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OB/GYN > Pelvic Masses > Flashcards

Pelvic Masses Flashcards

1
Q

Define adnexa.

A

Ovaries, fallopian tubes, and associated ligaments

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2
Q

What is the appropriate measure to take following the finding of a simple ovarian cyst?

A

F/u or do a laparoscopy if concerned for cancer

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3
Q

What is the role of placing mesh in the ovaries following excision of a cystic ovary?

A

Prevent scar tissue and the development of adhesions

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4
Q

True or false: most function cysts (follicular or corpus luteum) regress in 1-2 months

A

True

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5
Q

What is the role of hormonal suppression for ovarian cysts?

A

-Adds nothing to waiting, but might prevent new cyst formation

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6
Q

What are the indications for excision of an ovarian cyst? (3)

A
  • Any child with pelvic mass
  • Any reproductive age woman with persistent cyst greater than 6 cm
  • Any menopausal woman w/ persistent or complex masses
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7
Q

What size of cyst indicates the need for surgical excision?

A

6 cm

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8
Q

What are the risks of ovarian cysts? (2)

A

Pain/leakage of blood/prostaglandins leading to hemoperitoneum

-Torsion

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9
Q

What is a culdocentesis?

A

Drainage of the cul-de-sac if there is hemoperitoneum

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10
Q

What are the risks of ovarian torsion?

A

Compromised vascular supply leads to ischemia

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11
Q

What are the s/sx of ovarian torsion?

A

Sudden onset of constant or intermittent pain with TTP on exam

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12
Q

What is the most common cause of an ovarian torsion?

A

Ovarian cystic teratoma

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13
Q

What imaging modality is helpful in diagnosing an ovarian torsion?

A

US with color doppler sonography

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14
Q

What is the treatment for ovarian torsion?

A

Surgical untwisting vs removal

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15
Q

Why are teratomas more likely to result in ovarian torsion?

A

Heavier mass

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16
Q

What are the two main cell lineages that give rise to ovarian neoplasms?

A

Epithelial cells

Germ cells

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17
Q

What are the 5 ovarian tumor that arise from epithelial tissue?

A
  • Serous
  • Mucinous
  • Endometrioid
  • Clear cell
  • Brenner
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18
Q

What is the most common malignant ovarian tumor? What are the histological characteristics of this?

A
  • Serous cystadenocarcinoma

- Psammoma bodies

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19
Q

What is the most common malignant ovarian tumor among children and adolescents? What are the chemical markers of this?

A

Dysgerminomas and hCG/LDH

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20
Q

What is more characteristics of a malignant ovarian tumor: unilateral or bilateral?

A

Bilateral

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21
Q

What is more characteristics of a malignant ovarian tumor: thin walled

A

Benign

Thick walled = malignant

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22
Q

Do ascites occur more often with malignant or benign ovarian tumors?

A

Malignant

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23
Q

What is more characteristics of a malignant ovarian tumor: complex

24
Q

What is more characteristics of a malignant ovarian tumor: mobile

25
What are the three major non-ovarian neoplastic masses?
- Leiomyoma - Endometrial carcinoma - Tubal carcinoma
26
What are the non-non-gynecologic, non-neoplastic causes of ovarian masses?
- Appendiceal abscesses - Diverticulosis - Adhesions
27
What is the urachus?
Remnant of the umbilical artery
28
What are the carcinomas that commonly met to the ovaries?
Appendix Large intestines Bladder
29
What are the four major factors that determine the management of new adnexal masses?
- Urgency (s/sx) - Size - Complexity of mass - Age
30
True or false: any ovarian cyst in a premenopausal woman should have a surgical evaluation
True
31
Under what size of an adnexal mass is no f/u needed for a reproductive aged woman?
Less than 5 cm
32
What is the next step of finding a small, hemorrhagic ovarian mass?
None
33
What is the next step in management for a nodule without flow or multiple thin septations?
Surgical eval or MRI
34
What size of an ovarian mass in a postmenopausal woman indicates the need for f/u? When is just f/u with US sufficient? When is surgery indicated?
More than 1 cm Less than 7 cm = US f/u More than 7 cm take out
35
Woman in early menopause with a hemorrhagic cyst = what to do next?
Repeat US in 6-12 weeks
36
What are Leiomyomas (fibroids)?
Proliferation of smooth muscle surrounded by a pseudocapsule of compressed muscle fibers
37
When is the highest prevalence of uterine Leiomyomas?
5th decade
38
In whom are leiomyomas more common in: white or black people?
Black
39
What is the most common indication for a hysterectomy?
Uterine leiomyomas
40
What are the three classifications of uterine leiomyomas?
- Intramural - Subserosal - Submucosal
41
What is the role of estrogen in the development of leiomyomas?
Increases their growth
42
In whom are uterine malignancies more typical in?
Postmenopausal patients who present with rapidly enlarging uterine masses, bleeding, and/or pelic pain
43
How common are leiomyosarcomas?
Rare
44
What are the s/sx of leiomyomas?
- *Bleeding* | - Pelvic pressure
45
What causes the bleeding with leiomyomas?
Alteration of normal myometrial contractile fashion, and an inability of the overlying endometrium to respond to normal e/p
46
What hematologic abnormality is a risk factor of untreated leiomyomas?
Anemia from chronic bleeding
47
What is the renal complication that can result from an untreated leiomyoma?
Hydroureter or hydronephrosis
48
How do you diagnose leiomyomas?
PE or imaging findings of a midline irregular mass
49
How do you communicate the size of leiomyomas?
Based on a fetal gestational size (e.g. 20 weeks)
50
What are the medical treatment options for leiomyomas?
Progestin supplementation to minimize bleeding - OCP - NSAIDs - GnRH agonists
51
What is the treatment for menorrhagia associated with leiomyomas?
Tranexamic acid
52
What is the MOA of tranexamic acid?
It serves as an antifibrinolytic by reversibly binding four to five lysine receptor sites on plasminogen or plasmin. This prevents plasmin from binding to and degrading fibrin and preserves the framework of fibrin's matrix structure
53
What is the surgical option for fibroids? (3) What are the downsides of each?
- Myomectomy (recurrence risk) - Hysterectomy (infertility) - Endometrial ablation (treats bleeding abnormalities, and only for submucosal fibroids)
54
What is myolysis?
Laparoscopic thermal, radiofrequency, or cryoablation of leiomyoma tissue
55
What is uterine artery embolization?
Injecting Poly vinyl alcohol to cause an infarction of the fibroid
56
What is MRI guided focused US?
US energy delivered to tissue to increase temp to 70 C.

OB/GYN (33 decks)

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