Intriguing association between type 1 diabetes mellitus, Gitelman syndrome and Cacci-Ricci disease: Triad of rare diseases: A case report.

We report the case of a patient who exhibits a concurrent diagnosis of type 1 diabetes mellitus, Gitelman syndrome and Cacci-Ricci disease. A 27-year-old male patient was diagnosed with Gitelman syndrome at the age of 3 years. Fourteen years later, he developed an autoantibody-negative type 1 diabetes mellitus.