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.
A cut-off of 53 ng/ml for IRMA and 16 U/l for ELISA for discriminating between healthy contro ls and NET patients yielded only moderate sensitivities (71.3 and 83%, respectively) and specificities (71 and 85%, respectively). 3.2 Chromogranin related to net The Chromogranin A test is used often as a tumor marker.any are benign, while some are cancers. They most commonly occur in the intestine, but are also found in th e lung and in the rest of the body. A neuroendocrine tumor is suspected when classical clinical symptoms occur but the large majority of NETs does not show any specific symptomatology (Oberg et al., 1999).