نتایج جستجو برای: nasopharynx
تعداد نتایج: 7932 فیلتر نتایج به سال:
The aim of this paper is to present technic and technological aspects related to coblation surgery on the malignant tumors of the nasopharynx. The methodology of this paper is to investigate preand post-operative aspects of the neoplasms of the nasopharynx which underwent volumetric reduction using coblation surgery. The conclusions emphasize the utility of coblation technology associated with ...
Ectopic thyroid tissue of nasopharynx is an uncommon phenomenon and papillary thyroid carcinoma arising from the tissue is extremely rare. The authors report a rare case of 16-year-old girl with papillary thyroid carcinoma of nasopharynx. Clinicians were ever confused by adenoid hypertrophy and solved the diagnostic dilemma by adequate examinations. In the case, we mainly emphasize that surgeon...
Hemangiomas are benign tumors originating in the vascular tissues of skin, mucosa, muscles, glands, and bones. Although these tumors are common lesions of the head and neck, they rarely occur in the nasal cavity and paranasal sinuses. Cavernous haemangioma of the lateral wall of the nasopharynx has not previously been reported. We examined the clinical, radiological and therapeutic management o...
Streptococcus pneumoniae is a common human pathogen that accounts for >1 million deaths every year. Colonization of the nasopharynx by S. pneumoniae precedes pulmonary and other invasive diseases and, therefore, is a promising target for intervention. Because the receptors scavenger receptor A (SRA), macrophage receptor with collagenous structure (MARCO), and mannose receptor (MR) have been ide...
BACKGROUND Streptococcus pneumoniae is one of the major bacterial pathogens colonizing nasopharynx, and often causes upper respiratory tract infections in children. We investigated the prevalence of S. pneumoniae in nasopharynx and adenoid core in 57 children aged 2-5 years who underwent adenoidectomy for recurrent pharyngotonsillitis, and we determined serotypes and antibiotic resistance patte...
We investigated the nasopharynx and oropharynx microbiota in sickle cell disease (SCD) to identify the microorganisms, antibiotic sensitivity, prevalent serotypes, and association of with laboratorial markers. Oropharynx/nasopharynx secretions were investigated in 143 SCD children aging 6 months to 17 years. Pathogens were isolated using standard procedures, and laboratorial markers were perfor...
background: hdr brachytherapy is one of the commonest methods of nasopharyngeal cancer treatment. in this method, depending on how advanced one tumor is, 2 to 6 gy dose as intracavitary brachytherapy is prescribed. due to high dose rate and tumor location, accuracy evaluation of treatment planning system (tps) is particularly important. common methods used in tps dosimetry are based on computat...
introduction : haemophilus influenzae is a gram-negative bacterium causing a variety of respiratory infections in developing countries, especially in children. nasopharynx carriers of h. influenzae are the prominent source and transitional vectors of invasive diseases. as very limited information on h. influenzae carriage rate in iran was available, an evaluation on prevalence of this bacterium...
introduction: nasopharyngeal carcinoma (npc) is a common cancer in the north-east region of india. though the role of environmental contributors of npc in the north-eastern part of india is firmly established, ebv as an etiological agent in the region remains unexplored. material and methods: fifty-one patients, who presented at the department of ent, neigrihms and were confirmed as npc upon hi...
OBJECTIVE Determine the presence of nasopharynx biofilms in patients with nasopharyngeal cancer (NPC) and osteoradionecrosis (ORN) and patients with NPC but no ORN. STUDY DESIGN Cross-sectional study. SETTING Tertiary referral medical center. SUBJECTS AND METHODS We enrolled 27 patients with NPC from our outpatient clinic during January 2010 to June 2012. These patients were diagnosed wit...
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