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Histology Colposcopy
Cytology
It has been estimated that annual Pap smear testing reduces a woman’s chance of dying of cervical cancer from 4 in 1000 to about 5 in 10,000 – a difference of almost 90%
NomenclatureNomenclature
CIN I CIN II CIN III
MildDysplasia
ModerateDysplasia
SevereDysplasia
Carcinoma in situ
SquamousSquamous EpitheliumEpithelium
basal layer
squamousepithelium
SCJ
Columnarepithelium
Stratification
SquamousSquamous EpitheliumEpithelium
stratified, non-keratinizing epithelium
original squamous epithelium
Cytological featuresCytological features
The standard method for staining cytological preparations is that of Papanicolaou
squamous epithelium
Colum
nar Epithelium
Colum
nar Epithelium
Normal columnar epithelium is easily recognised by its characteristic grape-like or villous appearance.
Following application of acetic acid, the villi often appear white and are more easily recognizable.
Columnarepithelium
Normal Normal CevixCevix, , ColposcopyColposcopy
original squamousepithelium
Columnarepithelium
SCJ
SCJ
original squamousepithelium
Columnarepithelium
Mature Mature metaplasiametaplasia
The new epithelium results from transformation of columnar to squamousepithelium, through the process of squamousmetaplasia
Normal transformation zone
CIN 3 CIN 3
In CIN 3 differentiation and stratification may be completely absent
12% ; 2-10 yearsIn early stromal invasion a group of cellshave breached the epithelial/stromaljunction
NomenclatureNomenclature
CIN I CIN II CIN III
MildDysplasia
ModerateDysplasia
SevereDysplasia
Carcinomain situ
The concept of cervical intraepithelial neoplasia proposes that all degrees of abnormality should be given the same name, as part of a continuous spectrum of disease
ASCASC--USUSASCUS
RepeatCytology
at 6 months
pos Colposcopy
neg
Repeat cytologyat 12 months
neg Repeat cytologyat 6 & 12 months
pos
pos
management ofhistological
abnormalities
Management Option 2.
ASCASC--USUSASCUS
HPV pos Colposcopy
neg
Repeat cytologyat 12 months
neg Repeat cytologyat 6 & 12 months
pos
pos
management ofhistological
abnormalities
Management Option 1.
HSILHSIL
HSIL
Satisfactorycolposcopy yes
Colposcopy (with ECC)
no
Diagnostic excisionalprocedure
management ofhistological
abnormalities
yes
Lesionidentified
no
No Lesionidentified
management ofhistological
abnormalities
Biopsy-confirmed CIN
Reviewmaterial change in diagnosis
no change
Management HSIL
AGCAGC
Management AGC (Atypical Glandular Cells )
AGC
Invasive diseaseRefer to specialist
yes
Colposcopy (with ECC)Endometrial sampling (> 35 years)
Initial Pap
no
Diagnostic excisionalprocedure (cold-knife
conization)
AGC - favor neoplasiaor AIS
CIN or AIS
AGC - NOS
management ofhistological
abnormalities
yes Repeat Cytologyevery 6 months (4x)no
HSIL or AGC
ASCASC--HH ASC-H
Colposcopy negBiopsy-confirmed CINany grade
management ofhistological
abnormalities
no change Change in diagnosis
Review of the material
Repeat cytologyat 6 & 12 months
management ofhistological
abnormalities
Management ASC-H (cannot exclude high-grade SIL)
LSILLSIL
LSIL
Satisfactorycolposcopy yes
Colposcopy (with ECC)
no
management ofhistological
abnormalities
yes
Lesionidentified no
No Lesionidentified
management ofhistological
abnormalities
Biopsy-confirmed CIN
Repeat cytologyat 6 & 12 months
ASC or CIN
Management LSIL
LSILLSIL LSILAdolescents;
option
Repeat Cytologyat 6 & 12 months ASC or CINnegative
RoutineScreening
ColposcopicTriage
Management LSIL; Option : Adolescents
Histology Colposcopy
Cytology
It has been estimated that annual Pap smear testing reduces a woman’s chance of dying of cervical cancer from 4 in 1000 to about 5 in 10,000 – a difference of almost 90%
MicroglandularMicroglandular endocervicalendocervical hyperplasiahyperplasia
polypoidal villi
non-pathologic condition
ScreeningScreening
It has been estimated that annual Pap smear testing reduces a woman’s chance of dying of cervical cancer from 4 in 1000 to about 5 in 10,000 – a difference of almost 90%
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