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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 .
If the tumors become cancerous, some cases can be life-threatening. The disorder affects 1 in 30,000 people. Although many different types of hormone-producing tumors are associated with multiple endocrine neoplasia, tumors of the parathyroid gland, pituitary gland, and pancreas are most frequent in multiple endocrine neoplasia type 1.
The main problems are low blood pressure (particularly on standing), low blood sugars (which can lead to coma) and abdominal pain; the low blood pressure can be life-threatening and requires immediate medical attention. [6] Hyponatremia, an unusually low level of sodium in the blood that may cause confusion and seizures, is found in 40% of cases.
In cases of tumor-related hyperprolactinemia, prolactinoma is the most common culprit of consistently high levels of prolactin as well as the most common type of pituitary tumor. [2] For non-tumor related hyperprolactinemia, the most common cause is medication-induced prolactin secretion. [3]
Treatment significantly improves the patient's quality of life. If the goal is to treat hypogonadism only, patients with idiopathic hyperprolactinemia or microadenoma can be treated with estrogen replacement therapy and prolactin levels can be monitored. Radiation treatment is another option.
5617 19109 Ensembl ENSG00000172179 ENSMUSG00000021342 UniProt P01236 P06879 RefSeq (mRNA) NM_000948 NM_001163558 NM_001163530 NM_011164 RefSeq (protein) NP_000939 NP_001157030 NP_001157002 NP_035294 Location (UCSC) Chr 6: 22.29 – 22.3 Mb Chr 13: 27.24 – 27.25 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Prolactin (PRL), also known as lactotropin and mammotropin, is a protein ...
What’s more, if bacteria are causing the pneumonia, it can spread to the bloodstream and cause sepsis, a life-threatening condition prompted by an infection that triggers a chain reaction ...
This is a life-threatening condition. Hypopituitarism could be caused by the destruction or removal of the anterior pituitary tissue through traumatic brain injury, tumor, tuberculosis, or syphilis, among other causes. This disorder used to be referred to as Simmonds' disease but now according to the Diseases Database it is called Sheehan ...