نتایج جستجو برای: cystic bone lesions
تعداد نتایج: 501861 فیلتر نتایج به سال:
Background: Aneurysmal bone cyst (ABC) is a rare benign non-odontogenic that occurs most commonly in the posterior mandible. Occurrence mandibular condyle rare. We present case was initially misdiagnosed as parotid gland tumor and later found to be an ABC. Case Presentation: A 19-year-old man presents with painless firm swelling on right preauricular region. Panoramic imaging revealed radioluce...
OBJECTIVES To describe atypical ultrasound features of parathyroid lesions and correlate them with clinical presentation and histopathology. MATERIALS AND METHODS Retrospective review of 264 patients with primary hyperparathyroidism who underwent ultrasound imaging prior to parathyroidectomy was performed. Patients with atypical ultrasound findings (n = 26) were identified; imaging findings w...
Congenital vascular lesions occur most often in children. Parents of these children take them to maxillofacial surgeons directly or during the treatment of other complications such as infection or jaw bone disorders. Various terms now used are unable to describe the pathogenesis and mechanism of the effect of vascular lesions on growth and development of facial bone. Term of hemangioma is used...
This report is a brief presentation of one case of Oilier's disease. Ollier's disease (multiple enchondromata) patients have widespread involvement of the skeleton, especially the hands the lesions are detected because of bone pain or deformity. Virtually all cases have been sporadic. Roentgenographically, the lesions may be detectable in early infancy as clear, homogeneous, oval lesions w...
Pancreatic cystic lesions (PCLs) may represent malignant or premalignant neoplasms and require diagnostic evaluation. Patient’s demographics and clinical presentation should be considered when diagnosing PCLs. Radiologically, location, ductal relation, external contour, wall, and septal enhancement give important clues for each type of lesion. Imaging features that suggest a high malignancy ris...
Problem statement: Elastography is developed as a quantitative approach to imaging linear elastic properties of tissues to detect suspicious tumors. We propose an automatic feature extraction method in ultrasound elastography and echography for characterization of breast lesions. Approach: The proposed algorithm was tested on 40 pairs of biopsy proven ultrasound elastography and echography imag...
OBJECTIVE To document bone mineral density of children and adolescents with cystic fibrosis. DESIGN Cross-sectional study. SETTING Tertiary-care center of Northern India, July 2012 to August 2015. PARTICIPANTS 52 children aged 6-18 years with cystic fibrosis and 62 healthy controls of similar age and sex. METHODS Both patients and controls were stratified into two groups, as pre-puberta...
OBJECTIVE To determine the effects of respiration on the size of lung cysts by comparing inspiratory and expiratory high-resolution CT (HRCT) scans. MATERIALS AND METHODS The authors evaluated the size of cystic lesions, as seen on paired inspiratory and expiratory HRCT scans, in 54 patients with Langerhans cell histiocytosis (n = 3), pulmonary lymphangiomyomatosis (n = 4), confluent centrilo...
OBJECTIVE The aim of this study was to describe MR findings of osteofibrous dysplasia. MATERIALS AND METHODS MR images of 24 pathologically proven osteofibrous dysplasia cases were retrospectively analyzed for a signal intensity of the lesion, presence of intralesional fat signal, internal hypointense band, multilocular appearance, cortical expansion, intramedullary extension, cystic area, co...
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