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schwannoma

schwannoma

9.9
A non-cancerous growth that starts from the cells covering nerves
  • noun
  • /ʃwɑːnˈnoʊmə/
  • Specialized
translation icon : schwannoma
  • Ancient schwannoma is a rare variant of schwannoma with a course typical of a slow-growing benign tumor.
  • benign schwannoma
  • malignant schwannoma
  • vestibular schwannoma

Examples

  • The absence of mitotic activity is the key feature to differentiate benign ancient schwannomas from malignant schwannomas.

    Academic text (2007)
  • Symptoms and signs associated with sinonasal schwannomas include rhinorrhea, epistaxis, anosmia, and facial swelling.

    Academic text (2007)
  • Between 25% and 45% of schwannomas occur in the head and neck.

    Academic text (2005)
  • We report a case of supraglottic schwannoma in a 59-year-old woman.

    Academic text (2005)
  • An unusual case of an ancient schwannoma of the submandibular gland is reported.

    Academic text (1996)
  • A diagnosis of ancient schwannoma was made, and the tumor was excised under general anesthesia.

    Academic text (2007)
  • Current philosophies of facial nerve schwannoma management attempt to balance tumor control with facial nerve function.

    Academic text (2008)
  • The mass was confirmed as a facial nerve schwannoma by neural probe stimulation.

    Academic text (2008)
  • Management options for both vestibular schwannomas and glomus jugulare tumors include observation, surgery, and radiotherapy.

    Academic text (2005)
  • Between 25% and 45% of schwannomas occur in the head and neck.

Synonyms

neurinoma
vsschwannoma
  • Specialized
9.9

A growth on the covering of a nerve that is often not cancer

is from specific nerve-covering cells rather than any general sheath
neurilemoma
vsschwannoma
  • Specialized
9.9

A non-cancerous lump that grows from the covering of a nerve

is from specific nerve-covering cells, not only in peripheral sheaths

Surface Forms

schwannoma singular
schwannomas plural

Morphology

schwannoma = Schwann (opaque) = Schwann + oma

Built from a proper name plus the medical combining form '-oma' (tumor), which is not predictable for average learners.

Etymology

Schwannoma comes from the name of the German scientist Schwann and the ending -oma, which means 'tumor', like in melanoma. So a Schwannoma is a tumor made from the special Schwann cells that cover nerves, which is why it often presses on nerves and can cause pain or numbness.