A 39-year-old man presented to the emergency department with a 4-week history of abdominal pain and constipation. Physical examination of the abdomen was normal, but he was noted to have gray lines along the margins of his lower gum.
What is the most likely diagnosis?
B. Bismuth poisoning
C. Adults Still’s disease
D. Behçet’s syndrome
E. Lead poisoning
Answer to be disclosed shortly!
Note: The present case appears in NEJM