using-primary-antibodies-raised-in-the-same-host-species
#12
Jodi Hagen, David Schwartz, Alexander E Kalyuzhny
Multiplex staining of cell and tissue sections with antibodies raised in the same host species is a serious challenge because of unwanted but inevitable cross-reactivity of secondary antibodies with irrelevant primary antibodies. Several techniques can be used to overcome this obstacle including direct labeling of primary antibodies with fluorescent tags and using tyramide signal amplification. Unfortunately these techniques either lack sensitivity, or require a long multistep protocol which can cause physical damage of specimens...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28178101/iatrogenic-intradiploic-epidermoid-cyst-following-strip-craniectomy-for-sagittal-craniosynostosis
#13
Michael T Friel, Joaquin Hidalgo, J Mason Shiflett
INTRODUCTION: The increased incidence and success of strip craniectomy with postoperative helmet therapy in the treatment of sagittal craniosynostosis has been documented by multiple centers throughout the country and world. The authors report a child with a postoperative implantation intradiploic epidermoid cyst following a strip craniectomy, a complication, that to our knowledge, has not been reported. METHODS: This clinical report involves a 3-year-old boy with a scaphocephalic appearance who was transferred to our center following an interstate adoption...
February 7, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28176598/intraosseous-epidermoid-cyst-of-the-distal-phalanx-reconstructed-with-synthetic-bone-graft
#14
Hiromi Sasaki, Satoshi Nagano, Hirofumi Shimada, Takayuki Nakashima, Masahiro Yokouchi, Yasuhiro Ishidou, Takao Setoguchi, Setsuro Komiya
Intraosseous epidermoid cysts are exceedingly rare. Known as pseudotumors, not true neoplasms, intraosseous epidermoid cysts usually involve the phalanges, the skull, and the toes. Intraosseous epidermoid cysts typically present as destructive osteolytic lesions on X-ray, mimicking malignant bone tumors. Here, we present two cases of an intraosseous epidermoid cyst in the distal phalanx treated with curettage and synthetic bone graft, followed by a review of the relevant literature. In both cases, the patient presented with a painful enlargement of the fingertip following a minor trauma...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28160937/a-review-of-our-experience-in-phonosurgery-in-children
#15
Mikel Landa, Idoia Palicio, Leire Álvarez, Zuriñe Martínez
INTRODUCTION AND OBJECTIVES: Dysphonia is a common problem in children, especially those of school age. Exploration of vocal folds is often difficult and less accurate in children. The most frequent lesions found in children with chronic dysphonia are vocal nodules, followed by epidermoid cysts and other congenital lesions, such as sulci and mucosal bridges. The treatment is multidisciplinary and it is fundamentally based on vocal rehabilitation. We indicate surgical treatment in children older than 9 years of age for whom the problem persists after rehabilitation, especially if we suspect a congenital lesion of the vocal fold...
February 1, 2017: Acta Otorrinolaringológica Española
https://www.readbyqxmd.com/read/28158891/four-new-xanthones-from-cratoxylum-cochinchinense-and-their-in-vitro-antiproliferative-effects
#16
Chihiro Ito, Takuya Matsui, Ai Niimi, Hugh T-W Tan, Masataka Itoigawa
The study of the chemical constituents of branches and twigs of Cratoxylum cochinchinense collected in Singapore led to the isolation and structural elucidation of four new xanthones, named cratoxanthone A (1), B (2), C (3), and D (4), together with six known xanthones (5-10) and one known dihydroanthracenone (11). Eight xanthones (including 1 and 2) and 11 were tested for their antiproliferative activity in three human carcinoma cell lines (lung adenocarcinoma A549, colorectal carcinoma Colo205, and epidermoid carcinoma KB) and a human acute lymphoblastic leukemia B cell line (NALM-6), and the mitochondrial membrane potential was determined in KB cells...
February 3, 2017: Planta Medica
https://www.readbyqxmd.com/read/28152321/a-case-report-of-rim-enhancing-lesion-at-the-orbital-apex
#17
Rachna Agarwal, Vikas Kanaujia, Priyadarshini Mishra, R V Phadke, Kumudini Sharma
We report a case of partial third nerve palsy resulting from a cystic lesion located at the orbital apex. Imaging was suggestive of cystic schwanomma but histopathology of the lesion confirmed epidermoid cyst, which is a rare tumour of the orbit.
February 2017: Orbit
https://www.readbyqxmd.com/read/28151901/coexistence-of-intracranial-epidermoid-tumor-and-multiple-cerebral-aneurysms-a-case-report-and-literature-review
#18
REVIEW
Pei-Sen Yao, Zhang-Ya Lin, Shu-Fa Zheng, Yuan-Xiang Lin, Liang-Hong Yu, Chang-Zhen Jiang, De-Zhi Kang
RATIONALE: There were a few case reports concerning epidermoid tumor coexisted with multiple cerebral aneurysms. Here, we present one case of coexistence of intracranial epidermoid tumor and multiple cerebral aneurysms and performed a literature review. PATIENT CONCERNS: A 42 years old male patient was admitted to our institution with complaints of headache and dizziness. INTERVENTIONS: The radiological examinations showed a hypointense lesion in the right parasellar and petrous apex region and an ipsilateral saccular aneurysm originated from the M2-M3 junction of the right middle cerebral artery (MCA) and a saccular aneurysm of the clinoid segment of right internal carotid artery (ICA)...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28151734/rapid-diffusion-weighted-magnetic-resonance-imaging-of-the-brain-without-susceptibility-artifacts-single-shot-steam-with-radial-undersampling-and-iterative-reconstruction
#19
Andreas Merrem, Sabine Hofer, Dirk Voit, K-Dietmar Merboldt, Jakob Klosowski, Markus Untenberger, Julius Fleischhammer, Jens Frahm
OBJECTIVE: The aim of this study was to develop a rapid diffusion-weighted (DW) magnetic resonance imaging (MRI) technique for whole-brain studies without susceptibility artifacts and measuring times below 3 minutes. MATERIALS AND METHODS: The proposed method combines a DW spin-echo module with a single-shot stimulated echo acquisition mode MRI sequence. Previous deficiencies in image quality due to limited signal-to-noise ratio are compensated for (1) by radial undersampling to enhance the flip angle and thus the signal strength of stimulated echoes; (2) by defining the image reconstruction as a nonlinear inverse problem, which is solved by the iteratively regularized Gauss-Newton method; and (3) by denoising with use of a modified nonlocal means filter...
February 1, 2017: Investigative Radiology
https://www.readbyqxmd.com/read/28144459/a-rare-coexistence-of-retrorectal-and-ovarian-cysts-a-case-report
#20
Setareh Soltany
INTRODUCTION: Retrorectal cysts are rare benign lesions which are frequently diagnosed in middle-aged females. According to their origin and histopathologic features, retrorectal cysts are classified as squamous-lined (dermoid or epidermoid) cysts, postanal gut (tailgut) cysts, and rectal duplications (enteric or enterogenous cysts, enterocystomas). Described in this case report is an extremely unusual patient, a woman who simultaneously had a retrorectal cyst and an ovarian serous cystadenoma in addition to a long history of misdiagnosis and multiple unsuccessful surgeries...
September 2016: Iranian Red Crescent Medical Journal
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