diabetic patient

Female aged 50 years presented with history of type2 DM SINCE 5 years she is on inj INSULIN ! She is taking insulin on her right thigh as shown and presented with this type skin infection ! Diagnosis and treatement !

A 40 year male after taking injection developed blebs and nonhealing ulcer since 7 months.Kindly suggest me further management.

Best test to diagnose cushing syndrome in children is: A. ACTH level B. CT scan of abdomen C. Steroid assay D. Dexamethasone suppression test

skin lesions, black acne like ,on whole body, no discharge, itching , since 30 days or more,old patient,

47 yrs old female patient with not k/c/o DM and HTN having itching and peeling of skin over upper eyelids. Skin over upper eyelids became bluish. Please comment on diagnosis and treatment.