Ovarian Neoplasms ~ Epithelial Tumors

Gynecologic tumors that arise from the surface epithelium and covers the ovary and the underlying stoma?

Surface epithelial - stromal tumors

70% of epithelial tumors are _________, whereas 30% are _________.

Benign, Malignant

The two most common types of epithelial tumors?

• Serous

• Mucinous

Benign or low-malignancy potential form =

Adenoma

Malignant form =

Adenocarcinoma

The prefix ‘cyst’ is added if the lesion is _______.

Cystic

The prefix ‘fibroma’ is added if the tumor is more than ___% ________.

50% fibrous

Mucinous Cystadenoma is the ________ form.

Benign

___ - ___% of Mucinous Cystadenoma’s are benign.

80-85%

A type of epithelial tumor that is lined by the mucinous elements of the endocervix and bowel.

Mucinous Cystadenoma

Mucinous Cystadenoma is most common with what age group?

13-45 age range

What is the sonographic appearance of Mucinous Cystadenoma?

• Multiloculated cyst-like appearance

• Internal compartments may differ in echogenicity

• LARGE 15-30 cm

• Unilateral

Mucinous Cystadenocarcinoma is the __________ form.

Malignant

Mucinous Cystadenocarcinoma is most common with what age group?

40-70 age range

Mucinous Cystadenoma makes up ___% of all malignant primary ovarian tumors.

10

Mucinous Cystadenocarcinoma are _______ and have a ________ incidence of rupture.

Large, higher

What is the sonographic appearance Mucinous Cystadenocarcinoma?

• Large with thick irregular walls

  • May have papillary projections

• Ascites – w/ bright punctate echoes

What is this US image?

Mucinous Cystadenocarcinoma

What is this US image?

Mucinous Cystadenocarcinoma

What is this US image?

Mucinous Cystadenocarcinoma

What is Pseudomyxoma Peritonei?

• Spread of ruptured contents

• Adhesions of abdominal contents

What is the sonographic appearance of Pseudomyxoma Peritonei?

• Fills much of the abdomen

• Mass-like effect

• Loculated ascites

• Multiple clusters of anechoic spaces

What is this US image?

Pseudomyxoma Peritonei

What is this US image?

Pseudomyxoma Peritonei

What is this US image?

Pseudomyxoma Peritonei

2nd most common benign ovarian tumor.

Serous Cystadenoma

Serous Cystadenoma are normally _______ & _________ than mucinous cystadenomas.

Unilateral, smaller

What is the sonographic appearance of Serous Cystadenoma?

• Multiloculated

• Papillary projections

• Septations

Serous Cystadenocarcinoma constitutes ___-___% of all ovarian carcinomas?

60-80%

More than half of Serous Cystadenocarcinoma’s are found __________.

Bilaterally

What is the sonographic appearance of Serous Cystadenocarcinoma?

• Multiloculated

• Irregular borders

• Internal papillary projections

• Ascites

  • May have calcifications

What is this US image?

Serous Cystadenocarcinoma

What is this US image?

Serous Cystadenocarcinoma

Endometrioid tumors are almost always ________, and 50% are found _________.

Malignant, bilateral

Endometrioid tumors are most common with what age group?

50-60 age range

What is the histologically appearance of Endometrioid tumors?

Tissue is similar to the endometrium

What is the sonographic appearance of Endometrioid tumors?

No specific distinction from other ovarian tumors

What is this US image?

Endometrioid Tumor

Endometrioid tumors are almost always ________, and 20% are found _________.

Malignant, bilateral

Clear Cell Adenocarcinoma is considered a clear _________, and a variant of ___________ CA.

Cytoplasm, Endometrioid

Clear Cell Adenocarcinoma are most common with what age group?

50-70 age range

What is the sonographic appearance of Clear Cell Adenocarcinoma?

Usually present as nonspecific complex, predominantly cystic

What is this US image?

Clear Cell Adenocarcinoma

What is another name for Brenner Tumor?

Transitional Cell

Brenner Tumor is _________ {<2%}, and the majority are ___________.

Uncommon, benign

Brenner Tumors are most common with what age group?

40-70 age range

Brenner tumors are _______, ________ fibrous stroma.

Solid, Dense

What is the sonographic appearance of Brenner Tumor?

• Small & Solid

• Hypoechoic

  • May have calcification

• Cystic areas may be present with coexistent cystadenoma

What is this US image?

Brenner Tumor

What is this US image?

Brenner Tumor