Like most patient information, medical imaging data is subject to strict data protection and confidentiality requirements. This raises the issue of sending the data which contains a medical image on an open network as per the above issue, also there might be a leakage of information. Encrypting an Image and hiding the information in it is the Potential way of avoiding this problem. But there might be many problems when we try restoring the original image. As a solution to that, an algorithm dealing with region of intrest (ROI) in medical images based on the pixels of interest and histogram peak technique. Firstly Image histogram peak technique is used for calculating peaks in medical images. Then set the Threshold value to segregate the pixels of interest in the medical images. The threshold value can be calculated by taking an average of all peaks in the histogram. These pixels are encrypted with the help of the Sudoku matrix. The proposed scheme will be evaluated using a various test based on statistics along with those results which will be compared to benchmarks of the existing work. We can see the better performance in terms of security from the proposed technique.
Objectives: This study was undertaken to know about the magnitude, clinical spectrum and etiologyof renal diseases in children in a tertiary care teaching hospital.Materials and Methods: Thisis a hospital based, retrospective, descriptive study, done on children with renaldiseases admitted to pediatric department of Velammal Medical College, Madurai from Jan 2016-Dec 2016. Results: Renal disorders are contributing to 4.6% of total admissions. Males (61.1%%), outnumbered, females (38.9%) in our study. Children less than 5 years of age were most commonly affected (47%). Most common symptom in children with renal disorders were burning micturition/increased frequency/urgency(36.4%), fever (29.4%), decreased urine output (28.4%), abdomen distension (25.4%), pain abdomen (18.4%), vomiting (17.6%), red/cola coloured urine (11.6%). The most common sign observed wasperi-orbital puffiness (22.3%), pedal edema and ascitis in (18.8%) each, tachypnea in (10.5%) of children. The most common etiologyof renal disorders was UTI (36.4%), PUJ obstruction (18.8%), Nephrotic syndrome in (16.4%), and renal calculi (14.1%). Conclusion: Our present study has revealed that, the magnitude of childhood renal disorders is in the increasing trend, associated with wide clinical spectrum and predominance of infective etiology. Emphasis is therefore placed on high index of suspicion for atypical presentation of renal disorders andpreventing progression to chronicity.
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