Dr. Saul E. Rivkin MD

The ABO (A, B, AB, or O) blood group system is used to classify different types of antibodies in the plasma and antigens in the red blood cells (RBCs). The ABO blood group and RhD antigen determine the type of blood that is a perfect match for blood transfusions. The four ABO blood groups are: ...

OverviewRed blood cells (RBCs), also called erythrocytes, are the cells that carry oxygen throughout the body. They are also one of the major components of blood. Having a high red blood cell (RBC) count means that the number of RBCs in the bloodstream is higher than normal. When you have signs and...

Anemia is a medical condition in which the count of red blood cells in the blood is lower than the normal number. This can occur due to many reasons such as deficiency of some vitamin, iron or it can also be hereditary. It is one of the most common disorders of blood and there are reports suggesting...

During a stem cell transplantation or autotransplantation, the patient receives high chemotherapy dosage which is sometimes done to the entire body to get rid of the cells that are in the bone marrow (including the myeloma cells). Afterwards, the patient receives new stem cells to form...

Biopsies may vary differently depending on the type and location of the tissues and how hard are they to obtain. The medical term used to describe such method is “invasiveness.” A less invasive procedure will, for example, take place in a doctor’s office the same day an abnormal tissue is...

What is leukopenia?Leukopenia is a condition in which abnormally low white blood cells are circulating in the blood. This condition can be diagnosed using a blood test called complete blood count (CBC). A normal white blood cell count is usually between 3,500-11,000 WBCs per microliter. People...