Below is an instruction from Human. Write a response.
    ### Instruction:
    How to diagnose Urachal cyst ?
    ### Response:
    How is a urachal cyst diagnosed? The diagnosis of a urachal cyst may be suspected based on the presence of characteristic signs and symptoms. The following tests may then be ordered to confirm the diagnosis: Ultrasound Magnetic Resonance Imaging (MRI scan) 
    