Items tagged “ovary”
27 results found
Article
Mature cystic ovarian teratoma
Ovarian dermoid cyst and mature cystic ovarian teratoma are terms often used interchangeably to refer to the most common ovarian neoplasm. These slow-growing tumors contain elements from multiple germ cell layers and can be assessed with ultrasound or MRI.
Terminology
Although they have very ...
Article
Ovary
The ovaries (TA: ovarium 9) are paired female gonads of the reproductive and endocrine systems. They lie within the ovarian fossa on the posterior wall of the true pelvis and form part of the adnexa.
Gross anatomy
The ovaries are firm and ovoid in shape and measure approximately 1.5-3.0 cm × ...
Article
Polycystic ovarian syndrome
Polycystic ovarian syndrome (PCOS), also known as hyperandrogenic anovulation, is a chronic anovulation syndrome associated with androgen excess.
The Rotterdam criteria is used to make the diagnosis of PCOS and require any two of the following three criteria for the diagnosis, as well as the e...
Article
Squamous cell carcinoma (ovary)
Squamous cell carcinoma (SCC) of the ovary is extremely rare and usually arises in a mature cystic ovarian teratoma 2. As only parts of the lesion are composed of malignant tissue, it is difficult to diagnose malignant transformation of a teratoma preoperatively, unless invasion into adjacent st...
Article
Ovarian transposition
Ovarian transposition is a surgical procedure in which the ovaries are displaced from the pelvis before pelvic radiation therapy in order to protect them from radiation injury.
It is performed in premenopausal women with a variety of pelvic malignancies (e.g cervical cancer, rectal cancer, and ...
Article
Hemorrhagic ovarian cyst
Hemorrhagic ovarian cysts usually result from hemorrhage into a corpus luteum or other functional cyst. Radiographic features are variable depending on the age of the hemorrhage. They typically resolve within 8 weeks.
Clinical presentation
Patients may present with sudden-onset pelvic pain, p...
Article
Ovarian thecoma
Ovarian thecomas are benign ovarian tumors of sex cord / stromal (mesenchymal) origin. They are thought to account for approximately 0.5-1% of all ovarian tumors. As ovarian thecomas secrete estrogen, they are described as functional ovarian tumors.
Epidemiology
They typically present in older...
Article
Ovarian cancer (staging)
The most commonly adopted ovarian cancer staging system is the FIGO staging system. The most recent staging system is from 2014 1:
CT is considered the best imaging modality for staging ovarian cancer 4.
stage I: tumor limited to the ovaries
stage Ia:
tumor limited to one ovary
capsule i...
Article
Ovarian fibroma
Ovarian fibromas are benign ovarian tumors of sex cord/stromal origin. Although fibromas account for ~4% of all ovarian neoplasms, they are the most common sex cord ovarian tumors.
Epidemiology
Fibromas occur at all ages but are most frequently seen in middle-aged women.
Associations
They ar...
Article
Ovarian mucinous cystadenoma
Mucinous cystadenoma of the ovary is at the benign end of the spectrum of mucin-containing epithelial ovarian tumors.
Epidemiology
The estimated peak incidence is at around 30-50 years of age.
They comprise approximately 80% of mucinous ovarian tumors and 20-25% of all benign ovarian tumors....
Article
Ovarian follicular cyst
An ovarian follicular cyst is type of simple physiological ovarian cyst.
Terminology
The terms "ovarian cyst" and "ovarian follicular cyst" are often used interchangeably. These two terms describe lesions >3 cm, and it is important to differentiate them from an "ovarian follicle" which is <3 c...
Article
Ovarian serous cystadenocarcinoma
Ovarian serous cystadenocarcinoma is the malignant form of ovarian serous tumor, the most common type of ovarian epithelial tumor. It is the most common type of ovarian malignancy.
Increasingly, high-grade serous carcinoma and low-grade serous carcinoma are recognized as distinct tumor types ra...
Article
Germ cell tumors of the ovary
Germ cell tumors of the ovary account for approximately 15-20% of all ovarian tumors. In children and adolescents, up to 60% of ovarian tumors can be of germ cell origin.
They include:
ovarian teratoma(s): commonest primary benign tumor of ovary and commonest germ cell tumor:
mature (cystic) ...
Article
Ovarian fibrothecoma
Ovarian fibrothecomas comprise tumors in the spectrum of ovarian sex cord / stromal tumors where there are components of both an ovarian fibroma and an ovarian thecoma.
Epidemiology
Most occur in adult women, with ~66% in postmenopausal women. Although they account for ~1% of all ovarian tumo...
Article
Ovarian mucinous tumors
Ovarian mucinous tumors are a subgroup of ovarian epithelial tumors. They represent 10-15% of all ovarian tumors and ~10% of all malignant ovarian tumors. They are subdivided according to their malignant potential and clinical behavior into:
ovarian mucinous cystadenoma
ovarian borderline...
Article
Sclerosing stromal tumor of the ovary
Sclerosing stromal tumor (SST) of the ovary is a rare ovarian neoplasm. It is considered a subtype of ovarian sex cord / stromal tumor and is included in the fibroma-thecoma group of ovarian tumors 9.
Epidemiology
It occurs predominantly in young women and its incidence peaks around the 2nd to...
Article
Malignant mixed germ cell tumor of the ovary
A malignant mixed germ cell tumor of the ovary is a subtype of ovarian germ cell tumor. These are not to be confused with malignant mixed Müllerian tumors of the ovary.
Epidemiology
These tumors are rare. They most commonly affect adolescent women of reproductive age 1.
Pathology
They are ma...
Article
Ovarian tumors associated with endometrial thickening
There are several ovarian tumors associated with endometrial thickening and this is often due to oestrogenic effects of the ovarian tumor.
Such tumors include:
ovarian epithelial tumors
endometrioid carcinoma of the ovary
may have synchronous endometrial carcinoma or endometrial hyperplasia,...
Article
Adult granulosa cell tumor of the ovary
Adult granulosa cell tumor of the ovary is a type of ovarian sex cord / stromal tumor. They are by far the most frequent subtype of granulosa cell tumors of the ovary (95%) and are commoner than the juvenile granulosa tumor of the ovary.
Epidemiology
Approximately two-thirds of this subtype ar...
Article
Ovarian Sertoli-Leydig cell tumor
Ovarian Sertoli-Leydig cell tumors (SLCT), also known as ovarian androblastomas, are a subtype of ovarian sex cord-stromal tumor.
Epidemiology
They are rare and only account for ~0.5% of all ovarian tumors. While they can present at any age, they typically present <30 years old, with a mean ag...
Unable to process the form. Check for errors and try again.