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Dermoid Cyst (Benign Cystic Teratoma)
Etiology

• unknown
Pathogenesis

• proliferation of a meiotic germ cell,
Epidemiology

• reproductive age women
General Gross Description

• smooth external surface
• usually filled with hair and cheesy material (keratin)
• may also see teeth, soft neural tissue, fat, bone and cartilage
•Examples: Benign cystic teratoma/Dermoid cyst Dermoid Cyst of Ovary (composite) Dermoid Cyst of Ovary (External View) Dermoid Cyst of Ovary (Interior) Ovarian Teratoma (External view) Ovarian Teratoma (Cut surface) Ovarian Teratoma (composite view)
General Microscopic Description

• mature skin and hair predominate
• tissue derived from all three germ layers endoderm, mesoderm and ectoderm
• any immature tissue implies malignant potential
•Examples: Dermoid Cyst of Ovary (20X) Dermoid Cyst of Ovary (4X) Dermoid Cyst of Ovary (10X) Dermoid Cyst of Ovary (40X) Dermoid Cyst of Ovary (10X) Dermoid Cyst of Ovary (4X) Dermoid Cyst of Ovary (10X) Dermoid Cyst of Ovary (10X)
Clinical Correlation

• reproductive age women with unilateral mass (10-15% bilateral)
• generally incidental finding
References

• Cotran RS, Kumar V, Robbins SL: Robbins Pathologic Basis of Disease. 5th ed. Philadelphia, W.B. Saunders, 1994, pp. 1072-3
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Dermoid Cyst (Benign Cystic Teratoma)
Synopsis by: Melinda Sanders M.D. (T87000M90840)[45]
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