Focal nodular hyperplasia is a benign tumor about 5 cm in diameter, located in the liver, being the second most common benign liver tumor that, although present in both sexes, is more common in women, in women 20 and 50 years old.
Generally, focal nodular hyperplasia is asymptomatic and does not require treatment, however, it is advisable to consult your doctor on a regular basis to monitor its evolution, in most cases the lesions remain stable in number and size and progress of the disease is rarely observed.
- Focal nodular hyperplasia can result from an increase in the number of cells in response to increased blood flow in an arterial malformation.
In addition, it is believed that the use of oral contraceptives may also be associated with this disease.
Focal nodular hyperplasia is usually about 5 cm in diameter, although it can rarely reach more than 15 cm in diameter.
Generally, this tumor is asymptomatic and, in most cases, it is found accidentally during imaging tests; Although it is very rare, it can eventually cause acute symptoms from bleeding.
In asymptomatic people, with typical features demonstrated on imaging tests, there is no need for treatment.
Because focal nodular hyperplasia is a benign tumor with no malignant potential, surgical removal should only be performed in situations where there is doubt in diagnosis, progressive injury, or in people with symptoms.
In addition, in women using contraceptives, it is recommended to discontinue the use of oral contraceptives, since contraceptives may be associated with tumor growth.