Below is an instruction from Human. Write a response.
    ### Instruction:
    How to diagnose Diabetic mastopathy ?
    ### Response:
    How is diabetic mastopathy diagnosed? The diagnosis of diabetic mastopathy should be considered in patients with long-standing insulin-dependent diabetes and a firm, mobile breast mass. Initial imaging may include mammography and ultrasound. While these methods can help to further differentiate the mass, they cannot provide a specific diagnosis of diabetic mastopathy with confident exclusion of malignancy.
    