phagocytosis The engulfing and ingestion of bacteria or other foreign bodies by phagocytes. Phagocytosis begins with the neutrophil or macrophage flowing around the pathogen and engulfing it so that it winds up enclosed in a phagosome (
sarcoidosis Sarcoidosis is a disease that results from a specific type of inflammation of tissues of the body. It can appear in almost any body organ, but it starts most often in the lungs or lymph nodes.
Causes of sarcoidosis The cause of sarcoidosis is unknown. The disease can appear suddenly and disappear. It can develop gradually and go on to produce symptoms that come and go, sometimes for a lifetime.
What are symptoms of sarcoidosis? Shortness of breath (dyspnea)and a cough . Sarcoidosis can also show up suddenly with the appearance of skin rashes. Red bumps (erythemanodosum) on the face, arms, or shins and inflammation of the eyes are also common symptoms.
How is sarcoidosis diagnosed? Preliminary diagnosis of sarcoidosis is based on the patient's medical history, routine tests, a physical examination, and a chest x- ray.
Hodgkin’s disease Hodgkin's disease is one of a group of cancers called lymphomas Hodgkin's disease, an uncommon lymphoma, accounts for less than 1 percent of all cases of cancer in this country.
Symptoms of Hodgkin's disease A painless swelling in the lymph nodes in the neck, underarm, or groin Unexplained recurrent fevers Night sweats Unexplained weight loss Itchy skin
Diagnosis and staging of Hodgkin's disease X-rays: High-energy radiation used to take pictures of areas inside the body, such as the chest, bones, liver, and spleen. CT (or CAT) scan: A series of detailed pictures of areas inside the body. The pictures are created by a computer linked to an x-ray machine. MRI (magnetic resonance imaging): Detailed pictures of areas inside the body produced with a powerful magnet linked to a computer
Treatment for Hodgkin's disease Hodgkin's disease is often treated by a team of specialists that may include a medical oncologist, oncology nurse, and/or radiation oncologist. Hodgkin's disease is usually treated with radiation therapy or chemotherapy