This book describes the Hematuria (blood in urine) and the Its Use in Diseases Diagnosis.
Two types of blood in the urine exist:
1. Gross hematuria
2. Microscopic hematuria
Causes of hematuria are
1. Ureteric or kidney or bladder stones
2. Cancer of the kidney or bladder
3. Inflammation of the kidney, urethra, bladder or prostate
4. Polycystic kidney disease
5. Sickle cell Anemia
Avascular bone necrosis is a long known entity in medicine. Several aspects become better understood since modern imaging techniques have prevailed in investigation. Following short text focuses on some little mentioned facts and present level of grasp in physiopathology, as it is today.