نتایج جستجو برای: mastoiditis
تعداد نتایج: 598 فیلتر نتایج به سال:
Mastoiditis occurs due to inflammation that can affect the structure of mastoid bone. The bone consists air cell system (MACS) which protects ear structures and regulates pressure in has different sizes characteristics, making it very difficult identify precisely. This study aims find right MACS size by developing an automatic identification model obtaining optimal threshold value segmentation ...
Atypical mycobacterium is rarely seen as a cause of chronic mastoiditis but has been increasingly recognized over the past few years. Mycobacterium abscessus is the most pathogenic and chemotherapy-resistant, rapid-growing mycobacterium of all the four groups. This paper presents a case of a 57-year-old woman who had chronic mastoiditis with recurrent exacerbations. The initial computed tomogra...
Non-Hodgkin diffuse large B-cell lymphomas of the mastoid that extend from the nasopharynx are extremely rare in children. Moreover, in lymphoproliferative diseases, the presence of otoneurological signs prior to systemic disease involvement is rare. Here, we present a rare case of non-Hodgkin B-cell lymphoma invading the middle ear and mastoid in a 1-year-old boy that mimicked acute mastoiditi...
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