Dr. John Kazuo Matsuura MD

Benign prostatic hyperplasia, or enlarged prostate gland is a very common condition seen in elderly men. It is also known as prostatic hypertrophy. Enlargement of the glands occurs around the age of 30-years-old, and progresses gradually causing a number of urinary symptoms by the time a man turns...

Treatment for Prostate CancerSince prostate cancer is a very dangerous infection, there is need to consider a number of factors before treating the condition. Prostate cancer is an infection that does not cause any immediate effects to the patient. However, when the infection develops, it may spread...

What is Smegma?In uncircumcised males, smegma is a sebaceous matter made up of oil and dead skin cells, which accumulates under the foreskin. In females, it accumulates around the folds of the labia. It is not a serious condition and not a sexually transmitted infection. However, a smegma buildup...

Rare are the men who have never questioned the size of their penis. Is my penis too small? Is my penis too big? These questions are placed on the list of the most common Google searches. Urologists also confirm that these are the usual concerns their patients express. What is it about penis size,...

Kidney stones are ball-like structures in the urinary system. These stones are formed as a result of the solidification of minerals and acidic materials in the bladder or ureter. The kidneys filter these substances from the blood.Kidney stones are caused by intake of foods that lead to excess...

The testes are a pair of male sex glands located just beneath the penis and is encased in a loose fold of skin - the scrotum, and are responsible for producing testosterone - the male sex hormone, and for manufacturing sperms which are mobile male sex cells. Testicular cancer occurs when some of...