نتایج جستجو برای: temporal bone ct scan
تعداد نتایج: 701863 فیلتر نتایج به سال:
Abstract B-cell lymphoblastic lymphoma (B-LBL) is an uncommon subtype of pediatric non-Hodgkin Lymphoma (NHL) which rarely involves the skin primarily. The positron emission tomography with 2-deoxy-2-[fluorine- 18] fluoro-D: -glucose integrated with computed tomography (18F-FDG PET/CT) scan findings of a 8-year-old boy with cutaneous B-LBL were presented. PET/CT scan demonstrated mild FDG up...
Introduction: Mandibular fracture is the most common facial bone fracture due to facial trauma. A variety of imagings have been used for diagnosis of mandibular fractures. However, the choice of imaging for diagnosis of mandibular fractures is controversial.Present study compares the accuracy of the three most common imaging methods in mandibular fracture diagnosis panoramic radiography, coron...
Despite the long history of the worldwide use of Bacillus Calmette-Guerin (BCG) vaccine, a wide spectrum of adverse reactions has been observed in a small proportion of immunized infants; the most severe complication, disseminated BCGitis, is often fatal but exceedingly rare and is considered to result from host immunodeficiency. At present, CT scan, ultrasound, X-ray and bone marrow aspi...
Introduction. Myositis ossificans traumatica (MOT) refers to a benign, localized ectopic bone formation within skeletal muscle bundles related traumatic injury. MOT rarely affects masticatory muscles, and it represents major diagnostic therapeutic problem for clinicians. Currently, the treatment of choice is complete excision calcified mass after maturation resection affected bone. Case report....
(cavities), canals, and fissures. Crucial nerves, blood vessels, and auditory and vestibular organs coexist in this dense bone structure in a complex 3D configuration , causing medical science to once regard the temporal bone as a surgically forbidden area (see Figure 1). Today, otolaryngology (ear, nose, and throat) surgeons still find it difficult to envision and master these complex anatomic...
(18)F-FECH-PET/CT has been proved to be an imaging agent for prostate carcinoma. However, its role in detecting the bone metastases is still blurred owing to the lack of related studies. The purpose of our study was to assess the efficacy of PET with (18)F-ethylcholine in assessing the bone status and to compare the results with that of conventional bone scan findings. For this purpose, we sele...
Although traumatic injury of the facial nerve is a relatively common condition in neurosurgical practice, bilateral lesions related to fracture of temporal bones are seldom seen. We report the case of a 38-year-old patient admitted to Intensive Care Unit after severe head trauma requiring ventilatory support (Glasgow Coma Scale of 7 on admission). A computed tomography (CT) scan confirmed a lon...
Juxtacortical chondrosarcoma is a rare primary malignant cartilaginous tumor accounting for 0.2% of all bone tumors. Wide surgical resection is the treatment of choice for juxtacortical chondrosarcomas. Accurate preoperative diagnosis is important in ensuring appropriate management, staging, and treatment of the patient. A combination of radiographs, three-dimensional imaging with computerized ...
Chronic Suppurative Otitis Media (CSOM) is a chronic inflammation of middle ear cleft. It presents with discharging ear and decreased hearing. The diagnosis is mostly on clinical examination with otoscope or oto endoscope. Computerised Tomography (CT) of mastoids is done to evaluate the extent of the disease and its complication. High resolution CT is now the investigation of choice for tempora...
Materials and Methoqs Thin section CT of a left human cadaveric temporal bone was performed using multiple scan planes (axial, coronal, sagittal) at 1.5 mm slice thickness, 0.25 mm pixel size with an edge enhancement 2D algorithm. CT data was converted to toggle point format based upon a threshold value of 200 obtained from prior experimentation with a CT phantom (unpublished data). Selective L...
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