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.
Breast cancer tissue is tested to see if it has receptors for estrogen, progesterone or both. This is referred to as the hormone receptor status. Hormonal therapy is used only in women who have breast cancer that is estrogen receptor positive (ER positive or ER+) and progesterone receptor positive (PR positive or PR+).