نتایج جستجو برای: aided lesion diagnosis
تعداد نتایج: 577752 فیلتر نتایج به سال:
This paper presents a computer-aided diagnosis system for pigmented skin lesions, with solutions for the lesion boundary detection and for the quantification of the degree of symmetry. Lesion detection results were validated by expert dermatologists, who also provided hand-drawn boundaries of the lesions. These reference boundaries were not used as a gold standard, but were allowed to statistic...
OBJECTIVES To investigate whether the human sciatic nerve might have a consistent somatotopic organization according to proximal fascicle input by spinal nerves. METHODS Twelve patients (55.3 ± 15.5 years) with confirmed lesions of either the L5 or S1 spinal nerve root underwent magnetic resonance neurography of sciatic nerve fascicles including thigh and knee levels (T2-weighted sequence wit...
Introduction: Ostoid osteoma is a benign bone tumor characterized by pain especially at night, which is relieved with aspirin. Hand is an uncommon site of this tumor. Here a case of ostoid osteoma in middle phalanx is reported. Case Report: The patient of the present case study was a 26-year-old woman referred due to a pain in her left ring finger. The diagnosis was made pre-operatively thr...
Abstract Background Parotid tumors are frequently encountered by otolaryngologists, and the vast majority of these pleomorphic variety. Myoepitheliomas represent a small subset parotid tumors. Due to their lack specificity, they can easily be mistaken an untrained eye for adenoma. However, recent advent immunohistochemical staining has aided in diagnosis. These show both benign malignant potent...
Due to its increasing incidence, skin cancer, and especially melanoma, is considered a major public health issue. Manually detecting lesions (SL) from dermoscopy images difficult time-consuming process. Thus, researchers designed computer-aided diagnosis (CAD) systems assist dermatologists in the early detection of cancer. Moreover, SL naturally exhibits long-tailed distribution due complex pat...
1. Introduction Liver lesions stem from a variety of causes ranging from benign to malignant. The ability to efficiently and accurately differentiate these lesions as malignant or benign using non-invasive medical imaging is important to patient treatment and outcome. Contrast-enhanced computed tomography (CT) imaging is the dominant technology used for liver lesion diagnosis [1]. This modality...
Dermatofibrosarcoma protuberans (DFSP) is a rare coetaneous sarcoma that originates from fibroblasts of dermis and presents as a non tender coetaneous nodule. Local slow invasion, recurrence after therapy and low risk of metastasis are its main specifications. Pathology and immunohistochemistry are used to diagnose and wide surgery is the best approach for treatment. We present a case of recu...
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