Growth charts 2 to 18 years. Maternal and Child Health nurses use percentile charts from the Centre for Disease Control for children between 2 and 18 years of age, which measure height, weight and Body Mass Index (BMI).MI is calculated using height and height measurements, then used to compare a childâs weight relative to height with other children of the same age and gender, using BMI percentile charts. The following equation can be used to determine BMI: BMI = Weight (kg) / height (m) Height (m).
Chromogranin A (CGA) is a protein found in and released from neuroendocrine cells. The Chromogranin A test is used as a tumor marker.It may be ordered in combination with or in place of serotonin to help as an aid to diagnose carcinoid syndrome. Typical carcinoid symptoms include: 1  Flushing. 2  Diarrhea. 3  Abdominal pain. 4  Wheezing. 5  Valvular heart disease.hromogranin A (CGA) is a protein found in and released from neuroendocrine cells. The Chromogranin A test is used as a tumor marker.
tumor marker. listen (TOO-mer MAR-ker) A substance found in tissue, blood, or other body fluids that may be a sign of cancer or certain benign (noncancerous) conditions. Most tumor markers are made by both normal cells and cancer cells, but they are made in larger amounts by cancer cells. A tumor marker may help to diagnose cancer, plan treatment, or find out how well treatment is working or if cancer has come back. Examples of tumor markers include CA-125 (in ovarian cancer), CA 15-3 (in breast cancer), CEA (in colon cancer), and PSA (in prostate cancer).