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TIP urethroplasty with neourethral coverage using a vascularized pedicle of dartos flap is versatile and simple operation in management of different types of hypospadias. It has a good functional and cosmetic outcome.

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Penile strangulation is considered a rare andrological emergency that may lead to a wide range of complications. Penile strangulation may be related to mental retardation in children or hypersexuality, abnormal sexual preferences in adults. This case report shows a 23-year-old male who presented to the emergency room with agonizing pain related to a metallic ring placed at the base of the penis for more than 8 hours during an attempt of masturbation. Removing this metallic ring and saving the patient's penis from gangrene without causing injury were very challenging. Patient was successfully managed and had an uneventful recovery.

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This paper is focused on using the conventional Proportional, Integral and Derivative (PID) controllers optimised using Genetic Algorithm (GA) to control the speed of a Combined Cycle Power Plant (CCPP). The system is simulated using MATLAB/Simulink and the PID controller is implemented as a box in the simulation where the parameters KP, KI and KD have been determined using the GA. Different types of the PID controller have been tried in order to obtain the required speed response which achieves certain transient and steady state behaviour.