Angelman syndrome (AS) is a rare neuro-genetic disorder that occurs in one in 15,000 live births. Angelman syndrome is often misdiagnosed as cerebral palsy or autism due to lack of awareness. Characteristics of the disorder include developmental delay, lack of speech, seizures, and walking and balance disorders. Individuals with Angelman syndrome will require life-long care.
Description of Estrogen receptor assay. Estrogen receptor assay: A laboratory test that evaluates the benefits of hormone treatment for a patient diagnosed with breast cancer.
Estrogen and progesterone hormone receptor (ER and PR) status tests are standard tests for all invasive breast cancers, and on recurring cancers, as recommended by guidelines published in 2010 by the American Society of Clinical Oncology (ASCO) and the College of American Pathologists (CAP).