Differentials

Common

Cervical cancer

History

history of abnormal cervical cytology (Pap smear or liquid-based cytology); contact bleeding (bleeding related to intercourse and bimanual exam); pelvic pain; possible history of multiple sexual partners, early-onset sexual activity (<18 years), cigarette smoking, immunosuppression, lower socioeconomic status, and oral contraceptive use

Exam

cervical mass or cervical bleeding on vaginal/speculum examination

1st investigation
  • colposcopy:

    abnormal cervical lesions and/or cervical bleeding

    More
Other investigations
  • cervical biopsy:

    malignant cells

    More

Miscarriage

History

previous missed period; vaginal bleeding with or without clots; may be associated pelvic pain or recent postcoital bleeding

Exam

vaginal speculum examination may reveal products of conception in the upper vagina or protruding through the cervical os.

1st investigation
  • serum or urine hCG:

    positive

    More
  • transvaginal ultrasound:

    no visible yolk sac or embryo; no visible cardiac activity in an embryo ≥7 mm

    More
Other investigations
  • CBC:

    normal or anemia

  • rhesus blood group:

    identifies maternal Rh-negative blood group, if present

    More

Cervical polyp

History

contact bleeding (e.g., postcoital bleeding, postvaginal exam bleeding), patient usually ages over 40 years

Exam

speculum exam may reveal the cervical polyp

1st investigation
  • none:

    clinical diagnosis

    More
Other investigations
  • hysteroscopy:

    visualization of polyp

    More
  • transvaginal ultrasound:

    visualization of polyp

    More

Ectropion

History

usually a history of contact bleeding (e.g., postcoital bleeding)

Exam

speculum exam of cervix reveals red rather than pink outer cervix due to shift of transformation zone

1st investigation
  • colposcopy:

    visualization of suspicious area

    More
Other investigations

    Iatrogenic

    History

    use of hormonal contraception or hormone replacement therapy; missed, delayed, or erratic pill taking; erratic painless bleeding

    Exam

    normal examination

    1st investigation
    • none:

      clinical diagnosis

    Other investigations
    • cervical cytology:

      normal

      More

    Uncommon

    Endometrial cancer

    History

    usually >50 years, intermenstrual bleeding, obesity, nulliparity, history of polycystic ovarian syndrome, late menopause, unopposed estrogen use, tamoxifen use, smoking, history or family history of hereditary nonpolyposis colon cancer

    Exam

    uterine enlargement and irregularity on bimanual exam

    1st investigation
    • transvaginal ultrasound:

      focally thickened endometrium

      More
    Other investigations
    • endometrial biopsy:

      endometrial adenocarcinoma present

      More

    Ovarian cancer

    History

    family history of ovarian or breast cancer, known BRCA1 or BRCA2 mutation; nonspecific GI symptoms might be more prominent than gynecologic symptoms (e.g., bloating, nausea, dyspepsia, diarrhea, constipation); urinary urgency is common

    Exam

    pelvic mass; adnexal or rectovaginal mass on pelvic exam

    1st investigation
    • transvaginal ultrasound:

      presence of solid, complex, septated, multiloculated mass; high blood flow

    Other investigations
    • CT pelvis and abdomen:

      peritoneal thickening, enlarged lymph nodes, ascites, omental thickening, liver metastases

      More
    • histopathology:

      infiltrative destructive growth best demonstrated by clusters of disorganized cells, usually with desmoplasia

    • CA 125:

      >35 U/mL

      More

    Vaginal cancer

    History

    history of contact bleeding (e.g., postcoital bleeding)

    Exam

    speculum exam may reveal vaginal tumor and suspicious areas that bleed on touch

    1st investigation
    • colposcopy:

      abnormal vasculature, acetowhite epithelium

    Other investigations
    • vaginal biopsy:

      malignant cells

      More

    Ectopic pregnancy

    History

    previous missed period, pelvic pain, previous history of ectopic pregnancy or pelvic infections, prior tubal surgery or use of assisted reproductive technologies

    Exam

    tenderness on lower abdominal palpation; pain and palpable mass on bimanual exam; cervical motion tenderness; rarely palpable adnexal mass; warning signs of possible rupture including hypotension, tachycardia, involuntary abdominal guarding, referred shoulder pain

    1st investigation
    • ultrasound (abdominal and transvaginal):

      no intrauterine pregnancy; gestational sac in extrauterine location; fluid sometimes present in pouch of Douglas

    • serum or urine hCG:

      positive

    Other investigations
    • CBC:

      normal or anemia

    Placental abruption

    History

    vaginal bleeding, abdominal pain and uterine contractions; usually occurs in second or third trimester; history of mother smoking or using cocaine, trauma (e.g., been involved in a motor vehicle accident or victim of domestic violence), hypertension, prior placental abruption

    Exam

    tender hard uterus, uterine contractions; hypotension and tachycardia in larger hemorrhages

    1st investigation
    • fetal monitoring:

      abnormalities in the tracing that suggest an abruption: late decelerations, loss of variability, variable decelerations, a sinusoidal fetal heart rate tracing, and fetal bradycardia, defined as a persistent fetal heart rate below 110 beats per minute

      More
    • CBC:

      normal or anemia or thrombocytopenia

      More
    • type and crossmatch:

      preparation for transfusion/surgery

      More
    • ultrasound:

      retroplacental hematoma (hyperechoic, isoechoic, hypoechoic); preplacental hematoma (jam-like appearance with a shimmering effect of the chorionic plate with fetal movement); increased placental thickness and echogenicity; subchorionic collection or marginal collection

      More
    Other investigations
    • coagulation studies (PT, PTT, fibrinogen, fibrinogen breakdown products):

      abnormal

      More

    Placenta previa

    History

    painless vaginal bleeding, usually presents in the second or third trimester; history of previous cesarean section, previous abnormal placentation, high parity, in vitro fertilization, advanced maternal age

    Exam

    absence of cervical/vaginal causes of bleeding on speculum examination; nontender uterus; low BP; tachycardia

    1st investigation
    • transabdominal ultrasound:

      position of placenta; variable

      More
    • CBC:

      low Hb in acute bleeding

      More
    • type and crossmatch:

      preparation for transfusion/surgery

      More
    Other investigations
    • coagulation studies (PT, PTT, fibrinogen, fibrinogen breakdown products):

      may be abnormal

      More
    • MRI:

      position of placenta and degree of invasion of the uterus; variable

      More

    Cervicitis

    History

    multiple sexual partners, history of sexually transmitted infection, bacterial vaginosis, unprotected intercourse, intermenstrual/postcoital bleeding, dyspareunia, dysuria

    Exam

    purulent vaginal or cervical discharge; friable and tender cervix on digital exam or swab use; vulval or vaginal inflammation; strawberry cervix

    1st investigation
    • nucleic acid amplification test (NAAT):

      positive for Chlamydia trachomatisor Neisseria gonorrhoeae

      More
    • wet-mount exam of cervical discharge:

      >10 WBCs per high-power field of vaginal fluid (leukorrhea)

      More
    • rapid tests (OSOM Trichomonas, Affirm VP III):

      positive for Trichomonas vaginalis

      More
    • Gram stain of cervical discharge:

      Lactobacillus morphotype reduced or absent

      More
    Other investigations
    • Thayer-Martin agar cervical culture:

      growth of pathogen

      More
    • cervical cytology:

      normal

      More
    • HIV serology:

      negative

      More
    • hepatitis B and C serology:

      negative

      More
    • rapid plasma reagin test or venereal disease research laboratory test:

      negative

      More

    Vaginitis

    History

    presence of intrauterine device; use of oral contraceptive pill; douching; sexual activity; poor or excessive hygiene; prior antibiotic use; HIV infection and diabetes; vaginal discharge, dysuria, dyspareunia, intermenstrual/postcoital bleeding; pruritus

    Exam

    discharge adherent to vaginal mucosa; erythema, or pale and shiny epithelium, decreased elasticity, friable epithelium (atrophic vaginitis); vulvar erythema or edema can accompany candidal vaginitis

    1st investigation
    • pH:

      elevated/normal

      More
    • amine "whiff" test:

      positive in bacterial vaginosis

      More
    • wet-mount microscopy:

      identification of bacterial and yeast infections

      More
    • Gram stain of vaginal secretions:

      Lactobacillus morphotype reduced or absent

      More
    Other investigations
    • nucleic acid amplification test:

      may be positive for chlamydia or gonorrhea

      More
    • HIV serology:

      negative

      More
    • hepatitis B and C serology:

      negative

      More
    • rapid plasma reagin test or venereal disease research laboratory test:

      negative

      More

    Sexual abuse in children

    History

    a high index of suspicion is required; symptoms, often non-specific, can include frequent or persistent genitourinary complaints, chronic somatic complaints (e.g., headache or recurrent abdominal pain), depression, sexualized behavior, aggression, regression, or sleep disturbance

    Exam

    often normal; may be straddle injury, vaginal discharge, anogenital lesions, hymen abnormalities, anal fissures, or tags

    1st investigation
    • none:

      diagnosis is clinical

      More
    Other investigations

      Neonatal uterine bleeding

      History

      female neonate on day 3 to 5 of life

      Exam

      normal

      1st investigation
      • none:

        clinical diagnosis

      Other investigations

        Precocious puberty

        History

        age <8 years, breast development, growth of axillary and pubic hair, increased growth velocity

        Exam

        breast development, tall stature

        1st investigation
        • bone age assessment:

          advanced

          More
        • serum follicle stimulating hormone (FSH) and luteinizing hormone (LH):

          abnormal

          More
        • serum estrogen:

          usually elevated

        • androgen panel:

          dehydroepiandrosterone (DHEA) and DHEA-sulphate detected

        • ultrasound pelvis:

          uterine enlargement, endometrial thickening, may show ovarian cysts or tumors

        Other investigations

          Genital trauma

          History

          history of trauma, usually saddle injury; haematuria or inability to void urine if urethral injury

          Exam

          vulval bruising, laceration, hematoma

          1st investigation
          • none:

            clinical diagnosis

          Other investigations
          • examination under anesthesia:

            variable

            More

          Vaginal foreign body

          History

          foul-smelling and/or blood-stained discharge

          Exam

          vaginal foreign body

          1st investigation
          • none:

            clinical diagnosis

          Other investigations
          • examination under anesthesia or sedation:

            foreign body present

            More

          Condylomata acuminata

          History

          may be history of trauma to genital warts or history of other sexually transmitted infections

          Exam

          verrucous fleshy papules, may coalesce into plaques

          1st investigation
          • none:

            clinical diagnosis

          Other investigations

            Use of this content is subject to our disclaimer