What are the parameters for CKD to start dialysis of patient? Or when to start dialysis?

male 45 years history DM2, hypertension, diabetic neuropathy, 15 days ago dipped his both feet in warm water, he did not realize that was boiling, positive culture for S. aureus, treatment? .

84 year old with a lump in the right breast since 1 week. No history of trauma. O/e - 3*3 cm well defined firm lump in upper outer quadrant of right breast. Not fixed to skin or underlying muscle. No enlarged axillary LN. Share your views regarding the mammogram

A 20-year-old male presented with progressive lesion in his nail. I tried a course of Bactrim for 7 days without significant improvement. No water exposure. No pets. No gardening. The lesion is not painful at this time. What’s your differential diagnosis?

60 yrs old lady came with this skin lesion on her ankle joint since 1 yr after injury on her ankle joint. investigated for diabetes several times but she is non diabetic. lesion has purulent watery discharge with no any offensive odour. but it's incurable since last one year. What is the DX and what is the Rx for this patient.

62 years female patient came with following lesion on both elbow, ankle and knee. c/o itching over them. kindly diagnose and provide direction for management.