Kidney

The kidney is an important organ in the abdomen that does the following:

• Water balance & blood pressure regulation,
• Acid-base balance,
• Removes toxins/cleans the blood, and
• Produces hormones (e.g. erythropoietin).

Tumours

Main article: Kidney tumours

This is mostly the domain of urology.

This article cover the common renal tumours:

• Renal cell carcinoma.
• Oncocytoma.
• Most other tumours... except urothelial tumours are dealt with in the urothelium article.

Medical kidney diseases

Main article: Medical kidney diseases

This is almost a specialty for itself. Lots of interaction with nephrologists.