Difference between revisions of "Gestational trophoblastic disease"

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Gestational trophoblastic disease (view source)

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'''Gestational trophoblastic disease''' (GTD) includes [[choriocarcinoma]] and hydatidiform moles.
'''Gestational trophoblastic disease''' (abbreviated '''GTD'''), also '''gestational trophoblastic neoplasia''' (abbreviated '''GTN'''), includes [[choriocarcinoma]] and hydatidiform moles.


=Overview=
=Overview=
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! Type of mole
! Type of mole
! Gross
! Gross
! Nuclear atypia
! [[Nuclear atypia]]
! [[Chorionic villi]]
! [[Chorionic villi]]
! [[IHC]]
! [[IHC]]
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| beta-hCG +ve
| beta-hCG +ve
| ?
| ?
| [http://www.webpathology.com/image.asp?case=36&n=1 choriocarcinoma (webpathology.com)]
| [[Image:Choriocarcinoma_-2-_very_high_mag.jpg|thumb|center|120px|Choriocarcinoma. (WC)]]
|-
|-
|}
|}
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|}
|}
Note:
Note:
* ‡ The amount of Ki-67 staining varies considerably based on what one reads. Chen ''at al.''<ref>{{Cite journal  | last1 = Chen | first1 = Y. | last2 = Shen | first2 = D. | last3 = Gu | first3 = Y. | last4 = Zhong | first4 = P. | last5 = Xie | first5 = J. | last6 = Song | first6 = Q. | title = The diagnostic value of Ki-67, P53 and P63 in distinguishing partial Hydatidiform mole from hydropic abortion. | journal = Wien Klin Wochenschr | volume = 124 | issue = 5-6 | pages = 184-7 | month = Mar | year = 2012 | doi = 10.1007/s00508-011-0119-4 | PMID = 22218717 }}</ref> suggest 25% versus 5% for partial mole versus hydropic abortus.
* ‡ The amount of [[Ki-67]] staining varies considerably based on what one reads. Chen ''at al.''<ref>{{Cite journal  | last1 = Chen | first1 = Y. | last2 = Shen | first2 = D. | last3 = Gu | first3 = Y. | last4 = Zhong | first4 = P. | last5 = Xie | first5 = J. | last6 = Song | first6 = Q. | title = The diagnostic value of Ki-67, P53 and P63 in distinguishing partial Hydatidiform mole from hydropic abortion. | journal = Wien Klin Wochenschr | volume = 124 | issue = 5-6 | pages = 184-7 | month = Mar | year = 2012 | doi = 10.1007/s00508-011-0119-4 | PMID = 22218717 }}</ref> suggest 25% versus 5% for partial mole versus hydropic abortus.


====Mole versus normal====
====Mole versus normal====
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====Non-molar versus partial versus complete - short version====
====Non-molar versus partial versus complete - short version====
Features:<ref name=pmid8157742>{{Cite journal  | last1 = Howat | first1 = AJ. | last2 = Beck | first2 = S. | last3 = Fox | first3 = H. | last4 = Harris | first4 = SC. | last5 = Hill | first5 = AS. | last6 = Nicholson | first6 = CM. | last7 = Williams | first7 = RA. | title = Can histopathologists reliably diagnose molar pregnancy? | journal = J Clin Pathol | volume = 46 | issue = 7 | pages = 599-602 | month = Jul | year = 1993 | doi =  | PMID = 8157742 }}</ref>
Features:<ref name=pmid8157742>{{Cite journal  | last1 = Howat | first1 = AJ. | last2 = Beck | first2 = S. | last3 = Fox | first3 = H. | last4 = Harris | first4 = SC. | last5 = Hill | first5 = AS. | last6 = Nicholson | first6 = CM. | last7 = Williams | first7 = RA. | title = Can histopathologists reliably diagnose molar pregnancy? | journal = J Clin Pathol | volume = 46 | issue = 7 | pages = 599-602 | month = Jul | year = 1993 | doi =  | PMID = 8157742 | url = http://www.ncbi.nlm.nih.gov/pmc/articles/PMC501384/?page=3 }}</ref>
*Non-molar pregnancy: polar proliferation of trophoblastic tissue.
*Non-molar pregnancy: polar proliferation of trophoblastic tissue.
*Partial mole: Norwegian fjord periphery, circumferential or multifocal trophoblastic proliferation, fetal parts.
*Partial mole: Norwegian fjord periphery, circumferential or multifocal trophoblastic proliferation, fetal parts.
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===Molecular===
===Molecular===
*The type of mole can be determined by [[cytogenetics]].<ref>[http://jcp.bmjjournals.com/cgi/reprint/51/6/438.pdf http://jcp.bmjjournals.com/cgi/reprint/51/6/438.pdf]</ref>
*The type of mole can be determined by [[cytogenetics]].<ref>[http://jcp.bmjjournals.com/cgi/reprint/51/6/438.pdf http://jcp.bmjjournals.com/cgi/reprint/51/6/438.pdf]</ref>
==Hydropic abortus==
===General===
*May be seen in the context of a previously detected fetal heart beat.
===Microsopic===
Features:
*Enlarged chorionic villi with some cisterns.
DDx:<ref>{{cite journal |authors=Rios-Doria E, Pennington KP, Reiter DJ, Parker EU |title=Diagnostic challenges in differentiating between hydropic abortus, and complete and partial hydatidiform molar pregnancies in early gestation |journal=Int J Gynecol Cancer |volume=33 |issue=9 |pages=1482–1484 |date=September 2023 |pmid=37268312 |doi=10.1136/ijgc-2022-004104 |url=}}</ref>
*Molar pregnancy.
===Sign out===
<pre>
Submitted as "Retained Products of Conception":
- Small and large chorionic villi with cisterns, suggestive of hydropic abortus, see comment.
- Benign decidual tissue present.
- Negative for evidence of fetal tissue in sampled tissue, see comment.
 
Comment:
Imaging previously described a gestational sac and a fetal heart beat. 
</pre>


==Partial hydatidiform mole==
==Partial hydatidiform mole==
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Image:
Image:
*[http://www.nature.com/modpathol/journal/v19/n1/fig_tab/3800485f1.html#figure-title ETT (nature.com)].<ref name=pmid16258513/>


===Microscopic===
===Microscopic===
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Images:
Images:
*[http://www.webpathology.com/image.asp?case=589&n=2 ETT (webpathology.com)].<ref name=webp_ett/>
*[http://www.webpathology.com/image.asp?case=589&n=2 ETT (webpathology.com)].<ref name=webp_ett/>
*[http://www.gfmer.ch/selected_images_v2/detail_list.php?cat1=12&cat3=861&stype=d ETT - several images (gfmer.ch)].


===IHC===
===IHC===
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[[Category:Gynecologic pathology]]
[[Category:Gynecologic pathology]]
[[Category:Gestational trophoblastic disease]]
Michael
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