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Bromocriptine, originally marketed as Parlodel and subsequently under many brand names, [1] is an ergoline derivative and dopamine agonist that is used in the treatment of pituitary tumors, Parkinson's disease, hyperprolactinaemia, neuroleptic malignant syndrome, and, as an adjunct, type 2 diabetes.
[58] [59] If the prolactinoma does not initially respond to dopamine agonist therapy, such that prolactin levels are still high or the tumor is not shrinking as expected, the dose of the dopamine agonist can be increased in a stepwise fashion to the maximum tolerated dose. [3] Another option is to consider switching between dopamine agonists.
A prolactinoma is a tumor of the pituitary gland that produces the hormone prolactin.It is the most common type of functioning pituitary tumor. [1] Symptoms of prolactinoma are due to abnormally high levels of prolactin in the blood (hyperprolactinemia), or due to pressure of the tumor on surrounding brain tissue and/or the optic nerves.
Prolactin and its receptor are expressed in the skin, specifically in the hair follicles, where they regulate hair growth and moulting in an autocrine fashion. [ 29 ] [ 30 ] Elevated levels of prolactin can inhibit hair growth, [ 31 ] and knock-out mutations in the prolactin gene cause increased hair length in cattle [ 32 ] and mice. [ 30 ]
In dermatopathology, the Tzanck test, also Tzanck smear, is scraping of an ulcer base to look for Tzanck cells. It is sometimes also called the chickenpox skin test and the herpes skin test. It is a simple, low-cost, and rapid office based test. [1] Tzanck cells (acantholytic cells) are found in: Herpes simplex [2] Varicella and herpes zoster
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Her spirit, too, is one that kids can relate to. “She's always kind, but she's a child,” Marja says. “She makes mistakes, but she also addresses them.
The median effective dose is the dose that produces a quantal effect (all or nothing) in 50% of the population that takes it (median referring to the 50% population base). [6] It is also sometimes abbreviated as the ED 50, meaning "effective dose for 50% of the population". The ED50 is commonly used as a measure of the reasonable expectancy of ...