05. GYN Infections Flashcards
Which strains of HPV are targeted in Gardasil?
16, 18, 6, 11
Which strains of HPV are known to increase risk of cervical cancer?
16, 18
Which strains of HPV are known to cause most cases of genital warts?
6, 11
How can HSV be diagnosed in a patient with exposure but no outbreak?
Antibody tests
What symptoms will a patient experience during the prodrome phase of an HSV outbreak?
Tingling/itching of skin in region where lesion(s) will appear
How long does a primary HSV infection generally take to heal?
7-14 days
How long does viral shedding continue after a primary HSV infection?
2-3wks
What is the preferred tx for HSV?
Acyclovir (cheapest) or Valacyclovir (easiest BID dosing)
What are the preferred topical treatments for tinea?
Clotrimazole; miconazole; Ketoconazole
What organisms cause tinea?
Trichophyton rubrum; Epidermophyton floccosum
What oral treatments can be used for severe or unresponsive cases of tinea?
Itraconzole; Griseofulvin
What condition is associated with intense burning, pruritus, and erythema of the vaginal region with associated thick, curdy discharge?
Vaginal candidiasis
When diagnosising vaginal candidiasis, what characteristic should be observed on a wet mount?
Pseudohyphae
Are oral or topical therapies preferred for tx of vaginal candidiasis in a pregnant patient?
Topical
If a “strawberry cervix” and diffuse, malodorous, yellow-green d/c are observed during a specular exam, what STD should be suspected?
Trichomonas vaginalis
What treatments are effective for Trichomonas infections?
Systemic - Metronidazole or Tinidazole; Intravaginal NOT effective
A patient comes to clinic complaining of vaginal discharge that is thick and milky and smells “fishy”. What is your leading differential diagnosis based on the patient’s description?
Bacterial vaginosis
Is bacterial vaginosis an STD?
This is is a change in the balance of bacteria normally present in the vagina. It is NOT an STD, but it is considered a “sexually-associated infection”.
What are indicative lab findings of bacterial vaginosis?
Clue cells (>20%) on microscopic eval of d/c; fishy odor during “whiff test”; vaginal pH >4.5
What oral treatment is used for BV?
Metronidazole x 7 d
What topical treatment is used for BV?
Clindamycin crm 2% QHS x 7d
What STD causes target-shaped lesions on palms and soles?
Secondary syphilis
What is the first line treatment for syphilis?
Benzathine PCN G 2.4 million units IM (not the same as Strep tx)
What treatment can be used to treat syphilis in pts allergic to PCN?
Doxycycline BID x 28 d
How can a chancroid be differntiated from a chancre d/t primary syphilis?
Chancroid infxn is painful. Primary syphilis chancre is painLESS.
What is cervicitis?
Inflammation and infection of endocervical cells. MCC = GC & chlamydia.
S/Sx of cervicitis
Often asymptomatic. Mucopurulent cervicitis/vaginal d/c. DYSURIA THAT MAY BE CONFUSED WITH UTI. POSTCOITAL BLEEDING D/T FRIABLE CERVIX. Suspect CHL when sterile pyuria with UTI symptoms present
Tx of cervicitis
Presumptive tx for women
PID
Pelvic inflammatory disease. Inflammation of the upper female genital tract. Often d/t GC and/or CHL
Minimum criteria for Empiric Tx of PID
Pelvic/lower abdominal pain, AND Cervical motion tenderness or Uterine tenderness or Adnexal tenderness
Definitive Dx of PID
Transvag U/S, or MRI, or Laparoscopy showing endometritis
Tx of PID
Cefoxitin + Doxy +/- Metronidazole
Fitz-Hugh-Curtis Syndrome
PID accompanied by RUQ pain resulting from inflammation of peritoneum around the LIVER. Laparoscopy reveals thins adhesions “violin strings” in abdomen d/t chronic inflammation.
Complications of PID
Tubo-ovarian abscess (TOA); Adhesions, scarring, chronic pain; Infertility
What genital tract infection results primarily from IUD placement?
Actinomycosis (d/t Actinomyces israelii)
Tx of Actinomycosis
PCN & surgical drainage
Tx of Genital TB
RIPE regimen x 24-36 mo
CDC Criteria for TSS
Temp >38.9 C/102.2 F
Diffuse rash, intense erythroderma, blanching “boiled lobster”, with subsequent desquamation, esp. of palms & soles
Involvement of 3 or more organ systems