نتایج جستجو برای: tomography
تعداد نتایج: 183629 فیلتر نتایج به سال:
چکیده ندارد.
Anterior stafne bone cyst is a rare and infrequent variant located between the lower incisor and the premolar area above the insertion of the mylohyoid muscle. Stafne bone cyst is a well-defined radiolucent cavity that is usually found as an incidental finding in the radiographic examination. In this article, a rare case of anterior stafne bone cyst is reported that resembled a radicular cyst, ...
objectives: accurate localization of the inferior alveolar canal (iac) is extremely important in some dental treatments. anatomical variation of the canal means that it can be difficult to locate. the purpose of this study was to assess the relationship of the gonial angle (ga) size and iac position using cone beam computed tomography (cbct). materials and methods: in this in vitro study, 61 dr...
the ribs are essential structures of the osseous thorax that provide certain significant information and aid interpretation of radiologic images in daily routine practice. intrathoracic rib is a rare congenital anomaly that is usually discovered incidentally, but may cause in vain interventions in case of being unaware. we herein report an intrathoracic rib in a girl whose chest x-ray was stran...
osteoma is a benign, slow-growing osteogenic tumor that sometimes arises from the craniomaxillofacial region, such as the sinus, temporal or jaw bones. osteoma consists of compact or cancellous bone that may be peripheral, central or extraskeletal type. peripheral osteoma arises from the periosteum and is commonly a unilateral, pedunculated mushroom-like mass. peripheral osteoma of the mandible...
abnormal elongation of the mandibular coronoid process is rare and its etiology is not yet elucidated. the aim of this report is to demonstrate and discuss the relationship between elongated mandibular coronoid process and limitation of mouth opening with cone beam computed tomography. although the clinical characteristic of elongation of the coronoid process is mandibular limitation, in this r...
primary pancreatic leiomyosarcomas are rare malignant neoplasms with an aggressive course and a large size. a 56-year-old woman presented with an 8-year history of abdominal pain. multislice computed tomography revealed a large heterogeneous mass with necrotic, calcified and macroscopic fatty areas. the tumor was excised. histopathological evaluation revealed leiomyosarcoma of the pancreas. if ...
زمینه و هدف:cone beam computed tomography (cbct) اطلاعات خوبی در زمینه تشخیص و درمان پریودنتال ارائه می دهد. با توجه به میزان کم تحقیقات در اندازه گیری استخوان پریودنتال با استفاده از cbct، هدف از این مطالعه بررسی دقت cbct در اندازه گیری ضایعات مختلف استخوانی و مقایسه آن با روش رادیوگرافی داخل دهانی و پروب بود.روش بررسی: 218 ضایعه استخوانی مصنوعی (اینفرابونی سطح باکال- لینگوال، اینترپروگزیمال، ...
purpose : to study optical coherence tomography (oct) findings in high myopic patients with the history of uncomplicated cataract surgery methods : the sample included 34 eyes of 24 highly myopic patients with an axial length (al) of 26 mm or more and a spherical equivalent (se) of 8.0 diopter (d) or more who had uncomplicated phacoemulsification cataract surgery. octs were done in multiple sec...
introdouction: mastoid pneumatization is often complete by the age of 5-years and may involve the temporo mandibular joint (tmj) region, including the pneumatized articular tubercle (pat) and pneumatized roof of the glenoid fossa (prgf). to prevent surgical complications, the diagnosis of these air cells is important. the aim of this study was to determine the prevalence and characteristics of ...
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