Dr. Mary Jane Petruzzi MD

Mononucleosis is often called the kissing disease. This is a viral infection transmitted through saliva and transferred through kissing. You can also be exposed through a cough, sneeze or by sharing a glass or food utensils with someone who has mononucleosis infection. But this is not as contagious...

Treatment and management of Cystic Fibrosis (CF) has come a long way. It used to result in children dying at very early ages, but now they can live much longer and even flourish well into adulthood. This is a result of novel treatment methods, enhanced specialized care, dietary changes, and overall...

PurpuraPurpura refers to purple-colored spots that are usually seen on the skin, including mucous membranes and other organs. It is also called skin hemorrhages or blood spots.Purpura is usually recognized when there is pooling of blood under the skin due to ruptured small blood vessels. The size of...

Lymphoma is a blood cancer that affects both children and adults.Lymphoma begins its growth in the lymphatic white blood cells of the lymph system. This system is a major warrior in fighting off infections and diseases. It is part of the body’s immunity team.The lymph system loops throughout the...

Leukemia in its early stages may present no signs or symptoms, as these only appear when the leukemia cells have taken over a large number of normal blood cells. A person with leukemia is very lucky indeed if early-stage detection occurs incidentally, through a routine blood test or one done for...

IntroductionA decrease in the number of white blood cells (WBCs) is referred to as leukopenia. There are several causes for leukopenia. It may be due to certain drugs, cancer, radiation and chemotherapy for cancer, stem cell transplant, surgery, steroids, or autoimmune disorders. The immune system...