Choroid papilloma

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Choroid papilloma

Choroid papilloma is often a benign tumor originating from the epithelium of the choroid plexus of the ventricles of the brain; manifest in childhood and adulthood. The most common tumor in babies in the first year of life. Localization: lateral (50%), III (5%) and IV (40%) ventricles of the brain. Histological variants

    • Papilloma of the choroid plexus is a benign (WHO stage I malignancy), soft, encapsulated, slowly growing tumor.
    • Choroid plexus carcinoma is a malignant variant (WHO grade III) without a capsule, with anaplastic signs and frequent metastases along the CSF pathways
    • Papilloma of the choroid plexus is atypical – differences from typical papilloma and carcinoma are not always clear; note one or more signs of malignancy, for example, an increase in mitotic activity.

Clinical picture, diagnosis, treatment – see Tumors of the brain. Prognosis. Choroid papilloma: 5-year survival – 80%. Carcinoma: average survival — 9 months, frequent dissemination and metastasis of the tumor.

Synonyms

    • Papilloma of the choroid plexus
    • Papilloma of the choroid plexus
    • Papilloma of the villous plexus
    • Plexuspa-pilloma
    • Chorioid pithelioma See also Brain tumors

ICD

  • C71 Malignant neoplasm of the brain
  • D33 Benign neoplasm of brain and other parts of central nervous system