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https://www.readbyqxmd.com/read/29786576/the-histological-and-electron-microscopic-study-of-the-parotid-salivary-gland-in-dehydrated-rats-of-different-ages
#1
Denys P Biletskyy, Oleg A Ustiansky, Olena S Maksymova, Pavel A Moskalenko, Alexey A Tymoshenko, Anna S Degtyarenko, Viktoriia Yu Harbuzova, Yevhen I Dubovyk, Andrii P Voznyi, Gennadii F Tkach
OBJECTIVE: Introduction: Water-salt metabolism disorders is one of the main factor of salivary gland pathology development. The aim: To study the morphological structure of the parotid salivary gland of young, mature and old rats at micro- and ultrastructural levels under water deprivation. PATIENTS AND METHODS: Materials and methods: The experiment was carried out on thirty six laboratory male rats of different ages (young, mature and old). The rats of the control group received normal volume of drinking water...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29785551/salivary-duct-carcinoma-evaluation-of-treatment-and-outcome-in-a-tertiary-referral-institute
#2
Ann-Jean C C Beck, Peter J F M Lohuis, Abrahim Al-Mamgani, Laura A Smit, Willem M C Klop
PURPOSE: The aggressive behavior of salivary duct carcinoma (SDC) necessitates an aggressive treatment strategy, including surgery and radiotherapy (RT). We evaluated practice patterns and treatment outcomes in patients with SDC treated in our Institute. METHODS: Patients with SDC of the parotid or submandibular gland treated with curative intention in our Institute from 1998 until 2016 were reviewed. Our diagnostic workup and treatment strategy were evaluated together with treatment outcomes...
May 21, 2018: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29784466/knowledge-gaps-persist-and-hinder-progress-in-eliminating-mumps
#3
REVIEW
R Ramanathan, E A Voigt, R B Kennedy, G A Poland
Mumps, a common childhood disease in the pre-vaccine era that causes swelling of the parotid salivary glands, can lead to orchitis, viral meningitis, and sensorineural deafness. While the incidence of disease decreased dramatically after the vaccine was added to standard vaccination schedules, the disease has made a substantial resurgence in recent years. As a result, it becomes critical to examine the factors involved in recurring outbreaks. Although low and incomplete vaccination coverage may be a key reason, it does not fully explain the issue due to the high rate of occurrence in populations with high vaccination coverage rates...
May 18, 2018: Vaccine
https://www.readbyqxmd.com/read/29778636/surgeon-performed-ultrasound-for-the-assessment-of-parotid-masses
#4
Melissa Zheng, Karolina A Plonowska, Madeleine P Strohl, William R Ryan
BACKGROUND: Studies on parotid gland ultrasound assessments performed specifically by surgeons are seldom reported. METHODS: Retrospective series of a single academic surgeon experience, analyzing 70 new parotid masses with evaluable preoperative SP-US characteristics, location measurements, and perioperative events. RESULTS: 31/70 masses were malignant. SP-US characteristics significantly associated with both malignancy and positive margins included extraparenchymal extension, irregular borders, hypervascularity, infiltration, and the lack of deep enhancement...
April 16, 2018: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/29778285/subcutaneous-tissue-metastasis-from-glioblastoma-multiforme-a-case-report-and-review-of-the-literature
#5
Natalia Frade Porto, Juan Delgado Fernández, María de Los Ángeles García Pallero, Juan Ramón Penanes Cuesta, Paloma Pulido Rivas, Ricardo Gil Simoes
Glioblastoma multiforme is the most common primary brain tumor, despite an aggressive clinical course, less than 2% of patients develop extraneural metastasis. We present a 72-year-old male diagnosed with a right temporal glioblastoma due to headache. He underwent total gross resection surgery and after that the patient was treated with adyuvant therapy. Five months after the patient returned with trigeminal neuralgia, and MRI showed an infratemporal cranial mass which infiltrates masticator space, the surrounding bone, the temporal muscle and superior cervical and parotid lymph nodes...
May 16, 2018: Neurocirugía
https://www.readbyqxmd.com/read/29775003/-extracapsular-dissection-versus-superficial-parotidectomy-for-treatment-of-parotid-benign-tumors-evidence-based-medicine-analysis
#6
Z Y Jia, X Y Zhang, C B Jiang, Y Z Zhao, R Zhang, X H Fan, Y H Zhang
Objective: The aim of this study is to systematically assess the clinical outcomes of extracapsular dissection (ECD) and superficial parotidectomy (SP), and to provide evidences for the clinical decision for treatment of parotid gland benign tumors. Method: Relevant studies that compared the outcomes of extracapsular dissection and superficial parotidectomy for the parotid benign tumors were searched in Pubmed, CNKI and Wangfang data databases, and Meta-analysis was performed using software RevMan 5.0. Result: Fifteen studies were selected for the Meta-analysis...
June 5, 2017: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29771083/-the-clinical-assessment-of-regional-resection-in-the-benign-tumor-of-parotid-gland
#7
H B Gu, E M Zhao, T C Li, H Shen, T C Cong, Y Qin, Y H Liu, S F Xiao
Objective: To evaluate the clinical assessment of regional resection and superficial lobe total resection in the treatment of benign tumors of the parotid gland. Method: One hundred and nighty-five patients operated in the First Hospital of Peking University from January 1998 to March 2017 with benign tumor of the parotid gland were retrospectively analyzed. There were 189 patients with single side tumor and 6 patients with bilateral sides, 157 cases underwent regional resection and the other 44 cases underwent superficial lobe total resection...
May 2018: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29770262/cross-sectional-imaging-of-parotid-gland-nodules-a-brief-practical-guide
#8
REVIEW
Giuseppe Cicero, Tommaso D'angelo, Sergio Racchiusa, Ignazio Salamone, Carmela Visalli, Antonio Bottari, Alfredo Blandino, Silvio Mazziotti
Clinical evaluation and ultrasound examination are the first steps in the evaluation of a patient with a swelling of the parotid region. After the detection of a nodular lesion, cytological or histological confirmation is usually performed to achieve the diagnosis, while the choice of cross-sectional imaging (computed tomography scan and magnetic resonance imaging) may significantly vary from one physician to another, on the basis of the degree of confidence that both radiologist and surgeon have with this kind of imaging...
2018: Journal of Clinical Imaging Science
https://www.readbyqxmd.com/read/29768362/intraductal-papilloma-arising-from-the-accessory-parotid-gland-a-case-report-and-literature-review
#9
Shuai Sun, Panpan Wang, Yufan Wang, Wen Su, Feng Wang, Hongyu Yang
RATIONALE: Intraductal papillomas of the accessory parotid glands are extremely rare benign tumors that are most commonly derived from minor salivary glands and are easily misdiagnosed as other diseases. Studying these lesions by pathology and immunohistochemistry can raise awareness of the disease, reduce the rate of misdiagnosis, and provide more precise treatments. PATIENT CONCERNS: A 35-year-old man first presented to our hospital with a 6-month history of a painless mass on his left parotid gland...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29766609/effects-of-colostrum-whey-on-immune-function-in-the-digestive-tract-of-goats
#10
Shoko Matsukawa, Kazutoshi Ueno, Toshihisa Sugino, Yukinori Yoshimura, Naoki Isobe
The objective of the present study is to examine whether colostrum whey can have an effect on immune function in goats digestive tract. Two milliliters of colostrum whey (colostrum group) or water (control group) were administrated orally to goats every day for 3 weeks. Blood was collected twice a week for 3 weeks to measure immunoglobulin A (IgA), interleukin 8 (IL-8), and IL-10. At the end of the experimental period, the parotid glands, oral mucosa, lingua, esophagus, jejunum, and ileum were collected for immunohistochemical detection of IgA, cathelicidin-7, and S100A8...
May 16, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29766278/adenomatous-ductal-proliferation-hyperplasia-in-the-parotid-gland-associated-without-any-other-pathological-lesions-a-report-and-survey-of-the-literatures
#11
Bhoj Raj Adhikari, Michiko Nishimura, Kosuke Takimoto, Fumiya Harada, Aya Onishi, Daichi Hiraki, Durga Paudel, Puja Neopane, Masafumi Utsunomiya, Tetsuro Morikawa, Koki Yoshida, Jun Sato, Mamata Shakya, Eiji Nakayama, Hiroki Nagayasu, Yoshihiro Abiko
Adenomatous ductal proliferation/hyperplasia (ADP/H) is a rare hyperplastic condition of the salivary gland. It is mostly associated with other salivary gland pathologies such as tumors and inflammations, and is incidentally found in tissue sections during histopathological examinations of those diseases. Herein, we report a case of ADP/H in the parotid gland not associated with any other pathological lesions, and present a review of the literature on this condition. A 60-year-old Japanese female complained of swelling on the left side of parotid region...
May 15, 2018: Medical Molecular Morphology
https://www.readbyqxmd.com/read/29765826/rates-and-locations-of-regional-metastases-in-sinonasal-malignancies-the-mayo-clinic-experience
#12
Brandon W Peck, Kathryn M Van Abel, Eric J Moore, Daniel L Price
Objectives  The objective of this study was to identify factors that may influence the rate and location of regional metastasis in sinonasal malignancies (SNMs). Design  This is a retrospective review. Setting  This study was set at the single-institution tertiary referral center. Participants  A total of 299 patients were treated for SNMs from 1994 to 2014. Main Outcome Measures  The main outcome measures were incidence and distribution of regional metastases. Results  Several histologic subtypes were treated, with squamous cell carcinoma (28...
June 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29765265/is-volumetric-modulated-arc-therapy-with-constant-dose-rate-a-valid-option-in-radiation-therapy-for-head-and-neck-cancer-patients
#13
Annamaria Didona, Valentina Lancellotta, Claudio Zucchetti, Bianca Moira Panizza, Alessandro Frattegiani, Martina Iacco, Anna Concetta Di Pilato, Simonetta Saldi, Cynthia Aristei
Background: Intensity-modulated radiotherapy (IMRT) improves dose distribution in head and neck (HN) radiation therapy. Volumetric-modulated arc therapy (VMAT), a new form of IMRT, delivers radiation in single or multiple arcs, varying dose rates (VDR-VMAT) and gantry speeds, has gained considerable attention. Constant dose rate VMAT (CDR-VMAT) associated with a fixed gantry speed does not require a dedicated linear accelerator like VDR-VMAT. The present study explored the feasibility, efficiency and delivery accuracy of CDR-VMAT, by comparing it with IMRT and VDR-VMAT in treatment planning for HN cancer...
May 2018: Reports of Practical Oncology and Radiotherapy
https://www.readbyqxmd.com/read/29764037/-the-value-of-high-resolution-diffusion-weighted-imaging-in-differentiating-benign-and-malignant-epithelial-tumors-of-parotid-gland
#14
B H Wen, J L Cheng, H X Zhang, Z X Zhang, F F Wang, K K Xue
Objective: To investigate the diagnostic value of RESOLVE DWI in the evaluation of benign and malignant epithelial tumors of parotid gland. Methods: A total of 106 patients in the First Affiliated Hospital of Zhengzhou University with epithelial tumors of parotid gland confirmed by pathology from July 2015 to October 2017 were retrospectively analyzed. All patients underwent preoperative routine MRI and RESOLVE DWI, the ADC average values were calculated, t test were used to compare the ADC values of benign and malignant epithelial tumors of parotid gland...
May 8, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29763370/novel-interleukin-33-and-its-soluble-st2-receptor-as-potential-serum-biomarkers-in-parotid-gland-tumors
#15
Sowa Pawel, Misiolek Maciej, Zielinski Maciej, Mazur Bogdan, Adamczyk-Sowa Monika
An increasing number of patients with parotid gland tumors have been observed in recent years. The relationship between the immune system and tumor formation is thoroughly investigated. However, newly discovered molecules offer a new insight into the pathophysiology of malignancies. It would be ideal to find an easily determinable biomarker of tumor existence, its malignant potential or a biomarker suggesting the probability of disease recurrence. Our study is the first to examine serum concentrations of IL-33 and its sST2 receptor in patients with various types of parotid gland tumors...
May 2018: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/29761987/-comparison-of-planning-quality-and-delivery-efficiency-between-volumetric-modulated-arc-therapy-and-dynamic-intensity-modulated-radiation-therapy-for-nasopharyngeal-carcinoma-with-more-than-4-prescribed-dose-levels
#16
Pengfei Jia, Jun Xu, Xiaoxi Zhou, Jian Chen, Lemin Tang
The aim of this study is to compare the planning quality and delivery efficiency between dynamic intensity modulated radiation therapy (d-IMRT) and dual arc volumetric modulated arc therapy (VMAT) systematically for nasopharyngeal carcinoma (NPC) patients with multi-prescribed dose levels, and to analyze the correlations between target volumes and plan qualities. A total of 20 patients of NPC with 4-5 prescribed dose levels to achieve simultaneous integrated boost (SIB) treated by sliding window d-IMRT in our department from 2014 to 2015 were re-planned with dual arc VMAT...
December 1, 2017: Sheng Wu Yi Xue Gong Cheng Xue za Zhi, Journal of Biomedical Engineering, Shengwu Yixue Gongchengxue Zazhi
https://www.readbyqxmd.com/read/29759308/the-value-of-adjuvant-radiotherapy-in-cutaneous-squamous-cell-carcinoma-a-review
#17
J Cañueto, A Jaka, A Toll
Cutaneous squamous cell carcinoma (cSCC) is the second most common cancer in humans and its incidence is rising. Although surgery is the treatment of choice for cSCC, postoperative adjuvant radiotherapy has an important role in local and locorregional disease control. In this review, we analyze the value of postoperative radiotherapy therapy in the management of high-risk cSCC (in particular, cases with perineural invasion), cSCC with positive surgical margins, and locally advanced cSCC (with parotid gland and/or lymph node metástasis)...
May 11, 2018: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/29756241/long-term-outcomes-and-prognosis-in-submandibular-gland-malignant-tumors-a-multicenter-study
#18
Davide Lombardi, Remo Accorona, Arnaud Lambert, Giuseppe Mercante, Ruxandra Coropciuc, Alberto Paderno, Davide Lancini, Giuseppe Spriano, Piero Nicolai, Vincent Vander Poorten
OBJECTIVES/HYPOTHESIS: Submandibular gland tumors (SMGTs) are rare and characterized by heterogeneity in histologic profiles. The aim of the present study was to retrieve data on submandibular gland (SMG) malignancies and identify factors influencing survival. STUDY DESIGN: Retrospective study. METHODS: A multicenter, retrospective study on patients who underwent primary surgery for SMGTs at three referral centers was performed. RESULTS: Among 204 patients with SMGTs, 50 (24...
May 14, 2018: Laryngoscope
https://www.readbyqxmd.com/read/29755898/an-unusual-presentation-of-kikuchi-fujimoto-disease-with-recurrent-subdural-effusion
#19
Sara Shahid, Syed H Alam, Indira Hadley
A 24-year-old man complained of a right temporal headache for four weeks. The patient denied any trauma or previous anticoagulation use. He also reported tender right facial swelling. His physical exam was unrevealing except for right cranial nerve (CN) VI palsy, right parotid enlargement, and cervical adenopathy. Laboratory findings were significant for mild leukopenia at 3300 cells/uL. The computed tomography (CT) scan obtained showed a chronic left subdural effusion with a 4 mm midline shift and confirmed right parotid enlargement and cervical lymphadenopathy...
March 10, 2018: Curēus
https://www.readbyqxmd.com/read/29754976/histopathological-changes-in-parotid-gland-following-submandibular-gland-failure-an-experimental-animal-study
#20
Yavuz Sultan Selim Yıldırım, Irfan Kaygusuz, Ibrahim Hanifi Ozercan, Hasan Cetiner, Oner Sakallioglu, Abdulvahap Akyigit, Sertac Duzer
INTRODUCTION: Submandibular glands are exposed to many effects due to diseases and therapeutic interventions. A study evaluating the effect of submandibular gland dysfunction on the parotid gland has not been presented in the literature. OBJECTIVE: The aim of this study was to evaluate the histopathological changes in the parotid gland following submandibular gland failure. METHODS: Three groups of seven randomly selected female New Zealand rabbits weighing 2500-3000g were studied...
April 24, 2018: Brazilian Journal of Otorhinolaryngology
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