Answer by  
                                                                                          JSmith0330 (616)
                                                            
                          
                          
                                                           Plantar Fibroma is a fibrous knot in the arch of your foot. An exact cause for plantar Fibroma is unknown but doctors say agree their are some potential causes that play a role. some are caused by trauma  or even different types of medications , as well as supplements, vitamins