The Bethesda Grading System
This grading system is very complicated and if you
want further information for this please see
www.bethesda2001.cancer.gov
In a Nutshell
Normal Pap
ASCUS (Atypical squamous cells of undeter-
mined significance)
LGSIL (low grade squamous intraepithelial
neoplasia)
HGSIL (high grade squamous intraepithelial
neoplasia)
Cancer
When should you have Pap smears?
You should have your first pap smear when you become
sexually active or by age 18 (whichever is first). It is
generally considered safe and good healthcare to have
Pap tests once a year.
How Reliable is the test? No test is perfect, but
the Pap smear has helped drastically reduce the number
of women who die of cervical cancer. The Thin Prep
Pap Test is the most reliable Pap and is the only one
recommended routinely now.
What happens if I have an abnormal Pap
Test?
ASCUS Paps: It is recommended with this result that
a repeat pap test be performed in 3 months after treat-
ment with metrogel, cleocin, or doxycycline. 95% of AS-
CUS paps are inflammatory in nature and resolve with
therapy. 5% are, in reality, dysplastic (pre-cancerous)
and if the repeat Pap again is ASCUS then it is recom-
mended to have a Colposcopy. If the repeat Pap test is
normal then it is recommended to repeat it again in 6
months. 3 negative pap tests in a row suggest a normal
cervix.
LGSIL, HGSIL, Cancer Paps: It is recommended
that all paps that initially fall into this range should un-
dergo a more thorough evaluation of the cervix with col-
poscopy.
The Human Papilloma Virus (HPV)
Connection: HPV is now recognized as the major
cause of cervical dysplasia and cancer. It is very com-
mon, with more than 100 types known. Fewer than 20,
however, are considered high risk types that are prone to
cause higher grade dysplasias and cervical cancer. Low
risk HPV types include 6, 11 and are associated with
mild dysplasia and genital warts. High risk HPV types
include 16, 18, 31, 33, 39,45,51,52,56,59,68,69. These
types are associated with the formation of high grade
dysplasias and cancer. Most people have both types.
The HPV DNA Test checks directly for genetic HPV ma-
terial in the specimen and is used most often when re-
petitive ASCUS paps results are obtained. This helps
determine the potential of this mildly abnormal pap to
become more serious.
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What is Colposcopy?
Why is Colposcopy Important?
Colposcopy helps define why the Pap test is ab-
normal, and, therefore, is a more definitive test.
Is it Painful? Most patients describe mild
cramping or pinching. This is helped by taking
ibuprofen/advil ahead of time.
Does this Procedure affect childbear-
ing? No
What happens after Colposcopy?
You may have mild cramps which advil will re-
lieve. In addition, some bleeding with brownish or
yellowish discharge may occur. You can use a
tampon after colposcopy. Call your doctor if you
have heavy bleeding and/or fever. Your results
will usually be ready in 1-2 weeks. Make sure to
schedule a follow-up appointment.
What Therapies are available?
ASCUS/LGSIL: usually 6 months pap smears
and watchful waiting. 90% resolve with healthy
living and anti-oxidants and avoidance of expo-
sures.
HGSIL: Cryosurgery, Office LEEP, Cone biopsy
with every 3-6 months follow-up. Women done
with childbearing may elect hysterectomy which is
done vaginally or laparoscopically.
The colposcope magnifies, or enlarges, the im-
age of the outer portion of the cervix. It is some-
what like looking through a pair of binoculars.
This allows the health care provider to see the
outer portion of the cervix better. Sometimes a
small sample of tissue (called a biopsy) is taken
for further study. The tissue samples help the
health care provider to figure out how to treat
any problems found. And, if cancer of the cervix
is found early, or a precancerous change of cells
is found, it can be treated and almost always
can be cured. Also, for precancers and early
cancers of the cervix, sometimes removal of part
of the cervix may be the only treatment needed.
Mild Dysplasia
CIN 1
Class 3
Atypical
Inflammatory
Class 2
Mod Dysplasia
Severe Dysplasia-
CIN 2, 3
Class 4
Cancer
Class 5