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Mucinous Cystadenoma of ovary (10X)
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Mucinous Cystadenoma of ovary (10X)

This low power view shows the simple columnar epithelium lining the cyst.
The arrows point to some free floating mucin and detached epithelial cells.
Even at this power the basal nuclei and pale staining cytoplasm can be appreciated.
(Description By:Melinda Sanders, M.D. )
(Image Contrib. by:Melinda Sanders, M.D. UCHC )
Mucinous Cystadenoma
Etiology

unknown
Pathogenesis

derives from germinal (surface) epithelium
?epithelium pinched off into ovarian stroma following rupture of follicle
may undergo metaplasia and secretion,
Epidemiology

reproductive age women
General Gross Description

may achieve enormous size
smooth external surface
unilocular cyst or one with few septae
contains clear, yellow, slimy fluid
smooth, thin lining
General Microscopic Description

columnar epithelium with mucin containing cells
usually identical to endocervical or intestinal epithelium
bland stroma
Clinical Correlation

reproductive age women
adnexal mass
symptoms of heaviness or pressure if large
cured with surgical cystectomy
5% bilateral
References

Cotran RS, Kumar V, Robbins SL: Robbins Pathologic Basis of Disease. 5th ed. Philadelphia, W.B. Saunders, 1994, pp. 1066-8.
Mucinous Cystadenoma
Synopsis by: Melinda Sanders M.D. (T87000M84700)[40]
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