Neoplasien des Ovars

Krukenberg-Tumor
bei Magenkarzinom CT-morphologisch rechts dorsal des hyperperfundierten Uterus, histologisch war auch links eine Metastase des Ovars im Sinne eines Krukenberg-Tumors nachweisbar.

Epithelial
ovarian tumors • Serous cystadenoma of the ovary - Ganzer Fall bei Radiopaedia

Ovarian
tumors • Ovarian dysgerminoma - Ganzer Fall bei Radiopaedia

Ovarian
granulosa cell tumour: MR imaging findings. Axial contrast-enhanced T1-weighted image obtained with fat saturation shows intense and heterogeneous mass enhancement (arrow).

Ovary
mucinous cystoadenoma with components of a mucinous borderline tumor.

Ovarian
granulosa cell tumour: MR imaging findings. Transverse T1-weighted image shows an ovoid, well-delineated left adnexal mass lesion (arrow), mainly isointense to the normal uterus (long arrow).

Ovarian
tumors • Ovarian dermoid - Ganzer Fall bei Radiopaedia

Epithelial
ovarian tumors • Mucinous ovarian cystadenoma - Ganzer Fall bei Radiopaedia

Ovarian
tumors • Ovarian cancer with peritoneal carcinomatosis - Ganzer Fall bei Radiopaedia

Teratoma •
Ruptured ovarian teratoma - Ganzer Fall bei Radiopaedia

Ovarian
tumors • Ovarian mucinous cystadenoma - Ganzer Fall bei Radiopaedia

Epithelial
ovarian tumors • Ovarian serous cystadenofibroma - Ganzer Fall bei Radiopaedia

Epithelial
ovarian tumors • Ovarian serous cystadenocarcinoma - Ganzer Fall bei Radiopaedia

Endometrioid
carcinoma of the ovary • Endometrioid adenocarcinoma - Ganzer Fall bei Radiopaedia

Ovarian
tumors • Ovarian fibroma - Ganzer Fall bei Radiopaedia

Ovarian
granulosa cell tumour: MR imaging findings. Transverse T2-weighted image depicts inhomogeneous left adnexal mass (arrow), with signal intensity mainly similar to that of normal myometrium (not shown on this image), and small hyperintense areas, corresponding to internal cysts on pathology.

Adulter
Granulosazelltumor des Ovars in der Computertomographie (sagittale Rekonstruktion) bei einer 78-jährigen. Sehr großer, zystischer, multiseptierter Tumor mit soliden Anteilen.

Ovarian
tumors • Ovarian dysgerminoma - Ganzer Fall bei Radiopaedia

Ovarian
tumors • Brenner tumor of ovary (gross pathology) - Ganzer Fall bei Radiopaedia

Ovarian
tumors • Ovarian mucinous cystadenoma (gross pathology) - Ganzer Fall bei Radiopaedia

Ovarian
tumors • Ovarian fibroma (gross pathology) - Ganzer Fall bei Radiopaedia

Ovarian
tumors • Sclerosing stromal tumor of the ovary - Ganzer Fall bei Radiopaedia

Krukenberg
tumor • Krukenberg tumor of ovary (gross pathology) - Ganzer Fall bei Radiopaedia
Ovarian tumors are relatively common and account for ~6% of female malignancies. This article focuses on the general classification of ovarian tumors. For specific features, refer to the subarticles.
Pathology
Subtypes
Primary ovarian tumors
Surface epithelial-stromal ovarian tumors (60-70%):
- ovarian serous tumors
- ovarian serous cystadenoma: ~60% of serous tumors
- ovarian borderline serous cystadenoma: ~15% of serous tumors
- ovarian serous cystadenocarcinoma: ~25% of serous tumors; commonest malignant ovarian tumor
- ovarian mucinous tumors: ~20% of all ovarian tumors
- ovarian mucinous cystadenoma: ~80% of mucinous tumors
- ovarian borderline mucinous cystadenoma: 10-15% of mucinous tumors
- ovarian mucinous cystadenocarcinoma: 5-10% of mucinous tumors
- ovarian endometrioid tumor: 8-15% of all ovarian tumors
- clear cell ovarian carcinoma: ~5% of ovarian cancer
- Brenner tumor: ~2.5% of ovarian epithelial neoplasms
- squamous cell carcinoma of the ovary
- ovarian cystadenofibroma* / ovarian adenofibroma: can be serous, mucinous, endometrioid, clear cell or mixed
- ovarian cystadenocarcinofibroma: extremely rare
- ovarian fibrosarcoma
- undifferentiated carcinoma of the ovary: ~4% of all ovarian tumors
* sometimes classified as a separate category rather than under epithelial
Germ cell ovarian tumors (~20%):
- ovarian teratoma: the commonest primary benign tumor of the ovary
- ovarian dysgerminoma
- ovarian yolk sac tumor: endodermal sinus tumor
- ovarian embryonal carcinoma
- ovarian choriocarcinoma: <1% of ovarian tumors
- pure primary ovarian choriocarcinoma: extremely rare
- malignant mixed germ cell tumor of the ovary
Sex cord / stromal ovarian tumors (8-10%):
- ovarian fibrothecoma: ~5% of ovarian tumors
- ovarian fibroma: ~4% of ovarian tumors
- ovarian thecoma: ~1% of ovarian tumors
- sclerosing stromal tumor of the ovary: rare
- ovarian Sertoli-Leydig cell tumor - ovarian androblastoma: ~0.5% of ovarian tumors
- granulosa cell tumor of ovary: commonest malignant sex cord tumor
- small cell carcinoma of the ovary
Mixed
These are uncommon:
Other
- ovarian lymphoma
- metastases to the ovary
- Krukenberg tumor
- other metastatic lesions to the ovary
Classification according to morphology
Predominantly cystic
- serous cystadenoma
- mucinous cystadenoma
- mature cystic teratoma
- serous cystadenocarcinoma
- mucinous cystadenocarcinoma
Predominantly solid
- Brenner tumor
- thecoma
- fibroma
- endometroid granulosa cell tumors
- dysgerminoma
- endodermal sinus tumor (yolk sac tumor)
- metastatic
Serological tests
- CA-125 levels: elevated in most ovarian malignancies (~80% in general); some mucinous and germ cell tumors may not secrete this marker
- AFP levels: elevated particularly with immature ovarian teratomas (~50% of cases) and ovarian yolk sac tumors
- β HCG: in a small number of dysgerminomas
- human epididymis protein 4 (HE4): elevated in malignant ovarian diseases, being helpful to complement the Ca-125 in premenopausal women
Risk factors
General risk factors include
- nulliparity
- early menopause
- gonadal dysgenesis
- family history: contributes to 24% of cases of epithelial ovarian cancer
- BRCA1/BRCA2 mutations: particularly for serous types
- Lynch syndrome-associated ovarian cancers most often have an endometrioid or serous type histology
- smoking: especially for mucinous adenocarcinoma
- previous history of breast, endometrial or colon cancer (Lynch II)
- certain ethnic groups
Protective factors
- oral contraceptives
- breastfeeding (this is controversial)
Risk assessment
Staging
The FIGO staging system is used for almost all of the ovarian cancers: see ovarian cancer staging.
Siehe auch:
- Teratom des Ovars
- ovarian mucinous cystadenoma
- ovarian thecoma
- adulter Granulosazelltumor des Ovars
- Zystadenom des Ovars
- Krukenberg-Tumor
- seröses Boderline-Zystadenom des Ovars
- ovarian cystadenofibroma
- ovarian dysgerminoma
- Fibrom des Ovars
- seröses Zystadenom des Ovars
- FIGO-Klassifikation
- Struma ovarii Tumor
- clear cell ovarian carcinoma
- Ovarialkarzinom Staging
- ovarian mucinous cystadenocarcinoma
- ovarian borderline mucinous cystadenoma
- ovarian fibrothecoma
- unreifes Teratom des Ovars
- epithelial ovarian tumours
- ovarian mucinous tumours
- zystische Ovarialtumoren
- undifferentiated carcinoma of the ovary
- sex cord - stromal ovarian tumours
- Metastasen des Ovars
- ovarian yolk sac tumour
- ovarian carcinoid tumours
- specialised teratomas of the ovary
- primary ovarian lymphoma
- ovarian serous tumours
- Plattenepithelkarzinom des Ovars
- ovarian carcinosarcoma
- malignant mixed germ cell tumour of the ovary
- ovarian cystadenocarcinofibroma
- Sertoli-Leydig-Zell-Tumor des Ovars
- Granulosazelltumor des Ovars
- benigne Tumoren des Ovars
- sclerosing stromal tumour of the ovary
- juveniler Granulosazelltumor des Ovars
- maligne Tumoren des Ovars
- vorwiegend solide Ovarialtumoren
- Brenner-Tumor
- Kollisionstumor des Ovars / der Ovarien
- Dottersacktumor des Ovars
- Adenofibrom des Ovars
- reifes zystisches Teratom des Ovars
- Keimzelltumor des Ovars
- mucinous adenocarcinoma
- ovarian androblastoma
- seröses Zystadenokarzinom des Ovars
- ovarian lymphoma
- ovarian endometrioid tumour
- ovarian papilliferous cystadenocarcinoma
- ovarian tumors in children
- Chorionkarzinom des Ovars
- reines primäres Chorionkarzinom des Ovars
und weiter:
- Kystom
- Corpus luteum
- cancer
- Milzmetastasen
- ovaries
- Hydrokolpos
- ultrasound appearances of liver metastases
- hereditary non-polyposis colorectal cancer
- sonographic values in obstetrics and gynaecology
- verkalkte Metastasen
- metastases to the breast
- miliary nodules in the exam
- endometrioid carcinoma of the ovary
- CA 125 elevation
- predominantly solid ovarian neoplasms
- pelvine Aktinomykose
- Hydrometrokolpos
- specialised teratoma of the ovary
- Tubenkarzinom
- mucinous cystadenocarcinoma of ovary
- mesonephroid carcinoma of the ovary
- ovarian tumours associated with endomterial thickening
- ovarian cancer with peritoneal carcinomatosis
- gynäkologisch radiologisches Curriculum
- peritoneale Pseudozysten
- malignant mixed Müllerian tumour of the ovary
- peritoneal pseudocyst
- Ovar
- ovarian involvement in Burkitt lymphoma
- multilokuläres muzinöses Zystadenom des Ovars
- carcinosarcoma of ovary
- MRI appearance of an ovarian fibroma
- reifes zystisches Teratom
- Ovarialfibrom
- Hämangiom des Ovars
- Metastasen in der Cervix uteri


ovarian
borderline mucinous cystadenoma