225 please let me pass this exam pt 2

32%

% of metastatic lymph nodes present in level III cases in the series of Holmes et al.

65%

% of metastatic lymph nodes present in levels IV and V cases in the series of Holmes et al.

Grading

Macroscopic and microscopic degree of differentiation of the tumor

Grade I

Grade of tumors that are so well-differentiated that they closely resemble the normal parent cells

Gradve IV

Tumors that are so anaplastic that even the recognition of their cell origin becomes difficult

Grades II and III

Intermediate grades for Von Hansmen and Borders

<25% Anaplastic Cells

% of anaplastic cells in grade 1

25-50%

% anaplastic cells in grade 2

50-75%

% anaplastic cells in grade 3

>75%

% anaplastic cells in grade 4

Gx

Means grade cannot be assessed

G1

Means well differentiated

G2

Means moderately differentiated

G3

Means poorly differentiated

G4

Means undifferentiated

80%

Five-year survival rate of Grade I tumors

20%

Five-year survival rate of Grade III neoplasms

Scarff Bloom Richardson Grading

System for Ca breast based on degree of tubule formation, nuclear grade and mitotic rate. Points are assigned to each parameter. The histologic grade is determined by summing the points

Albores Saavedra

Grading system for papillary intraductal carcinomas of pancreas based on nuclear typia and mitotic figures

Gleasons

Grading system used for prostate Ca which proposes that Ca prostate may show one or several of 5 histologic patterns. Has prognostic significance