Ob/Gyn Flashcards

1
Q

What are the 6 diagnostic tests in suspected ovarian cancer workup?

A
Baseline serum CA-125
CT abd/pelvis for staging 
CXR 
Mammogram
Pap smear 
Colonoscopy
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2
Q

What are 2 major risk factors for ovarian cancer?

A

Family history

Increased ovulatory cycles (infertility, nulliparity, >50)

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3
Q

What is the most common treatment course for ovarian cancer?

A

Surgical debulking then chemotherapy

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4
Q

What is the most common type of ovarian cancer

A

Epithelial ovarian cancer

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5
Q

Af what stage are most ovarian cancers diagnosed?

A

Stage III

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6
Q

Virilization, hirsutism, acne, short stature, late onset menses – diagnosis?

A

Congenital adrenal hyperplasia due to 21 hydroxylase deficiency (inc levels of progesterone and 17 hydroxyprogesterone and testosterone but no cortisol or aldosterone)

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7
Q

How is the diagnosis of CAH due to 21 hydroxylase deficiency diagnosed?

A

ACTH challenge leading to increased levels of 17 hydroxyprogesterone

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8
Q

Inflammatory eczematous lesions of nipple and areola

A

Paget Disease of breast

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9
Q

If a patient presents with crusty, eczematous lesions on the breast, what MUST be performed and why?

A

Full thickness punch biopsy since paget disease of breast is highly associated with in site or invasive ductal carcinoma

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10
Q

Benign growths in milk ducts that cause nipple discharge

A

Intraductal papillomas

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11
Q

Lumpy breasts with midcycle tenderness

A

Fibrocystic changes of the breast

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12
Q

Benign but large, bulky breast tumor with cystic spaces, leaflike projections and myxoid contents

A

Phyllodes tumor

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13
Q

Diagnosis of paget disease of breast

A

Full thickness punch biopsy and mammogram

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14
Q

Treatment of paget disease of breast

A

Surgical excision and radiation

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15
Q

What is androgen insensitivity syndrome

A

X-linked recessive disorder where XY males have unresponsiveness of testosterone receptor to testosterone and DHT so they develop female external genitalia ad have male internal genitalia

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16
Q

Normal-appearing female with male genotype

A

Androgen insensitivity syndrome

17
Q

How would a patient with androgen insensitivity syndrome present?

A

Amenorrhea, lack of axillary or pubic hair, cryptorchid testes, blind vaginal pouch

18
Q

What is the mechanism of 5-alpha reductase deficiency?

A

XY males can’t convert testosterone to DHT so they have ambiguous external genitalia until puberty when they eventually become masculinized

19
Q

What causes ovaries but ambiguous or masculine external genitalia in 46XX?

A

Exposure to androgen steroids during pregnancy

20
Q

What causes testes but ambiguous or feminine external genitalia in 46XY?

A

Androgen insensitivity syndrome

21
Q

What are the estrogen, LH ad FSH levels in menopause?

A
Estrogen = low
LH = high
FSH = high
22
Q

What is the pathophysiology behind menopause?

A

Loss of ovarian follicles and ovary dysfunction leading to loss of response to GnRH ad therefore cessation of estrogen production

23
Q

What are the symptoms of menopause?

A

HAVOCS = hot flashes, atrophy of vagina, osteoporosis, CAD, sleep disturbances

24
Q

How does HPV lead to cervical cancer?

A

E6 and E7 proteins downregulate p53 and Rb tumor suppressors so G1 to S progression continues and leads to replication of damaged cells

25
Q

What is the primary lesion of HPV and what do they look like?

A

Papules forming condylomata acuminata that are irregular, pinkish white raised cauliflower-appearing clusters

26
Q

Papules that are irregular, pinkish white raised cauliflower-appearing clusters, pruritic and non-painful

A

HPV

27
Q

How are HPV warts diagnosed?

A

Clinically and biopsy for confirmation

28
Q

What is the treatment for HPV lesions?

A
  1. Cryotherapy, laser or excision

2. Topical agents – podophyllotoxin, imiquimod, trichloroacetic acid

29
Q

Which HPV serotypes are associated with warts? Cancer?

A

Warts – 6, 11

Cancer – 16, 18, 31

30
Q

What type of vaccine is the HPV vaccine?

A

Subunit

31
Q

What are 4 risk factors for cervical cancer?

A

Early sexual activity
Multiple partners
Smoking
Low SES

32
Q

What are 7 risk factors for endometrial cancer?

A
Late menopause 
Estrogen therapy
Nulliparity 
Decreased fertility
Diabetes 
Tamoxifen 
Obesity
33
Q

Which cancers does nulliparity increase your risk for?

A

Breast

Endometrial

34
Q

What are 6 risk factors for breast cancer?

A
Nulliparity 
Female gender
Early first menarche (<12)
Delayed first pregnancy (>30)
Late menopause (>50)
Family history