نتایج جستجو برای: radiosensitive

تعداد نتایج: 1003  

Journal: :Ethiopian journal of health sciences 2023

BACKGROUND፡ The thyroid, along with the breast, lung, and bone marrow, is among most radiosensitive organs. This study aims to assess rate of unnecessary radiation exposure thyroid gland in patients who had chest Computed Tomography (CT) at a large teaching hospital. 
 METHOD: Hospital-based retrospective cross-sectional on 1,306 underwent CT from July 2018 January 2019. Thyroid inclusion ...

Journal: :Cureus 2023

Plasma cell neoplasms include various conditions ranging from indolent such as monoclonal gammopathy of undetermined significance (MGUS) to more aggressive forms multiple myeloma (MM). The World Health Organization classifies plasmacytomas into two types: solitary osseous plasmacytoma (SOP) and extramedullary (EMP). Most primary EMPs occur in the upper gastrointestinal tract, head neck, respira...

Journal: :Nauka i innovacii v medicine 2023

Aim to assess the activity of superoxide dismutase in erythrocytes rats after a single intramuscular injection naphazoline radiofrequency dose and experimental simulation acute radiation sickness.
 Material methods. The (SOD) nafazoline modeling sickness was investigated. pharmacological properties mechanisms radioprotective action were clarified based on dynamics SOD intact irradiated ani...

Journal: :Journal of pediatric orthopedics 2016
Jeffrey E Martus Melissa A Hilmes Jared V Grice Christopher M Stutz Jonathan G Schoenecker Steven A Lovejoy Gregory A Mencio

BACKGROUND Factors that impact radiation exposure during operative fixation of pediatric supracondylar humerus (SCH) fractures have been investigated; however, no studies have measured the equivalent dose at the patient's radiosensitive organs. Our hypothesis was that intraoperative fluoroscopy exposes pediatric patients to a significant radiation load and lead shielding of radiosensitive organ...

2013
Horia Vulpe Meredith Giuliani David Goldstein Bayardo Perez-Ordonez Laura A Dawson Andrew Hope

Mucoepidermoid carcinoma of the maxillary sinus is a rare malignancy of the head and neck. The location of this tumour near vital structures and its large size at presentation makes surgical resection with negative margins challenging. In incurable cases, relief from symptoms such as epistaxis may be achieved with radiation therapy. We present a case of mucoepidermoid carcinoma of the maxillary...

Journal: :AJNR. American journal of neuroradiology 1997
J M Provenzale P Schaefer S T Traweek J Ferry J O Moore A H Friedman R E McLendon

We report the MR imaging findings in two patients with solitary craniocerebral plasmacytoma, a benign plasma cell tumor that can arise from the skull, the dura, or, rarely, the brain. In both patients, the lesion was extraaxial and nearly isointense with gray matter on T2-weighted MR images, and diffusely enhanced after administration of contrast material, bearing some similarities to meningiom...

2005
Siamak Haghdoost

Radiotherapy is one of the most common therapeutic methods for treatment of many types of cancer. Despite many decades of development and experience there is much to improve, both in efficacy of treatment and to decrease the incidences of adverse healthy tissue reactions. Around 20 % of the radiotherapy patients show a broad range in the severity of normal tissue reactions to radiotherapy, and ...

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