ovarian neoplasms
DESCRIPTION
Ovarian Neoplasms. Dr. Sahar Farouk Lecturer in Pathology FOM/SCU. Ovarian Neoplasms- Introduction. Common neoplasms. 80% are benign – young (20-45) 20% are Malignant - older (>40) 6% of all cancers in women. 50% deaths due to late detection. Risk Factors. Null parity - PowerPoint PPT PresentationTRANSCRIPT
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Ovarian Neoplasms
Dr. Sahar FaroukLecturer in PathologyFOM/SCU
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Ovarian Neoplasms- Introduction
Common neoplasms.80% are benign – young (20-45)20% are Malignant - older (>40)6% of all cancers in women.50% deaths due to late detection.
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Risk Factors
Null parityGonadal DysgenesisFamily HistoryOvarian cancer genes
– BRCA1 (17q12) & BRCA2(13q12)
(Cancer suppressor, Breast & ovary)
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Classification
Surface epithelial – 65-70% stromal – 15-20%Germ cell tumors – 5-10%Metastatic tumors – 5%
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Surface Epithelial tumors:
Coelomic mesothelium.– Serous(tubal), Mucinous (Cx) & endo
Most common primary neoplasms90% of malignant tumors of ovaryMorphologically
– Cystic – Cystadenomas– Solid/cystic – Cystadenofibromas– Solid - adenofibromas
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Surface Epithelial tumors
Serous (tubal) Mucinous (endocx & intestinal)EndometrioidTransitional cell - Brenners.Clear cell
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Surface Epithelial tumors
all types can be benign, borderline , or malignant, depending upon;
Benign ; - gross: mostly cystic - microscopic; fine papillae, single layer covering (no stratification), no nuclear atypia, no stromal invasion)
Borderline ; - gross; cystic / solid foci - microscopic; papillary complexity, stratification, nuclear atypia, no stromal invasion
Malignant ; - gross; mostly solid & hemorrhage / necrosis - microscopic; papillary complexity, stratification, nuclear atypia,
stromal invasion
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Serous Tumors:
Frequently bilateral (30-66%).75% benign/bord., 25% malignant.One unilocular cysts, papillary/less solid-
benign/borderlineTall columnar ciliated epithelium.Papillary, solid, hemorrhage, necrosis or
adhesions – malignancy.Extension to peritoneum – bad prognosis.
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Serous Cystadenoma
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Bilateral cystadenoma
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Serous Cystadenoma:
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Serous Cystadenoma
• single layer of columnar ciliated
•Fine papillae
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Papillary serous cystadenoma (solid/cystic)-borderline
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Papillary cystadenoma (bor)
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Papillary cystadenoma (bor)
•Papillary complexity
•Nuclear stratification& atypia
•No stromal invasion
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Serous cystadeno Ca – bilateral
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Serous cystadeno Carcinoma
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Serous cystadenocarcinoma
•Papillary complexity•Nuclear stratification& atypia•stromal invasion•Psammoma bodies
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Mucinous Tumors:
Less common 25%, very large.Rarely malignant - 15%.Multiloculated, many small cysts.Rarely bilateral – 5-20%.Tall columnar, apical mucin.Pseudomyxoma peritonei.
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Mucinous cystadenoma
•Multilocular cyst lined by single layer of columnar cells with basally placed nuclei and apical mucin.
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Mucinous cystadenoma-borderline
•Papillary complexity•Nuclear stratification& atypia• No stromal invasion
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Mucinous cystadenocarcinoma
•Papillary complexity•Nuclear stratification& atypia•stromal invasion
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Endometrioid tumors
most are unilateral (40% are bilateral) cells look like endometrium even though
they are coming from the coelum of the ovary.
almost all are malignant about 20% of all ovarian tumors many are associated with endometrial
cancer (30%) patient may have concurrent endometriosis
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Endometrioid tumors
Solid / cyst filled by hemorrhage & necrosis
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Endometrioid adenocarcinoma
• stromal invasion by irregular malignant endometrial glands
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Clinical course of coelomic surface epithelial tumors
– low abdominal pain– abdominal enlargement– GI tract complaints– urinary tract complaints– malignant ones produce ascites– serosal surfaces are seeded with cancer
in metastasis– grow slowly and get very large
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Germ cell tumor- classification
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Germ cell Tumors
Teratoma – – Benign cystic (dermoid cysts)– Solid immature– Monodermal – struma ovarii, carcinoid
DysgerminomaYolk sac tumor (Endodermal sinus tumor )Choricarcinoma Mixed germ cell tumor
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Cystic Teratoma (Dermoid Cyst)
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Dermoid Cyst
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Monodermal teratomas
•Struma ovarii:
composed entirely of mature thyroid tissue
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Immature Teratoma
•Solid/ necrosis &hemorrhage
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Immature Teratoma
• primitive neuroepithelium with multiple neural tubes
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Dysgerminoma
The ovarian counterpart of the testicular seminoma
2% of all ovarian malignancies Most common malignant germ cell tumorAffects primarily younger females with the
majority in the second and third decades. It is the most frequently encountered ovarian
malignancy in pregnancyAn excellent prognosis. Highly radiosensitive .
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Dysgerminoma
•Solid/ lobulated mass with foci of hemorrhage
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Dysgerminoma
•sheets of monotonous rounded cells with pale cytoplasm and central nuclei
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Endodermal sinus tumor (Yolk sac carcinoma)
Tumor is a highly malignant and clinically aggressive neoplasm
Most frequently in children and young females
20% of malignant germ cell tumors. fatal within 2 years of diagnosis
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Endodermal sinus tumor (Yolk sac carcinoma)
• Schiller-Duval body
BV
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Sex Cord - Stromal Tumors
Granulosa-cell tumor Thecoma Fibroma Sertoli-Leydig cell tumors
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Granulosa Cell Tumor
Hormonally active tumorThe most common estrogenic ovarian
neoplasm. The adult form occurs mainly in
postmenopausal women, associated with endometrial hyperplasia and carcinoma
The juvenile type occurs in the first two decades, cause precocious sexual development.
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Granulosa Cell Tumor
•Solid with hemorrhage
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Granulosa Cell Tumor
•Sheets of granulosa cells containing spaces lined by the cells to give a follicle-like appearance (Call-Exner bodies).
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Thecoma
Functional tumors producing estrogenIt occur in postmenopausal womenEndometrial hyperplasia or carcinoma
may develop
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Thecoma
•Solid tumor with variegated yellow - orange appearance.
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Thecoma
• sheets of round to oval cells with pale cytoplasm containing lipid.
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Sertoli-Leydig cell tumors
1% of ovarian neoplasms It occur predominantly in young women.Commonly androgenic, cause
defeminization of women manifested as breast atrophy, amenorrhea, and loss of hair and hip fat , to virilization with hirsutism
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Sertoli-Leydig cell tumors
• solid & hemorrhage
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Sertoli-Leydig cell tumors
•Tubules lined by Sertoli cells and sheet of Leydig cells
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Metastases to ovary
About 3% of malignant tumors in the ovary are metastatic
The most common primary site is the breast followed by the large intestine, stomach, and other genital tract organs.
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Krukenberg tumor
It is applied to the uniform enlargement of the ovaries (usually bilaterally) due to diffuse infiltration of the ovarian stroma by metastatic signet-ring cell carcinoma .
The commonest primary site is the stomach followed by the colon.
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Krukenberg Tumor
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Krukenberg Tumor
•Ovarian infiltration with signet ring cell
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1.1. List risk factors of ovarian neoplasmsList risk factors of ovarian neoplasms2.2. Mention the classification of ovarian neoplasmsMention the classification of ovarian neoplasms3.3. List the classification of surface epithelial tumors of ovaryList the classification of surface epithelial tumors of ovary4.4. Mention the clinical features of serous tumor of ovaryMention the clinical features of serous tumor of ovary5.5. Describe the gross/microscopic features of serous tumor of ovaryDescribe the gross/microscopic features of serous tumor of ovary6.6. Mention the clinical features of mucinous tumor of ovaryMention the clinical features of mucinous tumor of ovary7.7. Describe the gross/microscopic features of mucinous tumor of ovaryDescribe the gross/microscopic features of mucinous tumor of ovary8.8. List the classification of germ cell tumors of ovaryList the classification of germ cell tumors of ovary9.9. Mention the clinical features of teratoma (mature/immature)Mention the clinical features of teratoma (mature/immature)10.10. Describe the gross/microscopic features of teratoma (mature/immature)Describe the gross/microscopic features of teratoma (mature/immature)11.11. Mention the clinical features of DysgerminomaMention the clinical features of Dysgerminoma12.12. Describe the gross/microscopic features of DysgerminomaDescribe the gross/microscopic features of Dysgerminoma13.13. List the classification of sex cord-stromal cell tumors of ovaryList the classification of sex cord-stromal cell tumors of ovary14.14. Mention the clinical features of Granulosa cell tumorMention the clinical features of Granulosa cell tumor15.15. Describe the gross/microscopic features of Granulosa cell tumorDescribe the gross/microscopic features of Granulosa cell tumor16.16. Mention the clinical features of ThecomaMention the clinical features of Thecoma17.17. Describe the gross/microscopic features of ThecomaDescribe the gross/microscopic features of Thecoma18.18. Mention the clinical features of Sertoli-Leydig cell tumor Mention the clinical features of Sertoli-Leydig cell tumor 19.19. Describe the gross/microscopic features of Sertoli-Leydig cell tumor Describe the gross/microscopic features of Sertoli-Leydig cell tumor 20.20. Mention the clinical features of Krukenberg tumor Mention the clinical features of Krukenberg tumor 21.21. Describe the gross/microscopic features of Krukenberg tumorDescribe the gross/microscopic features of Krukenberg tumor
Learning objectives
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