USMLE Step 2 CK Lecture Notes 2019: Obstetrics/Gynecology (Kaplan Test Prep)

(Kiana) #1

PELVIC INFLAMMATORY DISEASE


A   19-year-old nulligravida    presents    to  the emergency   department  with
bilateral lower abdominal pelvic pain. The onset was 24 hours ago after she
had just finished her menstrual period. She is sexually active but using no
contraception. Speculum examination reveals mucopurulent cervical
discharge. Bimanual pelvic examination shows bilateral adnexal tenderness
and cervical motion tenderness. She is afebrile. Qualitative urinary β-hCG
test is negative. Complete blood cell count shows WBC 14,000. ESR is
elevated.

Pelvic inflammatory disease (PID) is a nonspecific term for a spectrum of
upper genital tract conditions ranging from acute bacterial infection to massive
adhesions from old inflammatory scarring.


The most common initial organisms are chlamydia and gonorrhea. With
persistent infection, secondary bacterial invaders include anaerobes and gram-
negative organisms.


PID is an ascending infection that starts within the cervix and moves up to
involve the oviducts and ovaries.


Cervicitis: The initial infection   starts  with    invasion    of  endocervical    glands
with chlamydia and gonorrhea. A mucopurulent cervical discharge or friable
cervix may be noted. Cervical cultures will be positive, but symptoms are
usually absent.
Acute salpingo-oophoritis: Usually after a menstrual period with breakdown
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