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February 2011 Issue

 




Other Radiology articles from the Technical/IT & Innovative section Technical/IT & Innovative

Educational treasures in Radiology: A free online program for Radiology Boards preparation by Roland Talanow et al.

Published: 2011 Feb
Issue: 5(2) :: Pages: 23-30


Free full text article: Educational treasures in Radiology: A free online program for Radiology Boards preparation

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Abstract: Purpose: An objective tool is desired, which optimally prepares for Radiology boards examination. Such program should prepare examinees with pertinent radiological contents and simulations as expected in the real examination. Background: Many countries require written boards examinations for Radiology certification eligibility. No objective measure exists to tell if the examinee is ready to pass the exam or not. Time pressure and computer environment might be unfamiliar to examinees. Traditional preparation lectures don`t simulate the "real" Radiology exam because they don`t provide the special environment with multiple choice questions and timing. Materials and Methods: This online program consists of 4 parts. The entry section allows to create questions with additional fields for comprehensive information. Sections include Pediatrics/Mammography/GI/IR/Nucs/Thoracic/Musculoskeletal/GU/Neuro/Ultrasound/Cardiac/OB/GYN and Miscellaneous. Experienced radiologists and educators evaluate and release/delete these entries in the administrator section. In the exam section users can create (un)timed customized exams for individual needs and learning pace. Exams can either include all sections or only specific sections to gear learning towards areas with weaker performance. Comprehensive statistics unveil the user`s strengths and weaknesses to help focussing on "weak" areas. In the search section a comprehensive search and review can be performed by searching the entire database for keywords/topics or only searching within specific sections. Conclusion: www.RadiologyBoards.org is a new working concept of Radiology boards preparation to detect and improve the examinee`s weaknesses and finally to increase the examinee`s confidence level for the final exam. It is beneficial for Radiology residents and also board certified radiologists to refresh/maintain radiological knowledge.


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Other Radiology articles from the Interventional Radiology section Interventional Radiology

Alcohol sclerosis of a giant liver cyst following failed deroofings by Adib R. Karam*¹, Caitlin Connolly², Urvi Fulwadhva¹, Sarwat Hussain¹ et al.

Published: 2011 Feb
Issue: 5(2) :: Pages: 19-22


Free full text article: Alcohol sclerosis of a giant liver cyst following failed deroofings

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Abstract: Percutaneous alcohol sclerotherapy for simple liver cysts is an established and safe procedure. We report alcohol ablation of a very large (5.5 liters) liver cyst that had failed laparoscopic deroofing procedures twice. The cyst responded to multisession alcohol sclerotherapy.


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Computed Tomography, Angiography, Interventional, Table

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Other Radiology articles from the Pediatric Radiology section Pediatric Radiology

A Case of Clear Cell Sarcoma of the Kidney by Arie Franco et al.

Published: 2011 Feb
Issue: 5(2) :: Pages: 8-12


Free full text article: A Case of Clear Cell Sarcoma of the Kidney

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Abstract: Clear cell renal sarcoma is a rare tumor and comprises 4% of primary pediatric malignant renal tumors. It is known as an aggressive tumor with poor prognosis. Clinically and radiographically, it resembles Wilms tumor. We present a case of a child with an abdominal mass that was diagnosed as clear cell sarcoma of her right kidney.


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Ultrasound, Computed Tomography, Macroscopic pathology, Microscopic pathology, Table

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Other Radiology articles from the Neuroradiology section Neuroradiology

Orbital plasmablastic lymphoma with remission following chemotherapy by Andrew J. Degnan et al.

Published: 2011 Feb
Issue: 5(2) :: Pages: 1-7


Free full text article: Orbital plasmablastic lymphoma with remission following chemotherapy

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Abstract: We report the case of a middle-aged HIV-positive man who presented with proptosis and retro-ocular pain. On CT and MR imaging, a retro-orbital enhancing mass was seen, and PET/CT revealed this lesion as well as a similarly characterized mass in the nasopharynx to be hypermetabolic. Biopsy and subsequent pathological characterization revealed this mass to be plasmablastic lymphoma (PBL), a rare form of non-Hodgkin`s lymphoma associated with HIV-infection. PBL is a diffuse B-cell lymphoma with characteristic cell marker patterns. The most common site of this malignancy is within the oral cavity. This case constitutes an unusual orbital manifestation of plasmablastic lymphoma as well as an unusual case in its response to chemotherapy. This case illustrates the importance of functional imaging with PET/CT in the diagnosis, management, and follow-up of plasmablastic lymphoma.


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Computed Tomography, Magnetic Resonance Imaging, Nuclear Medicine, Table

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Other Radiology articles from the Musculoskeletal Imaging section Musculoskeletal Imaging

Value of T2-mapping and DWI in the diagnosis of early knee cartilage injury by Jinfa Xu et al.

Published: 2011 Feb
Issue: 5(2) :: Pages: 13-18


Free full text article: Value of T2-mapping and DWI in the diagnosis of early knee cartilage injury

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Abstract: Objective: To study the value of T2-mapping and diffusion weighted imaging (DWI) in the diagnosis of early injury of knee cartilage. Methods: Seventy-two subjects, including healthy group (n=30) and early cartilage injury group (n=42), were tested on MR scans with T2-mapping and DWI. T2 and apparent diffusion coefficient (ADC) values of cartilage were measured after being processed at the workstation, and the differences were statistically analyzed between the two groups. Results: The mean T2 and ADC values of cartilage in early injury group and health group were respectively 51.58+-4.15 ms and 1.78+-0.35 x10-3mm2/s, 39.54+-4.02 ms and 1.44+-0.17 x10-3 mm2/s. There was significant difference between the values of T2 and ADC. Conclusion: T2 and ADC values in early cartilage injury have obviously increased. T2-mapping and DWI have high clinical value in the diagnosis of early articular cartilage injury.


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Magnetic Resonance Imaging, Table

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