DSM-5 must emphasize that physical symptoms deserve the respect of a thorough work-up before assuming their cause is psychiatric. And people with defined medical illnesses should not be casually mislabeled as also mentally ill just because they are upset about being sick.
Sybil Exposed makes the case that the 1973 book Sybil misrepresents the facts of Shirley Mason’s life, diagnosis, and treatment. It also points to concerns that extend beyond a single case, to the diagnostic concept of multiple personalities. Still, perhaps the books suggests the need for a more systematic look at not just the case of Sybil, but also the diagnosis of dissociative identity disorder (DID).