Polycystic kidney disease, autosomal recessive
An early-onset disorder that is characterized by the presence of innumerable cysts in the kidneys and enlarged kidneys that can usually be detected via ultrasound before birth or in the neonatal period. Some cases are diagnosed later in childhood. The gene for the disease is on chromosome 6. Also known as infantile polycystic kidney disease.
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- Polycystic kidney disease, infantile
Polycystic kidney disease, autosomal recessive.
- Polycystic ovarian syndrome
Abbreviated PCOS. Polycystic ovarian syndrome is a condition in women characterized by irregular or no menstrual periods, acne, obesity, and excess hair growth. PCOS is a disorder of chronically abnormal ovarian function and hyperandrogenism (abnormally elevated androgen levels). It affects 5%-10% of women of reproductive age. PCOS is also called the Stein-Leventhal syndrome. Women with […]
- Polycystic ovary syndrome
Abbreviated PCOS. Polcystic ovary syndrome is a condition in women characterized by irregular or no menstrual periods, acne, obesity, and excess hair growth. PCOS is a disorder of chronically abnormal ovarian function and hyperandrogenism (abnormally elevated androgen levels). It affects 5-10% of women of reproductive age. PCOS is also called the Stein-Leventhal syndrome. Women with […]
- Polycythemia
Too many red blood cells. The opposite of anemia. polycythemia formally exists when the hemoglobin, red blood cell (RBC) count, and total RBC volume are all above normal.
- Polycythemia vera (PV)
Overproduction (proliferation) of red blood cells due to bone marrow disease (myeloproferative disorder). Polycythemia vera tends to evolve into acute leukemia or a condition with the marrow replaced by scar tissue (myelofibrosis). To have Polycythemia vera, there must be polycythemia which formally exists when the hemoglobin, red blood cell (RBC) count, and total RBC volume […]