Fact-sheet: Teratoma of brain


Updated on 03/31/2020 at 9:45 AM

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Definition

Tumor derived from germ cell stem cells.
Several types are distinguished:

  • mature teratoma
  • immature
  • malignant

Predominantly affects young (< 5 years) and Asian patients

The components are very often mixed: cysts, fat, hemorrhage, solid tissue...

Clinical features

Headaches, nausea, vomiting, cranial nerve VI palsy

Ultrasound

Prenatal ultrasound:

  • macrocephaly
  • hydrocephalus

CT

Spontaneous hyperdensity: calcifications, bone, teeth

Hypodensities: necrosis, hemorrhage

After injection: heterogeneous enhancement

MRI

T2*: hemorrhagic components
T2: cystic portions in hypersignal
Gadolinium: heterogeneous enhancement

Management

Surgical resection

Differential diagnosis

Craniopharyngioma