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:
- Headaches
- Vomiting
- Direct compression/necrosis
- Herniation of brain tissue
- Increase ICP
Noteworthy Tumor Markers
- AFP
- Alkaline phosphatase
- b-hCG
- CA-125
- PSA