 Men who present with this complaint may have Koro, but they may also be misinformed about normal genital size.Additionally, they may be suffering from penile dysmorphophobia.Penile dysmorphophobia is related to body dysmorphic disorder (BDD), defined by the Diagnostic and Statistical Manual of Mental Disorders-Fourth Edition (Text Revision) (DSM-IV-TR) as a condition marked by excessive preoccupation with an imaginary or minor defect in a facial feature or localized part of the body.