Rare case of type B insulin resistance in association with systemic lupus erythematosus: illustrating diagnostic and management challenges.

A 42 year-old Caribbean woman with, known type 2 diabetes, was admitted with worsening fatigue, arthritis and rashes. She was diagnosed with multisystem systemic lupus erythematosus and was initially treated with systemic steroids. During this admission, she had persistently elevated capillary glucose levels with insulin requirements over 8 U/kg/day that still did not control her blood glucose levels.