A patient with complaints of having a deformed nose. He has visited several plastic surgeons but they have assured that there is nothing wrong with his nose. In spite of these reassurances, he continues to believe that his nose is deformed, He also complains that nobody takes him seriously because of the deformity of his nose, and he is extremely embarrassed because of this. he is most probably sufferingfrom:

Delusional disorderFalse, firm, fixed, unshakable belief that patient holds (nose deformed) irrespective of reassurances, goes towards DELUSION. If the option of body dysmorphic disorder with absent insight, was there , it would have been the best answer. Acc to DSM-5, if a patient has delusional Belief about body appearance, body dysmorphic disorder with absent insight should be preferred over delusional disorder