Skin - Nonmelanocytic tumors
Other tumors of skin
Benign (mature) cystic teratoma

Author: Hillary Rose Elwood, M.D. (see Authors page)

Revised: 30 November 2016, last major update November 2016

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PubMed search: benign (mature) cystic teratoma skin

Cite this page: Benign (mature) cystic teratoma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/skintumornonmelanocyticbenigncysticteratoma.html. Accessed December 2nd, 2016.
Definition / General
  • Congenital tumor (extremely rare in skin) containing tissue components from all 3 germinal layers
Clinical Features
  • Very rare with only scattered case reports
  • Lesions present at birth
  • Locations vary including face, back, neck, knee
Case Reports
Micro Description
  • Cystic structure with elements from all 3 germinal layers (ectoderm, endoderm and mesoderm)
  • Variable tissue types may be present from the germinal layers:
    • Superficial ectoderm such as epidermis and appendages
    • Neuroectoderm (nervous tissue)
    • Mesoderm such as connective tissue, striated and smooth muscle
    • Endoderm such as respiratory epithelium, thyroid tissue, GI mucosa