July 28, 2015

NCLEX Tumor Review

Primary Tumors

  • Neuromas- 80-90% of brain tumors, named for what part of nerve cell affected.
  • Meningiomas- outside of arachnoidal tissue, usually benign and slow growing
  • Glioblastoma Multiform-50% of all primary tumors, linked to specific genetic mutations

Secondary Tumors

  • Metastatic carcinomas

Scale –degree of anaplasia: differentiation of mature (good) vs. immature cells (bad)

Grade I: up to 25% anaplasia

Grade II: 26-50% anaplasia

Grade III: 51-75% anaplasia

Grade IV: 76-100% anaplasia

Primary Tumor Effect:

  1. Headaches
  2. Vomiting

Secondary Tumor Effect:

  1. Direct compression/necrosis
  2. Herniation of brain tissue
  3. Increase ICP

Noteworthy Tumor Markers

  1. AFP
  2. Alkaline phosphatase
  3. b-hCG
  4. CA-125
  5. PSA