<unk>  (white part on the left) The<unk> , also<unk> , is a benign sex cord-stromal tumour.<unk> s represent 4% of all<unk>  neoplasms. They tend to occur mostly during perimenopause and postmenopause, the median age having been reported to be about 52 years, and they are rare in children. Lesions tend to be asymptomatic. If symptoms are present, the most common one is abdominal pain. On gross pathology, they are firm and white or tan. On microscopic examination, there are intersecting bundles of spindle cells producing collagen. There may be thecomatous areas (fibrothecoma). The presence of an<unk>  can cause<unk>  torsion in some cases.
Ovarian fibroma
Ovarian cyst
Ovarian serous cystadenoma
Corpus luteum cyst
Follicular cyst of ovary
Paraovarian cyst
Ovarian mucinous tumor
Breast cyst