SCHEDULED DOWNTIME: We will be performing a database migration that will result in the site being unavailable for approximately 1 hour starting at UTC: Monday, 20 May 2024 11:00 PM (check your local time here

Articles

Articles are a collaborative effort to provide a single canonical page on all topics relevant to the practice of radiology. As such, articles are written and continuously improved upon by countless contributing members. Our dedicated editors oversee each edit for accuracy and style. Find out more about articles.

18 results found
Article

Ovarian-Adnexal Reporting and Data System Ultrasound (O-RADS US)

The Ovarian-Adnexal Reporting and Data System Ultrasound (O-RADS US) forms the ultrasound component of the Ovarian-Adnexal Reporting and Data System (O-RADS). This system aims to ensure that there are uniform unambiguous sonographic evaluations of ovarian or other adnexal lesions, accurately ass...
Article

Müllerian duct anomaly classification

The Müllerian duct anomaly classification is a seven-class system that can be used to describe a number of embryonic Müllerian duct anomalies: class I: uterine agenesis/uterine hypoplasia a: vaginal (uterus: normal/variety of abnormal forms) b: cervical c: fundal d: tub...
Article

Congenital utero-vaginal anomalies

There are many classification systems for congenital utero-vaginal anomalies. These include: Buttram and Gibbons classification 2 American Fertility Society (AFS) classification Modified Rock and Adam - AFS classification Modified Rock and Adam - AFS classification This classification divid...
Article

FIGO classification system for uterine leiomyoma

The FIGO classification system for uterine leiomyoma (fibroids) classifies uterine leiomyomas based on location. Usage This classification system was developed for clinical and research purposes 2, however, in clinical use, there is significant variation in agreement 3. Classification Submuc...
Article

Ovarian-Adnexal Reporting and Data System (O-RADS)

The Ovarian-Adnexal Imaging Reporting and Data System, (O-RADS), aims to ensure that there are uniform unambiguous sonographic and MRI evaluations of ovarian or other adnexal lesions, accurately assigning each lesion to a risk category of malignancy being present, and which informs the appropria...
Article

Hydrometra

Hydrometra is a descriptive term that refers to a distended uterus filled with clear, non-infected fluid. See also hematometra pyometra hydrometrocolpos hydrocolpos endometrial fluid
Article

Risk of malignancy index in ovarian tumors

The risk of malignancy index (RMI) in ovarian tumors is a validated clinical tool used for risk stratification of ovarian lesions, to guide further management 1-3. Classification The score incorporates the patient's menopausal status (M), ultrasound features of the lesion (U), and the serum CA...
Article

Modified Golan classification of ovarian hyperstimulation syndrome

The modified Golan classification of ovarian hyperstimulation syndrome, employing clinical findings and imaging appearances, is used to categorize ovarian hyperstimulation syndrome (OHSS) into the following three categories of severity with five grades 1,2: mild OHSS: characterized by bilateral...
Article

Ovarian cyst

Ovarian cysts are commonly encountered in gynecological imaging and vary widely in etiology from physiological to complex benign to neoplastic. Pathology Small cystic ovarian structures should be considered normal ovarian follicles unless the patient is pre-pubertal, post-menopausal, pregnant,...
Article

WHO histological classification of tumors of the uterine cervix

The WHO histological classification is a detailed classification of tumors of the uterine cervix. epithelial tumors squamous tumors and precursors squamous cell carcinoma, not otherwise specified - 8070/3 keratinizing - 8071/3 non-keratinizing - 8072/3 basaloid - 8083/3 verrucous - 8051/3...
Article

True hermaphroditism

True hermaphroditism is a form of disorder of gender development.  Pathology Patients with true hermaphroditism have mosaicism of 46XX and 46XY. They therefore have both ovarian and testicular tissues. Subtypes There are three forms of true hermaphroditism: unilateral true hermaphroditism ...
Article

IOTA ultrasound rules for ovarian masses

The International Ovarian Tumor Analysis (IOTA) group ultrasound rules for ovarian masses are a simple set of ultrasound findings that classify ovarian masses into benign, malignant or inconclusive masses. These rules apply to masses that are not a classical ovarian mass (e.g. corpus luteum, end...
Article

Uterine biophysical profile

Uterine biophysical profile is a sonographic examination of the uterus that assess seven sonographic characteristics used to predict successful conception.  Uterine scoring system for reproduction (USS) The uterine scoring system for reproduction comprises the following parameters, taken in mi...
Article

Placental grading

Placental grading (Grannum classification) refers to an ultrasound grading system of the placenta based on its maturity. This primarily affects the extent of calcifications. In some countries, the use of placental grading has fallen out of obstetric practice due to a weak correlation with advers...
Article

Gynecologic Imaging-Reporting and Data System (GI-RADS)

The Gynecologic Imaging-Reporting and Data System (GI-RADS) is a reporting system that was created for reporting the findings in adnexal masses based on transvaginal ultrasonography. Classification Findings are classified into five categories 1: GI-RADS 1 normal ovaries identified and no adn...
Article

IOTA-ADNEX model

The ADNEX (Assessment of Different NEoplasias in the adneXa) model is a risk model developed by the IOTA (International Ovarian Tumor Analysis) group to differentiate benign and malignant neoplasms of the ovary and, among them, four different subgroups (borderline, stage I cancer, stage II-IV ca...
Article

Sex cord / stromal ovarian tumors

Sex cord / stromal ovarian tumors are a subtype of ovarian tumors and account for 8-10% of all ovarian tumors. They arise from two groups of cells in the ovary: stromal cells primitive sex cords: celomic epithelium The group of tumors includes ovarian fibroma-thecoma spectrum ovarian fibrom...
Article

Ovarian-Adnexal Reporting and Data System Magnetic Resonance Imaging (O-RADS MRI)

The Ovarian-Adnexal Reporting and Data System Magnetic Resonance Imaging (O-RADS MRI) forms the MRI component of the Ovarian-Adnexal Reporting and Data System (O-RADS). This system aims to ensure that there is a uniform, unambiguous MRI evaluation of ovarian or other adnexal lesions, accurately ...

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.