Is Brenner tumor benign or malignant?
Is Brenner tumor benign or malignant?
Benign Brenner Tumor Brenner tumors are a subtype of the transitional cell neoplasms of the ovary and account for about 2% of ovarian neoplasms. Most are benign, and less than 10% of cases occur bilaterally.
What causes Brenner tumors?
The cause of Brenner tumors is unknown. They are usually found by accident during surgery for another reason or during a routine doctor’s examination. The diagnosis is made by microscopic examination of a piece of tumor obtained by a surgical biopsy.
What type of tumor is a Brenner tumor?
Brenner tumor is a rare ovarian tumor that is a part of the surface epithelial group of ovarian neoplasm. It is usually asymptomatic and most of the times it is an incidental pathological finding. Here we present a case of benign Brenner tumor of ovary treated surgically.
What percentage of Brenner tumor is malignant?
Malignant BTs (MBT) are extremely rare, comprising < 5% of all BT. MBT was first reported by von Numers in 1945 (von Numers, 1945).
How common are ovarian Fibromas?
An ovarian fibroma is a rare, benign tumor of the ovary. Most commonly found in women in their 50s during perimenopause (transition to menopause) or postmenopause, ovarian fibromas account for approximately four percent of all ovarian tumors.
How do you get a teratoma?
Teratomas happen when complications arise during your cells’ differentiation process. In particular, they develop in your body’s germ cells, which are undifferentiated. This means they can turn into any type of cell – from egg and sperm to hair cells.
Who discovered Brenner tumor?
The Brenner tumor was first described by Fritz Brenner in 1907 [1], who postulated that it was derived from the granulosa cells of the ovarian follicles. Their histology consists of solid or cystic urothelium-like epithelial cell nests with surrounding fibrous stroma.
Are Brenner tumors hereditary?
Women who have any type of ovarian cancer, including a malignant Brenner tumor, may want to ask their health care professional about genetic counseling because ovarian cancer is sometimes associated with a gene mutation that can be inherited in families 23).
Is Brenner tumor germ cell tumor?
Ovarian neoplasms are a heterogeneous group composed of tumors showing epithelial, germ cell, and sex cord stromal differentiation. The ovarian Brenner tumor (BT) represents a rare epithelial ovarian neoplasm and accounts for 1–2% of all ovarian neoplasms.
Should ovarian fibroma be removed?
When the ovarian fibroma is small and no symptoms are present, physicians may recommend doing nothing more than keeping a watchful eye on the fibroma. Surgery. For larger cysts or for a fibroma that continues to grow or is causing torsion, physicians may recommend removal.
What are the symptoms of an ovarian fibroma?
Symptoms of ovarian fibroma
- Menstrual irregularities or post-menopausal bleeding.
- Peritonitis and shock, in the case of a ruptured cyst.
- Pressure on the bladder, causing the patient to need to urinate frequently.
- A swollen abdomen.
- Pain during or after sexual intercourse.