- Determines the presence of invasive cancer
- Localizes the squamocolumnar junction
- Identifies the most severe disease for biopsy
- Evaluates the extent of disease
Colposcope:
- Stereoscopic binocular microscope
- Generally panoramic view at 10x
- Green filter -> to highlight vascular pattern
- Kevorkian-Younge biopsy forceps
1. Evaluate entire lesion
- Can you follow the entire lesion?
- Does it go past the SCJ and into the endocervix?
- Does it move into the vagina
2. Evaluate entire SCJ
- Is it obscured by prior treatments?
- Does it recede into the endocevix?
Proper evaluation of both lesion and the SCJ is an adequate for colposcopy
Post-Menopausal Colposcopy
Esterogen treatment will cause enough ectropion of endocervical cells to result in satisfactory examination
Transformation zone can't be visualized
- Unexplained vaginal bleeding
- Positive screening test by Cervicography or Speculoscopy
- Abnormal Pap test suggesting cervical dysplasia
- Positive high risk HPV DNA in ASC-US triage
- Was pioneered in Germany by dr. Hinselmann (1920's)
- His work identified several atypical appearances that still used today:
- Leukoplakia
- Punctation
- Felderung (mosaicism)
- Today colposcopy has been accepted as a diagnostic tool in evaluating abnormal pap test
- Incidence of cervical cancer varies from 1 to 15 cases per 10,000 pregnancies
- Mean age of diagnosis: 34 years
NIH/ASCCP Guidelines for Management of Women with Cervical Cytological Abnormalities
- In the absence of invasive disease, additional colposcopic and cytological examinations are recommended, with biopsy only if the appearance of the lesion worsens or cytology suggests invasive cancer.
- Unless invasive cancer is identified, treatment is unacceptable.
- A diagnostic excisional procedure is recommended only if invasion is suspected.
- Re-evaluation with cytology and colposcopy is recommended no sooner than 6 weeks postpartum.
- It is preferred that the colposcopic evaluation of pregnant women with HSIL be conducted by clinicians who are experienced in the evaluation of colposcopic changes induced by pregnancy.
- Biopsy of lesions suspicious for high-grade disease or cancer is preferred; biopsy of other lesions is acceptable.
- Endocervical curettage is unacceptable in pregnant women.
- Since unsatisfactory colposcopy may become satisfactory as the pregnancy progresses, it is recommended that women with an unsatisfactory colposcopy undergo a repeat colposcopic examination in 6-12 weeks.
Large transformation zone with active squamous metaplasia
Increased vascularity, stromal edema, and stromal hypertrophy, cause marked enlargement of the cervix
- Pregnancy triggers very active squamous metaplasia which shows an exaggerated acetowhite change in response to acetic acid.
- Increased vascularity and stromal edema can cause a decrease in acetowhitening but an exaggeration of vascular patterns.
Normal Colposcopy
dr. Sigit Purbadi, SpOG(K)