Neoplasia 2 Flashcards
Benign tumor derived from the 3 germ cell layers (usually testes or ovaries)
Teratoma
Malignant tumor derived from the 3 germ cell layers (usually testes or ovaries)
Teratocarcinoma
Where are teratomas and teratocarcinomas usually located?
Testes and Ovaries
(Midline of body)
What is the #1 tumor of women of reproductive age?
Benign Cystic Teratoma (Dermoid Cyst of Ovary)
(filled w/ hair and teeth)
Who does staging of cancer?
Oncologist
Who does grading of cancer?
Pathologist
Which tumors are not graded or staged?
Benign tumors. ONLY malignant are staged/graded.
What is cytologic/histologic grading based on?
Degree of anaplasia and # of proliferating cells
How many grades are there?
3
Well-Differentiated Tumors
(looks like tissue of origin)
Which grade?
Grade 1
Moderately Differentiated Tumors
(Not looking like inherent tissue)
Which grade?
Grade 2
Poorly or Undifferentiated Tumors
(Can’t tell which tissue it came from)
Which grade?
Grade 3
Refers to extent of spread
Cancer Staging
The choice of a medical vs. surgical tx approach to cancer is influenced by grade or stage?
Stage of tumor
What does TNM stand for?
T: Tumor size
N: Lymph Node Status
M: Metastasis