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Struma Ovarii (10X)
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Struma Ovarii (10X)

The follicles contain vividly eosinophilic, acellular colloid.
The linear stripes within the colloid are artifact.
The variation in size between follicles is typical.
The rich vascular supply can be identified in this image.
(Description By:Melinda Sanders, M.D. )
(Image Contrib. by:Melinda Sanders, M.D. UCHC )
Struma Ovarii (Monodermal Teratoma)
Etiology

unknown
Pathogenesis

proliferation of a meiotic germ cell,
Epidemiology

reproductive age women
General Gross Description

smooth external surface
cut surfaces will be meaty and red brown, resembling the thyroid gland
General Microscopic Description

follicles indistinguishable from normal thyroid
Clinical Correlation
reproductive age women with unilateral mass (10-15% bilateral)
generally incidental finding
may be functional
References

Cotran RS, Kumar V, Robbins SL: Robbins Pathologic Basis of Disease. 5th ed. Philadelphia, W.B. Saunders, 1994, pp. 1072-3
Struma Ovarii (Monodermal Teratoma)
Synopsis by: Melinda Sanders M.D. (T87000M90900)[273]
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