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Dermatologic surgeons should manage both traditional oral anticoagulants and novel oral anticoagulants in a similar manner. Future studies are warranted.

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Objective: To report a case of diabetes mellitus (DM) associated with partial pancreatic agenesis and congenital heart disease (CHD) in a patient found to have a nonsense mutation of the GATA6 gene. Methods: We present the imaging, laboratory, and genetic findings, and describe the clinical course of a patient with an atypical presentation of DM as well as CHD, who was found to have partial pancreatic agenesis on computed tomography (CT) imaging. Genetic testing was performed to identify monogenic DM. Results: A 30-year-old nonobese female with a waxing and waning pattern of insulin-dependent DM diagnosed at the age of 20 was found to have partial pancreatic agenesis on CT scan. It was unclear whether the patient was experiencing undetected hyperglycemia prior to initial diagnosis of DM. She had no history of diabetic ketoacidosis (DKA) despite poorly-controlled diabetes and years without insulin treatment. The patient also had congenital tricuspid atresia, ventricular septal defect, and transposition of the great vessels with surgical correction in childhood. Partial pancreatic agenesis and CHD with atypical DM prompted genetic testing for monogenic DM, and a nonsense mutation of the GATA6 (c.1242C>A, p.C414*) gene was found. Conclusion: GATA6 mutations are associated with a broad spectrum of diabetic phenotypes, pancreatic agenesis, and a variety of CHDs. This case highlights the importance of considering monogenic diabetes in young, nonobese patients with diabetes, particularly with negative pancreatic antibodies and no history of DKA. Further, this case demonstrates the importance of testing for GATA6 mutations in any young patient with diabetes and CHD.