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Cervical cancer is staged by the [[International Federation of Gynecology and Obstetrics]] (FIGO) staging system, which is based on clinical examination, rather than surgical findings. It allows only the following diagnostic tests to be used in determining the stage: palpation, inspection, [[colposcopy]], endocervical [[curettage]], [[hysteroscopy]], [[cystoscopy]], [[proctoscopy]], intravenous [[urography]], and [[X-ray]] examination of the lungs and skeleton, and cervical [[conization]].
Cervical cancer is staged by the [[International Federation of Gynecology and Obstetrics]] (FIGO) staging system, which is based on clinical examination, rather than surgical findings. It allows only the following diagnostic tests to be used in determining the stage: palpation, inspection, [[colposcopy]], endocervical [[curettage]], [[hysteroscopy]], [[cystoscopy]], [[proctoscopy]], intravenous [[urography]], and [[X-ray]] examination of the lungs and skeleton, and cervical [[conization]].
 
==Staging==
==TNM staging==
===TNM Staging===
The [[TNM]] staging system for cervical cancer is analogous to the FIGO stage.
The [[TNM]] staging system for cervical cancer is analogous to the FIGO stage.


===Stage 0===
====Stage 0====
Full-thickness involvement of the [[epithelium]] without invasion into the [[Stroma (animal tissue)|stroma]] ([[carcinoma in situ]]).
Full-thickness involvement of the [[epithelium]] without invasion into the [[Stroma (animal tissue)|stroma]] ([[carcinoma in situ]]).


===Stage I===
====Stage I====
Limited to the uterus.
Limited to the uterus.


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*IB2 - visible lesion more than 4 cm
*IB2 - visible lesion more than 4 cm


===Stage II - invades beyond cervix===
====Stage II - Invades Beyond Cervix===
*IIA - without parametrial invasion, but involve upper 2/3 of vagina
*IIA - without parametrial invasion, but involve upper 2/3 of vagina
*IIB - with parametrial invasion
*IIB - with parametrial invasion


===Stage III - extends to pelvic wall or lower third of the vagina===
====Stage III - Extends to Pelvic Wall or Lower third of the Vagina====
*IIIA - involves lower third of vagina
*IIIA - involves lower third of vagina
*IIIB - extends to pelvic wall and/or causes [[hydronephrosis]] or non-functioning kidney
*IIIB - extends to pelvic wall and/or causes [[hydronephrosis]] or non-functioning kidney


===Stage IV===
====Stage IV====
*IVA - invades mucosa of bladder or rectum and/or extends beyond true pelvis
*IVA - invades mucosa of bladder or rectum and/or extends beyond true pelvis
*IVB - distant [[metastasis]]
*IVB - distant [[metastasis]]


==Comparison Between TNM Staging and FIGO Staging==
==Comparison Between TNM Staging and FIGO Staging===
Note that the FIGO stage does not incorporate [[lymph node]] involvement in contrast to the [[TNM]] staging for most other cancers.
N=ote that the FIGO stage does not incorporate [[lymph node]] involvement in contrast to the [[TNM]] staging for most other cancers.


For cases treated surgically, information obtained from the pathologist can be used in assigning a separate pathologic stage but is not to replace the original clinical stage.
For cases treated surgically, information obtained from the pathologist can be used in assigning a separate pathologic stage but is not to replace the original clinical stage.

Revision as of 20:17, 9 April 2013

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Cervical cancer is staged by the International Federation of Gynecology and Obstetrics (FIGO) staging system, which is based on clinical examination, rather than surgical findings. It allows only the following diagnostic tests to be used in determining the stage: palpation, inspection, colposcopy, endocervical curettage, hysteroscopy, cystoscopy, proctoscopy, intravenous urography, and X-ray examination of the lungs and skeleton, and cervical conization.

Staging

TNM Staging

The TNM staging system for cervical cancer is analogous to the FIGO stage.

Stage 0

Full-thickness involvement of the epithelium without invasion into the stroma (carcinoma in situ).

Stage I

Limited to the uterus.

IA - diagnosed only by microscopy; no visible lesions

  • IA1 - stromal invasion less than 3 mm in depth and 7 mm or less in horizontal spread
  • IA2 - stromal invasion between 3 and 5 mm with horizontal spread of 7 mm or less

IB - visible lesion or a microscopic lesion with more than 5 mm of depth or horizontal spread of more than 7 mm

  • IB1 - visible lesion 4 cm or less in greatest dimension
  • IB2 - visible lesion more than 4 cm

=Stage II - Invades Beyond Cervix

  • IIA - without parametrial invasion, but involve upper 2/3 of vagina
  • IIB - with parametrial invasion

Stage III - Extends to Pelvic Wall or Lower third of the Vagina

  • IIIA - involves lower third of vagina
  • IIIB - extends to pelvic wall and/or causes hydronephrosis or non-functioning kidney

Stage IV

  • IVA - invades mucosa of bladder or rectum and/or extends beyond true pelvis
  • IVB - distant metastasis

Comparison Between TNM Staging and FIGO Staging=

N=ote that the FIGO stage does not incorporate lymph node involvement in contrast to the TNM staging for most other cancers.

For cases treated surgically, information obtained from the pathologist can be used in assigning a separate pathologic stage but is not to replace the original clinical stage.

For premalignant dysplastic changes, the CIN (cervical intraepithelial neoplasia) grading is used.

References

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