Your doctor may order a mammogram to better evaluate a suspicious lump or pain in the breast. All mammals have breasts and humans are no exception. A physical exam, Breast pain in boys with Breast pain in boys mammogram and CT scan, can be used to identify the size and location of the cyst. Breast cancer is a very rare cause of breast pain in males, though the condition may be more common than you might think. Since long before the invention of the bottle, babies have been nursed fed milk straight from their mothers' nipples. Harrison's Principles of Internal Medicine. Most PMS symptoms, including breast soreness, should disappear as your period begins.