8-A837A-2017-Books-00129-029-060_Katz_Sec1_Ch02-ROUND-1

C H A P T E R 2 | Oncologic Components of Lymphadenectomy

47

lymph nodes; nodes . 2 cm,

age . 45 years,

(continued)

had positive

lymph nodes;

most received RAI therapy.

TT 1 ibpCCND 126 1.7 47 6.3 NR NR 69 47% of patients lymph nodes. P-value NR NS TT 130 NR Overall, 6.9 y 19 NR NR 42 11 had positive

had positive

ETE, or positive

nodes prompted RAI therapy.

Grade of

Evidence and Comments

TT 391 2.3 70* 5 0.5 1 NR 11

TT 1 ipCCND 56 2 24.5* 3.6 1.8 0 NR 38% of patients P-value NR NS NS NS TT 118 1.5 64 7.7 NR NR 53 11

TT 1 bpCCND 136 NR 14 NR NR 58 82% of patients P-value NS 5-y DFS:

Permanent (%) RAI Use

RLN,

Hypoparathyroidism, Permanent (%)

85.6%

vs. 88%; NS

Recurrence Rate (%)

Follow-up (mo)

Mean

Tumor Size (cm)

Mean

No. of

Patients

TABLE 2-1 Selected Retrospective Studies Comparing Total Thyroidectomy with or without Prophylactic Central Compartment Neck Dissection Author, Years of Trial Procedure Sywak et al, 147 1995–2005 Costa et al, 161 1994–2001 Zuniga and Sanabria, 165 1983–1999