Should a Sentinel Node Biopsy Be Performed in Patients with High-Risk Breast Cancer?

Table 1

Factors influencing the sensitivity of SLN biopsy.

Factor	Sensitivity	Reference
T1	89.7–93.3%	[4, 7, 8]
T2-T3	82.0–92.6%	[7, 9]
Grade		[10]
1	95.7%
3	90.4%
Skill of surgeon	72.4–100%	[8]
Method		[11]
Combined dye and isotope	86.3–96.0%
Dye	85.7–90.4%
Isotope	86.3–97.8%
Number of SLN removed		[10, 12]
1	82.3–89.1%
3	93.1–98.9%
5	99%
Medial tumor	Decreases	[8]
Age > 50	Decreases	[8]
Obesity	Decreases	[10, 13]