teratoma; dermoid

Introduction

germ cell tumor that may contain several different types of tissue, such as hair, muscle, & bone

Pathology

• most are benign

Microscopic pathology

(classification)

• immature
• mature
  • solid
  • cystic (dermoid cyst) make up ~95% of ovarian germ cell tumors
• monodermal and highly specialized
  • struma ovarii
  • carcinoid
  • strumal carcinoid

Laboratory

• serum alpha-fetoprotein is generally normal with ovarian germ cell tumors

More general terms

• germ cell neoplasm

More specific terms

• dermoid cyst
• primary intracranial teratoma
• struma ovarii
• teratocarcinoma

Patient information

teratoma patient information