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Clear Cell Carcinoma of Ovary (Low Power)
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Clear Cell Carcinoma of Ovary (Low Power)

View of carcinoma arranged in small cysts separated by fibrovascular stroma.
Epithelium lining the cysts of varying thickness.
Pale pink material in cysts is proteinaceous debris.
(Description By:Melinda Sanders,M.D. )
(Image Contrib. by:Melinda Sanders,M.D. UCHC )
Clear Cell Carcinoma
Etiology

unknown
associated with endometriosis
unrelated to diethylstilbesterol (DES) exposure
Pathogenesis

some patients with mutations in BRCA1 ,
Epidemiology

peri- or post-menopausal women of low parity
gonadal dysgenesis
ovarian epithelial carcinoma = 6% of female cancer and 50% of female cancer deaths due to late detection and failure to determine high risk group
clear cell = 6% of ovarian cancers; 40% bilateral
General Gross Description

smooth, lobulated external surface
usually solid but may be cystic
yellow tan, firm
General Microscopic Description

cells arranged in tubules, nests, or cysts
clear cytoplasm (glycogen rich) with sharply demarcated cell borders
"hobnail" cells with nucleus standing on stalk of cytoplasm
hyperchromatic, pleomorphic nuclei
Clinical Correlation

early symptoms vague, late abdominal distension with ascites and pain
rarely detected on routine examination
Stage I confined to ovary(ies), II confined to pelvis, III with extension to abdominal cavity, IV distant metasases
most women Stage III or IV at presentation
spread across serosal surfaces and to lymph nodes
removal of bulk of tumor and chemotherapy are major therapy
References

Cotran RS, Kumar V, Robbins SL: Robbins Pathologic Basis of Disease. 5th ed. Philadelphia, W.B. Saunders, 1994, pp. 1065-1068
Clear Cell Carcinoma
Synopsis by: Melinda Sanders M.D. (T87000M83103)[43]
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