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Difference between revisions of "Ovarian tumours"
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→Mucinous borderline tumour of the ovary
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====Classification==== | ====Classification==== | ||
Subdivided into:<ref name=pmid15371946>{{Cite journal | last1 = Rodriguez | first1 = IM. | last2 = Irving | first2 = JA. | last3 = Prat | first3 = J. | title = Endocervical-like mucinous borderline tumors of the ovary: a clinicopathologic analysis of 31 cases. | journal = Am J Surg Pathol | volume = 28 | issue = 10 | pages = 1311-8 | month = Oct | year = 2004 | doi = | PMID = 15371946 }}</ref> | Subdivided into:<ref name=pmid15371946>{{Cite journal | last1 = Rodriguez | first1 = IM. | last2 = Irving | first2 = JA. | last3 = Prat | first3 = J. | title = Endocervical-like mucinous borderline tumors of the ovary: a clinicopathologic analysis of 31 cases. | journal = Am J Surg Pathol | volume = 28 | issue = 10 | pages = 1311-8 | month = Oct | year = 2004 | doi = | PMID = 15371946 }}</ref> | ||
# Intestinal type mucinous borderline tumour of the ovary | # Intestinal type mucinous borderline tumour of the ovary ~ 90% of cases. | ||
# Endocervical type mucinous borderline tumour of the ovary. | # Endocervical type mucinous borderline tumour of the ovary ~ 10% of cases. | ||
Note: | Note: | ||
*Clinicians don't seem to like the term ''low malignant potential''. | *Clinicians don't seem to like the term ''low malignant potential''. | ||
===Gross=== | |||
''Intestinal type mucinous borderline tumour of the ovary'' and ''endocervical type mucinous borderline tumour of the ovary'': | |||
*Complex multiloculated mass with mucin. | |||
*Often large - may > 30 cm. | |||
===Microscopic=== | ===Microscopic=== | ||
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Features: | Features: | ||
*Mucinous differentiation: | *Mucinous differentiation: | ||
**Tall [[columnar cell]]s with apical mucin. | **Tall [[columnar cell]]s with apical mucin - usu. resembles gastric foveolar epithelium. | ||
*Layering of epithelial cells (stratification). | *Layering of epithelial cells (stratification). | ||
**Must be <= 3 cells.<ref name=Ref_GP>{{Ref GP|416}}</ref> | **Must be <= 3 cells.<ref name=Ref_GP>{{Ref GP|416}}</ref> | ||
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*[[Mucinous cystadenoma of the ovary]]. | *[[Mucinous cystadenoma of the ovary]]. | ||
*[[Mucinous cystadenoma of the ovary]] with focal proliferation. | *[[Mucinous cystadenoma of the ovary]] with focal proliferation. | ||
====Endocervical type mucinous borderline tumour of the ovary==== | |||
Features:<ref name=Ref_GP420>{{Ref GP|420}}</ref> | |||
#Cells with mucinous differentiation resembling endocervical epithelium: | |||
#*Tall [[columnar cell]]s with grey apical mucin. | |||
#Cells with eosinophilic cytoplasm - known as "pink cells". | |||
#Ciliated cells. | |||
==Mucinous adenocarcinoma of the ovary== | ==Mucinous adenocarcinoma of the ovary== | ||