Difference between revisions of "Uterine cervix"

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Uterine cervix (view source)

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===Surgical specimens===
===Surgical specimens===
# [[Loop electrosurgical excision procedure]] (LEEP).
# [[Loop electrosurgical excision procedure]] (LEEP).
#* [[AKA]] large loop excision of the transformation zone (LLETZ).<ref>{{Cite journal  | last1 = Kenwright | first1 = D. | last2 = Braam | first2 = G. | last3 = Maharaj | first3 = D. | last4 = Langdana | first4 = F. | title = Multiple levels on LLETZ biopsies do not contribute to patient management. | journal = Pathology | volume = 44 | issue = 1 | pages = 7-10 | month = Jan | year = 2012 | doi = 10.1097/PAT.0b013e32834d7b5d | PMID = 22173237 }}</ref><ref>URL: [http://www.webmd.com/cancer/cervical-cancer/loop-electrosurgical-excision-procedure-leep-for-abnormal-cervical-cell-changes http://www.webmd.com/cancer/cervical-cancer/loop-electrosurgical-excision-procedure-leep-for-abnormal-cervical-cell-changes]. Accessed on: 20 March 2014.</ref>
# Radical trachelectomy - removal of the uterine cervix and parametria, preserves fertility.
# Radical trachelectomy - removal of the uterine cervix and parametria, preserves fertility.
# Radical hysterectomy - advanced cervical carcinoma (Stage IA2 and Stage IB1), recurrent carcinoma.<ref name=pmid20871657>{{Cite journal  | last1 = Ware | first1 = RA. | last2 = van Nagell | first2 = JR. | title = Radical hysterectomy with pelvic lymphadenectomy: indications, technique, and complications. | journal = Obstet Gynecol Int | volume = 2010 | issue =  | pages =  | month =  | year = 2010 | doi = 10.1155/2010/587610 | PMID = 20871657 }}</ref>
# Radical hysterectomy - advanced cervical carcinoma (Stage IA2 and Stage IB1), recurrent carcinoma.<ref name=pmid20871657>{{Cite journal  | last1 = Ware | first1 = RA. | last2 = van Nagell | first2 = JR. | title = Radical hysterectomy with pelvic lymphadenectomy: indications, technique, and complications. | journal = Obstet Gynecol Int | volume = 2010 | issue =  | pages =  | month =  | year = 2010 | doi = 10.1155/2010/587610 | PMID = 20871657 }}</ref>
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#Identify possible squamous lesions.
#Identify possible squamous lesions.
#Identify possible endocervical lesions.
#Identify possible endocervical lesions.
==Benign entities of the cervix==
The cervix is ''MANTLED'':
* Mullerian papilloma/Mesonephric hyperplasia/[[Microglandular hyperplasia]].
* [[Arias Stella reaction]].
* [[Nabothian cyst]].
* [[Tunnel cluster]]/Tuboendometrioid metaplasia.
* Lobular endocervical glandular hyperplasia.
* [[Endocervical polyp]]/Endocervicosis/[[Endometriosis]]/Ectopic prostatic tissue.
* Diffuse laminar endocervical hyperplasia.


=Benign=
=Benign=
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==Squamous metaplasia of the uterine cervix==
==Squamous metaplasia of the uterine cervix==
*Abbreviated ''SMC''.
*Abbreviated ''SMC''.
===General===
{{Main|Squamous metaplasia of the uterine cervix}}
*Benign process: columnar cells -> squamoid cells.
**Biologic response to irritation and/or inflammation.
 
===Gross===
*[[Acetowhite epithelium|Acetowhite lesion]].<ref name=pmid19256708>{{Cite journal  | last1 = Li | first1 = W. | last2 = Venkataraman | first2 = S. | last3 = Gustafsson | first3 = U. | last4 = Oyama | first4 = JC. | last5 = Ferris | first5 = DG. | last6 = Lieberman | first6 = RW. | title = Using acetowhite opacity index for detecting cervical intraepithelial neoplasia. | journal = J Biomed Opt | volume = 14 | issue = 1 | pages = 014020 | month =  | year =  | doi = 10.1117/1.3079810 | PMID = 19256708 }}</ref>
 
===Microscopic===
Features:
* Uniform cell spacing - no crowding - '''key feature'''.
* Nuclei are uniform size and round.
** [[Nucleoli]] present.
*Distinct cell borders
* +/-Intercellular bridges (due to edema) - common.
* Adjacent/closely associated with columnar epithelium.
** Columnar epithelium superficial in immature metaplasia.
 
Negatives:
* No mitoses (think cancer/CIN if you see 'em).
* Usually no hyperchromatism (think cancer/CIN if you see it).
 
Notes:
*NC ratio high - possible to confuse with CIN III.
*May have goblet cells - uncommon.<ref name=pmid21077478>{{Cite journal  | last1 = Sivridis | first1 = E. | last2 = Karpathiou | first2 = G. | last3 = Malamou-Mitsi | first3 = V. | last4 = Giatromanolaki | first4 = A. | title = Intestinal-type metaplasia in the original squamous epithelium of the cervix. | journal = Eur J Gynaecol Oncol | volume = 31 | issue = 3 | pages = 319-22 | month =  | year = 2010 | doi =  | PMID = 21077478 }}</ref>
 
DDx:
*[[CIN II]] - esp. for immature squamous metaplasia.
*[[CIN III]].
*[[Squamous cell carcinoma of the uterine cervix]].
 
Images:
*[http://www.sciencephoto.com/media/294722/view Squamous metaplasia - cervix (sciencephoto.com)].
*[http://commons.wikimedia.org/wiki/File:Bronchial_squamous_metaplasia.jpg Squamous metaplasia - bronchus (WC)].
*[http://nih.techriver.net/patientImages%5C6676.jpg Squamous metaplasia - cytology (techriver.net)].
*[http://www.eurocytology.eu/static/eurocytology/eng/cervical/mod1img4b.html Immature squamous metaplasia (eurocytology.eu)].<ref>URL: [http://www.eurocytology.eu/static/eurocytology/eng/cervical/LP1ContentAcontD.html http://www.eurocytology.eu/static/eurocytology/eng/cervical/LP1ContentAcontD.html]. Accessed on: 9 October 2013.</ref>
 
===IHC===
*p16 weak-to-moderate patchy +ve -- checkerboard-like; not full thickness.
**Strong diffuse full thickness positivity in HSIL and SCC.
*Ki-67 - low proliferative rate.
 
===Sign out===
====ECC====
<pre>
UTERINE ENDOCERVIX, CURETTAGE:
- SQUAMOUS METAPLASTIC EPITHELIUM.
- VERY SCANT STRIPPED ENDOCERVICAL EPITHELIUM.
</pre>
 
====Cervical biopsy====
<pre>
UTERINE CERVIX, BIOPSY:
- SQUAMOUS METAPLASTIC EPITHELIUM.
- SCANT BENIGN ENDOCERVICAL GLANDS.
</pre>
 
<pre>
UTERINE CERVIX, BIOPSY:
- SQUAMOUS METAPLASTIC EPITHELIUM.
- SCANT BENIGN ENDOCERVICAL GLANDS.
- NEGATIVE FOR DYSPLASIA AND NEGATIVE FOR MALIGNANCY.
</pre>
 
====Micro====
The sections show stratified squamous epithelium. The cells are equally spaced and spaces are seen between the cells (edema). 
 
The nuclei are not significantly enlarged (<3x resting lymphocyte diameter). No nuclear halos are apparent.  The nuclear membranes are regular.  Mild inflammation is present. Nucleoli are present focally.
 
No endocervical cells are identified.


==Reactive squamous epithelium of the uterine cervix==
==Reactive squamous epithelium of the uterine cervix==
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===IHC===
===IHC===
Features:<ref name=pmid8803599>{{Cite journal  | last1 = Marques | first1 = T. | last2 = Andrade | first2 = LA. | last3 = Vassallo | first3 = J. | title = Endocervical tubal metaplasia and adenocarcinoma in situ: role of immunohistochemistry for carcinoembryonic antigen and vimentin in differential diagnosis. | journal = Histopathology | volume = 28 | issue = 6 | pages = 549-50 | month = Jun | year = 1996 | doi =  | PMID = 8803599 }}</ref>
Features:<ref name=pmid8803599>{{Cite journal  | last1 = Marques | first1 = T. | last2 = Andrade | first2 = LA. | last3 = Vassallo | first3 = J. | title = Endocervical tubal metaplasia and adenocarcinoma in situ: role of immunohistochemistry for carcinoembryonic antigen and vimentin in differential diagnosis. | journal = Histopathology | volume = 28 | issue = 6 | pages = 549-50 | month = Jun | year = 1996 | doi =  | PMID = 8803599 }}</ref>
*Vimentin +ve.
*[[Vimentin]] +ve.
*CEA -ve/+ve.
*CEA -ve/+ve.
*p16 -ve.{{fact}}
*p16 -ve.{{fact}}
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*Benign endocervical cells.
*Benign endocervical cells.


Images:
====Images====
<gallery>
Image: Endocervical epithelium with multinucleation -- high mag.jpg | Multinucleated endocervix - high mag.
Image: Endocervical epithelium with multinucleation -- very high mag.jpg | Multinucleated endocervix - very high mag.
Image: Endocervical epithelium with multinucleation -- extremely high mag.jpg | Multinucleated endocervix - extremely high mag.
</gallery>
www:
*[http://www.surgpath4u.com/caseviewer.php?case_no=229 Reactive endocervical cells (surgpath4u.com)].
*[http://www.surgpath4u.com/caseviewer.php?case_no=229 Reactive endocervical cells (surgpath4u.com)].


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:''For the cytology see [[Gynecologic cytopathology#Endocervical adenocarcinoma in situ]]''
:''For the cytology see [[Gynecologic cytopathology#Endocervical adenocarcinoma in situ]]''
*[[AKA]] ''adenocarcinoma in situ'', abbreviated ''AIS''.
*[[AKA]] ''adenocarcinoma in situ'', abbreviated ''AIS''.
===General===
{{Main|Endocervical adenocarcinoma in situ}}
*Usually due to [[HPV]].
*May be found together with squamous neoplasias of the cervix.
*AIS of the cervix is much less common than squamous dysplasia of the cervix/SCC of the cervix.
*Generally, definitely diagnosed with an ''endocervical curettage'' (ECC).
 
===Gross===
*Not apparent at colposcopy.
 
===Microscopic===
Features:<ref name=pmid10757337>{{Cite journal  | last1 = Zaino | first1 = RJ. | title = Glandular lesions of the uterine cervix. | journal = Mod Pathol | volume = 13 | issue = 3 | pages = 261-74 | month = Mar | year = 2000 | doi = 10.1038/modpathol.3880047 | PMID = 10757337 | url = http://www.nature.com/modpathol/journal/v13/n3/full/3880047a.html }}</ref>
#Nuclear changes - '''key feature''':
#*Variable nuclear stratification.
#**Nuclear crowding/pseudostratification.
#*Nuclear enlargement.
#**Often cigar-shaped nuclei.
#*Coarse chromatin.
#*Small nucleolus or [[nucleoli]].
#+/-Mitoses.
#+/-Reduced cytoplasmic mucin.
#Preservation of glandular architecture.
#*Normal gland spacing - lack of complexity ("lobular pattern").
#*Normal gland depth (subjective).
 
DDx:
*[[Tubal metaplasia of the uterine cervix|Tubal metaplasia]].
*[[Arias-Stella reaction]].
*[[Endometriosis]].
*Lower uterine segment epithelium<ref name=Ref_GP167>{{Ref GP|167}}</ref> - esp. [[proliferative phase endometrium]] - mitoses rare, NC ratio normal, stroma different.
*[[Endocervical adenocarcinoma]] - often has paradoxical maturation... paler cytoplasm & nuclei than adjacent AIS.
*[[metastasis|Metastatic]] adenocarcinoma.
*[[Proliferative phase endometrium]] - endometrial type stroma, cytoplasm not pale staining, no nuclear atypia (smooth nuclear contour, stratified).
 
Images:
*[http://www.flickriver.com/photos/euthman/tags/cervix/ Endocervical AIS adjacent to normal (flickriver.com/euthman)].
*[http://nih.techriver.net/view.php?patientId=99 Endocervical adenocarcinoma in situ (techriver.net)].
*[http://womenshealthsection.com/content/gynpc/gynpc006d.jpg Endocervical adenocarcinoma in situ (womenshealthsection.com)].<ref>URL: [http://www.womenshealthsection.com/content/print.php3?title=gynpc006&cat=60&lng=english http://www.womenshealthsection.com/content/print.php3?title=gynpc006&cat=60&lng=english]. Accessed on: 20 March 2013.</ref>
*[http://nih.techriver.net/view.php?patientId=67 Endocervical adenocarcinoma in situ - cytology (techriver.net)].
 
===IHC===
*p16 +ve.
*CEA +ve.
*Vimentin -ve.


=Cancer=
=Cancer=
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{{Main|Squamous cell carcinoma}}
{{Main|Squamous cell carcinoma}}
*[[AKA]] ''cervical squamous cell carcinoma''.
*[[AKA]] ''cervical squamous cell carcinoma''.
===General===
{{Main|Squamous cell carcinoma of the uterine cervix}}
*Most common type of cervical cancer.
 
Risk factors:
*Low socioeconomic status.
*Smoking.
*Early first intercourse.
*High risk partners.
*[[Human papillomavirus]] (HPV) infection, esp. "high risk HPV".
**HPV 16 closely assoc. with SCC.<ref name=pmid15551313>{{Cite journal  | last1 = De Boer | first1 = MA. | last2 = Peters | first2 = LA. | last3 = Aziz | first3 = MF. | last4 = Siregar | first4 = B. | last5 = Cornain | first5 = S. | last6 = Vrede | first6 = MA. | last7 = Jordanova | first7 = ES. | last8 = Fleuren | first8 = GJ. | title = Human papillomavirus type 18 variants: histopathology and E6/E7 polymorphisms in three countries. | journal = Int J Cancer | volume = 114 | issue = 3 | pages = 422-5 | month = Apr | year = 2005 | doi = 10.1002/ijc.20727 | PMID = 15551313 }}</ref>
 
===Microscopic===
Features:
*Squamous differentiation.
**+/-Intracellular bridges.
**Scant-to-moderate cytoplasm.
*Penetration of basement membrane.
**May be challenging to determine.
*Nuclear atypia.
 
SCC of the cervix versus CIN III:
Invasive cancer look for:
*Eosinophilia.
*Extra large nuclei, i.e. nuclei 5x normal size.
*Stromal inflammation (lymphocytes, plasma cells).
*Long rete ridges.
*Numerous beeds/blobs of epithelial cells that seem unlikely to be rete ridges.
*[[Desmoplastic stroma]] - increased cellularity, spindle cell morphology.
 
DDx:
* [[Squamous metaplasia of the uterine cervix]] - if you can trace the squamous cells from a gland to the surface it is less likely to be invasive cancer.<ref>[http://www.nature.com/modpathol/journal/v15/n3/pdf/3880520a.pdf http://www.nature.com/modpathol/journal/v15/n3/pdf/3880520a.pdf]</ref>
*[[CIN III]] +/- endocervical gland involvement.
 
Images:
*[http://sunnybrook.ca/uploads/cx_microinv_scc_S10-5249_6.jpg Microinvasive cervical SCC - low mag. (sunnybrook.ca)].<ref name=sb_cx_scc/>
*[http://sunnybrook.ca/uploads/cx_microinv_scc_S10-5249_7.jpg Microinvasive cervical SCC - high mag. (sunnybrook.ca)].<ref name=sb_cx_scc>URL: [http://sunnybrook.ca/content/?page=dept-labs-apath-gynpath-imgat-cvx-mal-microiscc http://sunnybrook.ca/content/?page=dept-labs-apath-gynpath-imgat-cvx-mal-microiscc]. Accessed on: 2 May 2013.</ref>
*[http://missinglink.ucsf.edu/lm/IDS_107_Cervix_Ovary_Uterus/ASSETS/Slide329SCClp_small.JPG Cervical SCC - low mag. (ucsf.edu)].<ref name=uscf>URL: [http://missinglink.ucsf.edu/lm/IDS_107_Cervix_Ovary_Uterus/homepage.htm http://missinglink.ucsf.edu/lm/IDS_107_Cervix_Ovary_Uterus/homepage.htm]. Accessed on: 2 May 2013.</ref>
*[http://missinglink.ucsf.edu/lm/IDS_107_Cervix_Ovary_Uterus/ASSETS/Slide329SCChp.JPG Cervical SCC - high mag. (uscf.edu)].
 
====Grading====
Divided into:<ref>{{Ref PBoD|1077}}</ref>
#Well-differentiated (keratinizing).
#Moderately differentiated (nonkeratinizing).
#Poorly differentiated.
 
====Depth measurement====
*Basement membrane (where it invades) to deepest point.
 
Note:
*Stage Ib - clinical diagnosis.
**Definition of stage Ib: clinically visible.
=====FIGO=====
Microinvasive SCC as per FIGO:
*Depth < 5 mm.
*Width < 7 mm.
*+/-Vascular invasion.
 
=====SGO=====
Microinvasive SCC as per The Society of Gynecologic Oncologists (SGO):
*<= 3 mm.
*Negative for [[vascular invasion]].
 
Note:
*The SGO criteria the prefered by North American gynecologists.
 
===IHC===
*Factor VIII - to look for LVI.
 
===Sign out===
Early invasive SCC - things to report:
*Depth of invasion.
*Length of tumour.
*Number of blocks with tumour.
*LVI.
*Margins.
 
<pre>
UTERINE CERVIX, BIOPSY:
- FRAGMENTS OF INVASIVE SQUAMOUS CELL CARCINOMA.
-- DEPTH OF INVASION AND LENTH OF TUMOUR CANNOT BE ASSESSED.
-- LYMPHOVASCULAR INVASION NOT APPARENT.
</pre>


==Adenocarcinoma of the uterine cervix==
==Adenocarcinoma of the uterine cervix==
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==Stratified mucin-producing intraepithelial lesions of the cervix==
==Stratified mucin-producing intraepithelial lesions of the cervix==
*Abbreviated ''SMILE'' ('''S'''tratified '''M'''ucin-producing '''I'''ntraepithelial '''LE'''sion).
*Abbreviated ''SMILE'' ('''S'''tratified '''M'''ucin-producing '''I'''ntraepithelial '''LE'''sion).
===General===
{{Main|Stratified mucin-producing intraepithelial lesion of the cervix}}
*Rare.
*Often accompanied by [[cervical intraepithelial neoplasia]] and [[adenocarcinoma in situ]].<ref name=pmid11023104/>
 
===Microscopic===
Features:<ref name=pmid11023104>{{Cite journal  | last1 = Park | first1 = JJ. | last2 = Sun | first2 = D. | last3 = Quade | first3 = BJ. | last4 = Flynn | first4 = C. | last5 = Sheets | first5 = EE. | last6 = Yang | first6 = A. | last7 = McKeon | first7 = F. | last8 = Crum | first8 = CP. | title = Stratified mucin-producing intraepithelial lesions of the cervix: adenosquamous or columnar cell neoplasia? | journal = Am J Surg Pathol | volume = 24 | issue = 10 | pages = 1414-9 | month = Oct | year = 2000 | doi =  | PMID = 11023104 }}</ref>
*Stratified epithelium with:
**Nuclear atypia.
**Cytoplasmic clearing or vacuoles in lesions - through-out.
 
DDx:
*[[HSIL]].
**Mucin may be present superficially.<ref name=pmid11023104/>
 
Images:
*[http://sunnybrook.ca/uploads/cx_SMILE_S10-1021_vd_1.jpg SMILE (sunnybrook.ca)].<ref>URL: [http://sunnybrook.ca/content/?page=Dept_LabS_APath_GynPath_ImgAt_Cvx_mal_ais_smile http://sunnybrook.ca/content/?page=Dept_LabS_APath_GynPath_ImgAt_Cvx_mal_ais_smile]. Accessed on: 30 March 2012.</ref>
*[http://sunnybrook.ca/uploads/cx_SMILE_S10-1021_vd_2.jpg SMILE (sunnybrook.ca)].
 
===IHC===
Features:
*Ki-67 high.
*Keratin 14 -ve.
*p63 +ve/-ve -- only basal if positive.


=Uncommon types of cervical cancer=
=Uncommon types of cervical cancer=
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*Like other [[serous carcinoma]]s.
*Like other [[serous carcinoma]]s.


==Adenosquamous carcinoma==
==Adenosquamous carcinoma of the uterine cervix==
===General===
{{Main|Adenosquamous carcinoma of the uterine cervix}}
*Uncomon.
 
Note:
*[[Glassy cell carcinoma]] is considered to be a subtype of adenosquamous carcinoma.<ref>{{Cite journal  | last1 = Kosińiska-Kaczyńska | first1 = K. | last2 = Mazanowska | first2 = N. | last3 = Bomba-Opoń | first3 = D. | last4 = Horosz | first4 = E. | last5 = Marczewska | first5 = M. | last6 = Wielgoś | first6 = M. | title = Glassy cell carcinoma of the cervix--a case report with review of the literature. | journal = Ginekol Pol | volume = 82 | issue = 12 | pages = 936-9 | month = Dec | year = 2011 | doi =  | PMID = 22384631 }}</ref>
 
===Microscopic===
Features:
*Morphologic features of both squamous carcinoma and adenocarcinoma:
**Adenocarcinoma: gland forming ''or'' mucin vacuoles.
**[[Squamous carcinoma]]: abundant eosinophilic cytoplasm, central nucleus.
 
====Images====
<gallery>
Image:Adenosquamous_carcinoma_intermed_mag.jpg | Adenosquamous carcinoma - intermed. mag. (WC)
Image:Adenosquamous_carcinoma_high_mag.jpg | Adenosquamous carcinoma - high mag. (WC)
</gallery>


==Clear cell carcinoma of the uterine cervix==
==Clear cell carcinoma of the uterine cervix==
*[[AKA]] ''cervical clear cell carcinoma''.
{{Main|Clear cell carcinoma of the uterine cervix}}
===General===
*Associated with ''diethylstilbestrol'' exposure ''in utero''.<ref name=pmid19857300>{{Cite journal  | last1 = van Dijck | first1 = JA. | last2 = Doorduijn | first2 = Y. | last3 = Bulten | first3 = JH. | last4 = Verloop | first4 = J. | last5 = Massuger | first5 = LF. | last6 = Kiemeney | first6 = BA. | title = [Vaginal and cervical cancer due to diethylstilbestrol (DES); end epidemic] | journal = Ned Tijdschr Geneeskd | volume = 153 | issue =  | pages = A366 | month =  | year = 2009 | doi =  | PMID = 19857300 }}</ref>
*Less common in the cervix - when compared to other gynecologic sites.<ref name=Ref_WMSP442>{{Ref WMSP|442}}</ref>
**More common in the [[clear cell carcinoma of the endometrium|endometrium]].<ref>{{Cite journal  | last1 = Babić | first1 = D. | last2 = Kos | first2 = M. | last3 = Jukić | first3 = S. | last4 = Ilić | first4 = J. | last5 = Vecek | first5 = N. | last6 = Kos | first6 = M. | last7 = Mahnik | first7 = N. | title = [Clear cell carcinoma of the female genital tract]. | journal = Jugosl Ginekol Perinatol | volume = 31 | issue = 3-4 | pages = 102-4 | month =  | year =  | doi =  | PMID = 1749271 }}</ref>
 
Note:
*[[HPV]] does '''not''' appear to be important in the oncogenesis;<ref name=pmid21620450>{{Cite journal  | last1 = Kocken | first1 = M. | last2 = Baalbergen | first2 = A. | last3 = Snijders | first3 = PJ. | last4 = Bulten | first4 = J. | last5 = Quint | first5 = WG. | last6 = Smedts | first6 = F. | last7 = Meijer | first7 = CJ. | last8 = Helmerhorst | first8 = TJ. | title = High-risk human papillomavirus seems not involved in DES-related and of limited importance in nonDES related clear-cell carcinoma of the cervix. | journal = Gynecol Oncol | volume = 122 | issue = 2 | pages = 297-302 | month = Aug | year = 2011 | doi = 10.1016/j.ygyno.2011.05.002 | PMID = 21620450 }}</ref> however, this is not completely settled.<ref name=pmid22885379/>
 
===Microscopic===
Features:<ref name=pmid22885379/>
*Like [[clear cell carcinoma]] elsewhere:
**Clear cytoplasm - '''key feature'''.
***May be absent!
**Cells have large free/luminal surface area (hobnailing pattern) and small non-free surface.
**Moderate-to-severe [[nuclear pleomorphism]].
**Tubular and/or cystic morphology.
***May be (simple) papillary and/or solid.
*Adenosis - typically adjacent.
 
DDx:
*[[Clear cell carcinoma of the endometrium]] - diagnosis based on clinico-radiologic correlation (IHC & histology not useful).<ref name=pmid22885379>{{Cite journal  | last1 = Offman | first1 = SL. | last2 = Longacre | first2 = TA. | title = Clear cell carcinoma of the female genital tract (not everything is as clear as it seems). | journal = Adv Anat Pathol | volume = 19 | issue = 5 | pages = 296-312 | month = Sep | year = 2012 | doi = 10.1097/PAP.0b013e31826663b1 | PMID = 22885379 }}</ref>
*[[Serous carcinoma of the endometrium]].
*[[Serous carcinoma of the uterine cervix]].
 
===IHC===
*Essentially considered to be like ''[[endometrial clear cell carcinoma]]''.<ref name=pmid22885379/>


==Small cell carcinoma of the cervix==
==Small cell carcinoma of the cervix==
Line 775: Line 537:


==Glassy cell carcinoma==
==Glassy cell carcinoma==
===General===
{{Main|Glassy cell carcinoma}}
*Rare.
*Rapid growth, poor prognosis.<ref name=pmid19527406>{{Cite journal  | last1 = Nasu | first1 = K. | last2 = Takai | first2 = N. | last3 = Narahara | first3 = H. | title = Multimodal treatment for glassy cell carcinoma of the uterine cervix. | journal = J Obstet Gynaecol Res | volume = 35 | issue = 3 | pages = 584-7 | month = Jun | year = 2009 | doi = 10.1111/j.1447-0756.2008.00968.x | PMID = 19527406 }}</ref>
*Considered a subtype of [[adenosquamous carcinoma]].<ref name=pmid22384631>{{Cite journal  | last1 = Kosińiska-Kaczyńska | first1 = K. | last2 = Mazanowska | first2 = N. | last3 = Bomba-Opoń | first3 = D. | last4 = Horosz | first4 = E. | last5 = Marczewska | first5 = M. | last6 = Wielgoś | first6 = M. | title = Glassy cell carcinoma of the cervix--a case report with review of the literature. | journal = Ginekol Pol | volume = 82 | issue = 12 | pages = 936-9 | month = Dec | year = 2011 | doi =  | PMID = 22384631 }}</ref>
 
===Microscopic===
Features:<ref name=pmid11393075>{{Cite journal  | last1 = Reis-Filho | first1 = JS. | last2 = Fillus Neto | first2 = J. | last3 = Schonemann | first3 = E. | last4 = Sanderson | first4 = A. | last5 = Schmitt | first5 = FC. | title = Glassy cell carcinoma of the uterine cervix. Report of a case with cytohistologic and immunohistochemical study. | journal = Acta Cytol | volume = 45 | issue = 3 | pages = 407-10 | month =  | year =  | doi =  | PMID = 11393075 }}</ref>
*Epithelioid cells in sheets or cords.
*Round/oval nucleus.
*One or more prominent nucleoli.
*Abundant finely vacuolated eosinophilic to amphophilic cytoplasm.
*Distinct cell borders.
*Inflammation - esp. eosinophils.<ref>URL: [http://www.webpathology.com/image.asp?n=2&Case=561 http://www.webpathology.com/image.asp?n=2&Case=561]. Accessed on: 4 September 2011.</ref>
 
DDx:
*[[Adenosquamous carcinoma of the uterine cervix]].
*[[Squamous carcinoma of the uterine cervix]].
 
====Images====
<gallery>
Image:Glassy_cell_carcinoma_-_low_mag.jpg | GCC - low mag. (WC)
Image:Glassy_cell_carcinoma_-_intermed_mag.jpg | GCC - intermed. mag. (WC)
Image:Glassy_cell_carcinoma_-_high_mag.jpg | GCC - high mag. (WC)
Image:Glassy_cell_carcinoma_-_very_high_mag.jpg | GCC - very high mag. (WC)
</gallery>
www:
*[http://www.webpathology.com/image.asp?n=1&Case=561 GCC - low mag. (webpathology.com)].
*[http://www.webpathology.com/image.asp?n=2&Case=561 GCC - high mag. (webpathology.com)].
*[http://path.upmc.edu/cases/case100/dx.html GCC - several images (upmc.edu)].
 
===Stains===
*[[PAS stain]] - marks plasma membrane.<ref name=pmid15318016>{{Cite journal  | last1 = Deshpande | first1 = AH. | last2 = Kotwal | first2 = MN. | last3 = Bobhate | first3 = SK. | title = Glassy cell carcinoma of the uterine cervix a rare histology. Report of three cases with a review of the literature. | journal = Indian J Cancer | volume = 41 | issue = 2 | pages = 92-5 | month =  | year =  | doi =  | PMID = 15318016 | URL = http://www.indianjcancer.com/text.asp?2004/41/2/92/12353}}</ref>


==Villoglandular adenocarcinoma of the cervix==
==Villoglandular adenocarcinoma of the cervix==
Line 868: Line 599:


==Mesonephric adenocarcinoma==
==Mesonephric adenocarcinoma==
===General===
{{Main|Mesonephric adenocarcinoma}}
*Arises from the [[mesonephric duct remnants]].
 
===Microscopic===
Features:<ref name=Ref_WMSP442>{{Ref WMSP|442}}</ref>
*Nuclear atypia - '''key feature'''.
**Nuclear crowding.
*Variable architecture:
**Tubular, papillary, solid, retiform (net-like<ref>URL: [http://www.thefreedictionary.com/retiform http://www.thefreedictionary.com/retiform]. Accessed on: 25 August 2012.</ref>).
 
DDx:
*[[Mesonephric duct remnants]].
*[[Cervical adenocarcinoma]].
*[[Colorectal adenocarcinoma]].
*Endometrioid adenocarcinoma.
 
===IHC===
Features:<ref name=Ref_WMSP442>{{Ref WMSP|442}}</ref>
*CK7 +ve.
*CD10 +ve.
 
Others:<ref name=Ref_WMSP442>{{Ref WMSP|442}}</ref>
*CK20 -ve.
*ER -ve.
*PR -ve.
*CEA -ve.


==Minimal deviation adenocarcinoma of the uterine cervix==
==Minimal deviation adenocarcinoma of the uterine cervix==
*[[AKA]] ''adenoma malignum''.
*[[AKA]] ''adenoma malignum''.
*[[AKA]] ''minimal deviation adenocarcinoma'', abbreviated ''MDA''.
*[[AKA]] ''minimal deviation adenocarcinoma'', abbreviated ''MDA''.
===General===
{{Main|Minimal deviation adenocarcinoma of the uterine cervix}}
*Rare and difficult diagnosis.<ref name=pmid12828609>{{Cite journal  | last1 = Tsuda | first1 = H. | last2 = Mikami | first2 = Y. | last3 = Kaku | first3 = T. | last4 = Akiyama | first4 = F. | last5 = Hasegawa | first5 = T. | last6 = Okada | first6 = S. | last7 = Hayashi | first7 = I. | last8 = Kasamatsu | first8 = T. | title = Interobserver variation in the diagnosis of adenoma malignum (minimal deviation adenocarcinoma) of the uterine cervix. | journal = Pathol Int | volume = 53 | issue = 7 | pages = 440-9 | month = Jul | year = 2003 | doi =  | PMID = 12828609 }}</ref>
**Requires a deep sampling;<ref name=pmid22385609>{{Cite journal  | last1 = Lim | first1 = KT. | last2 = Lee | first2 = IH. | last3 = Kim | first3 = TJ. | last4 = Kwon | first4 = YS. | last5 = Jeong | first5 = JG. | last6 = Shin | first6 = SJ. | title = Adenoma malignum of the uterine cervix: Clinicopathologic analysis of 18 cases. | journal = Kaohsiung J Med Sci | volume = 28 | issue = 3 | pages = 161-4 | month = Mar | year = 2012 | doi = 10.1016/j.kjms.2011.10.009 | PMID = 22385609 }}</ref> thus,  usually diagnosed on cone biopsy or hysterectomy.
*Associated with [[Peutz-Jeghers syndrome]].<ref name=pmid21503748>{{Cite journal  | last1 = Riegert-Johnson | first1 = D. | last2 = Roberts | first2 = M. | last3 = Gleeson | first3 = FC. | last4 = Krishna | first4 = M. | last5 = Boardman | first5 = L. | title = Case studies in the diagnosis and management of Peutz-Jeghers syndrome. | journal = Fam Cancer | volume = 10 | issue = 3 | pages = 463-8 | month = Sep | year = 2011 | doi = 10.1007/s10689-011-9438-x | PMID = 21503748 }}</ref><ref name=pmid22878090>{{Cite journal  | last1 = Ito | first1 = M. | last2 = Minamiguchi | first2 = S. | last3 = Mikami | first3 = Y. | last4 = Ueda | first4 = Y. | last5 = Sekiyama | first5 = K. | last6 = Yamamoto | first6 = T. | last7 = Takakura | first7 = K. | title = Peutz-Jeghers syndrome-associated atypical mucinous proliferation of the uterine cervix: A case of minimal deviation adenocarcinoma ('adenoma malignum') in situ. | journal = Pathol Res Pract | volume =  | issue =  | pages =  | month = Aug | year = 2012 | doi = 10.1016/j.prp.2012.06.008 | PMID = 22878090 }}</ref>
*Poor prognosis.<ref name=pmid2764221>{{Cite journal  | last1 = Gilks | first1 = CB. | last2 = Young | first2 = RH. | last3 = Aguirre | first3 = P. | last4 = DeLellis | first4 = RA. | last5 = Scully | first5 = RE. | title = Adenoma malignum (minimal deviation adenocarcinoma) of the uterine cervix. A clinicopathological and immunohistochemical analysis of 26 cases. | journal = Am J Surg Pathol | volume = 13 | issue = 9 | pages = 717-29 | month = Sep | year = 1989 | doi =  | PMID = 2764221 }}</ref>
 
===Microscopic===
Features:<ref name=Ref_WMSP441-2>{{Ref WMSP|441-2}}</ref>
*Deep infiltrating glands - '''key feature'''.
**Desmoplastic stroma - may be subtle.
**Perivascular and/or perineural location.
*Minimal nuclear atypia.
*Abnormal gland morphology<ref name=pmid2764221/> / loss of lobular (gland) architecture. †
 
Note:
*† '''Not''' a criterion required by all pathologists.<ref name=pmid12828609/>
 
DDx:<ref name=pmid12828609/>
*[[Adenocarcinoma of the uterine cervix]] - has "obvious" nuclear atypia.
*[[Tunnel cluster]].
 
===IHC===
Features:
*CEA +ve.<ref name=pmid2764221/>
*p16 -ve.{{fact}}


=See also=
=See also=
Line 936: Line 618:
*[http://www.medecine.ups-tlse.fr/dcem1/histologie/courtade/CINtec.pdf Interpretation altas for p16 staining (ups-tlse.fr)].
*[http://www.medecine.ups-tlse.fr/dcem1/histologie/courtade/CINtec.pdf Interpretation altas for p16 staining (ups-tlse.fr)].
*[http://www.glowm.com/section_view/heading/Pathology%20of%20Cervical%20Carcinoma/item/230#26011 Cervical carcinoma (glowm.com)].
*[http://www.glowm.com/section_view/heading/Pathology%20of%20Cervical%20Carcinoma/item/230#26011 Cervical carcinoma (glowm.com)].
*[http://www.obgyn.net/gynecological-oncology/electrosurgery-cervical-intraepithelial-neoplasia Treatments for CIN (obgyn.net)].


[[Category:Gynecologic pathology]]
[[Category:Gynecologic pathology]]
Michael
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