Table 1.

Studies Addressing the Impact of Margins Status on Local Control in TLM for Glottic Cancer

Author Patients T Stage Adequate Margin Definition Use of Frozen Section Inadequate or Positive Margins on Final Pathology Further Treatment for Inadequate or Positive Margins (Number of Patients; Treatment) Rate of Positive Pathology on Second Resection Rate of Local Recurrence in Inadequate or Positive Margins Rate of Local Recurrence in Negative Margins Significant Impact of Margins Status on Local Control Initial Local Control Rate
Fang17 (2013) 75 T1, T2 NA yes I: 10 (10%)
P: 28 (40%)
none 18% 3% no 84%
Michel10 (2011) 64 T1 1–2 mm no 24 (37.5%) 10; re-resection 10% 17% 5% no 91%
Peretti19 (2010) 595 Tis-T3 >1 mm no 300 (50%) 71; re-resection 14% 7%–15% 6% yes 85%
Ansain18 (2009) 274 Tis-T1 >1 mm no I: 40 (15%)
P: 54 (20%)
28; RT
36; re-resection
8% 14% 2% yes 91%
Hartl9 (2008) 79 Tis-T1 >2 mm no I: 20 (25%)
P: 5 (6%)
3; resection 0 24% 9% no 96%
Manola11 (2008) 31 T1 1–2 mm no 3 (10%) 3; resection 0 3% 0 no 95%
Brondbo8 (2007) 171 T1 1–2 mm no 62 (36%) none 14.5% 4% no 91%
Crespo20 (2006) 40 T1, T2 NA yes P: 8 (20%) 2; RT 37.5% 0 yes 93%

I, inadequate; NA, data not available; P, Positive; RT, radiation therapy; TLM, transoral laser microsurgery.

RMMJ Rambam Maimonides Medical Journal Rambam Health Care Campus 2014 April; 5(2): e0016. ISSN: 2076-9172
Published online 2014 April 28. doi: 10.5041/RMMJ.10150