Dr. Susan Z. Sun MD

When you pee and see a stream of rusty red urine, the sight fills you with a sense of dread. You suspect that the discoloration is due to the presence of blood. A pungent odor may fuel the anxiety. The only way to confirm suspicions is through a urinalysis recommended by a primary caregiver.  A...

UltrasoundIt is actually a diagnostic procedure. High-frequency sound waves are transmitted through the body's tissues that are inaudible to the human ear. This creates videos or photographic images of the internal structure of the body after the echoes are recorded and transformed.Many diseases and...

Doctors or physicians are categorized according to different factors including medical specialties and subspecialties. Most doctors specialize in a specific area of medicine. This article provides a summary of the different types of doctors in the medical field. AllergistsAllergists are also...

Kidney stones are a condition that affects around 15 percent of the world's population. For reasons unknown, the condition's prevalence has increased over the last 30 years. Kidney stones more often affect men than women. What are kidney stones?Kidney stones or renal lithiasis is the formation of...

Systemic lupus erythematosus (also known as lupus) is a condition that usually affects women. It occurs as a result of antibodies or lymphocytes generated against substances that exist in the body. Approximately one out of 2,100 people has the condition.Women are five times more vulnerable to...

What is lupus?Lupus or systemic lupus erythematosus is an autoimmune disorder that may affect skin, kidneys, brain, and other organs. According to Lupus Foundation of America, about 1.5 million people in U.S. have lupus. This condition is seen more in women than in men....