[45] Ovarian Cysts Flashcards
What groups can ovarian tumours be divided into?
- Functional
- Bengin
- Malignant
What % of ovarian cysts are benign?
70%
What are the types of benign ovarian tumours?
- Benign epithelial neoplastic cysts
- Benign cystic teratomas
- Benign neoplastic solid tumours
What % of benign ovarian tumours are benign epithelial neoplastic cysts?
60%
What are the types of benign epithelial neoplastic cysts?
- Serous cystadenoma
- Mucinous cystadenoma
Who are serous cystadenomas most common in?
Women 40-50 years
What might happen to the size of mucinous cystadenoma?
They may become enormous
What are mucinous cystadenomas filled with?
Mucinous material
What can happen if mucinous cystademomas rupture?
Can cause pseudomyxoma peritonei
Who are mucinous cystadenomas most common in?
20-40 age group
What cells do benign cystic teratomas arise from?
Primitive germ cells
What is a benign mature teratoma also known as?
Dermoid cyst
What might a dermoid cyst contain?
Well-differentiated tissue, e.g. hair, teeth
Who are dermoid cysts most common in?
Young women
What are the types of benign neoplastic solid tumours?
- Fibromas
- Thecomas
- Adenofibromas
- Brenner’s tumoru
What is a fibroma?
A small, solid, benign fibrous tissue tumour
What are ovarian fibromas associated with?
- Meigs syndrome
- Ascites
What are Brenner’s tumours?
Rare ovarian tumours displaying benign, borderline/proliferative, and malignant variants
What other ovarian tumours might Brenner’s tumours be associated with?
- Mucinous cystadenoma
- Cystic teratoma
What % of women do benign ovarian cysts occur in?
30% with regular menses
50% with irregular menses
Which age group do ovarian cysts occur in?
Premenopausal women (uncommon in post-menopausal and pre-menarchal women)
What are the most common type of ovarian cysts in young women?
Benign neoplastic cysts of germ cell origin
What are the risk factors for ovarian cysts?
- Obesity
- Tamoxifen therapy
- Early menarche
- Infertility
What type of ovarian cysts might run in families?
Dermoid
How might ovarian cysts present?
- Incidental finding (asymptomatic)
- Pain
- Dysparuenia
- Swollen abdomen
- Pressure effects
- Symptoms of complications
- Endocrine symptoms
Describe the pain in ovarian cysts?
Dull ache or pain in lower abdomen, low back pain