Description

A variety of factors have found to be associated with favorable or unfavorable outcomes in patients with breast carcinoma. Some are independent predictors, while others reflect the level of differentiation of the tumor.


Parameter

Favorable

Unfavorable

patient's age

> 35 and < 50 years of age

> 50, especially if elderly; <= 35 years of age

pregnancy or lactation

 

overall poorer prognosis

invasiveness

in situ

invasive

size of tumor

invasive carcinoma <= 1 cm

> 1 cm; 1-2 cm better than >= 2 cm

microscopic grade

well-differentiated (Grade I)

poorly differentiated (Grade III)

type of margin

"pushing"

"infiltrating"

metastasis to axillary lymph nodes

absent

present (having 1-3 nodes positive better than if >= 4)

metastasis to internal mammillary lymph nodes

absent

present

estrogen receptor

>= 10 fmol/mg protein

< 10 fmol/mg protein

progesterone receptor

>= 10 fmol/mg protein (poor if ER negative)

< 10 fmol/mg protein

pS2 protein

high (> 11 ng/mg)

low (< 11 ng/mg)

S phase fraction

low

high

ploidy

diploid

aneuploid

mitotic index

low

high

thymidine labeling index

low

high

c-erbB-2 (neu/HER-2) oncogene

absent

present

proliferating cell markers (Ki-67, PCNA/cyclin, others)

low

high

cytoarchitectural patterns

tubular carcinoma (pure), medullary carcinoma (true), mucinous carcinoma (pure), papillary carcinoma (pure), adenoid cystic carcinoma (pure), secretory carcinoma (pure)

signet ring carcinoma, inflammatory carcinoma

 

Factors which may not have independent prognostic value or which may not yet be suited for general use:

(1) Cathepsin D

(2) CEA staining pattern

(3) p53 in node negative patients

(4) elastosis

(5) epidermal growth factor receptor

(6) microvessel density

 


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