期刊
CLINICAL NUCLEAR MEDICINE
卷 44, 期 2, 页码 107-118出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/RLU.0000000000002378
关键词
sentinel lymph node biopsy; thyroid carcinoma; lymphoscintigraphy; differentiated thyroid cancer; occult metastasis
Purpose The aim of this study was to compare reported results on available techniques for sentinel lymph node detection rate (SDR) in papillary thyroid cancer (PTC). Methods The MEDLINE database was searched via a PubMed interface to identify original articles regarding sentinel lymph node biopsy (SNB) in thyroid cancer. Studies were stratified according to the sentinel lymph node (SLN) detection technique: vital-dye (VD), Tc-99m-nanocolloid planar lymphoscintigraphy with the use of intraoperative hand-held gamma probes (LS), both Tc-99m-nanocolloid planar lymphoscintigraphy with intraoperative use of hand-held gamma probe and VD (LS + VD), Tc-99m-nanocolloid planar lymphoscintigraphy with the additional contribution of preoperative SPECT/CT, and intraoperative use of hand-held gamma probe (LS-SPECT/CT). Pooled SDR values were presented with a 95% confidence interval (CI) for each SLN detection techniques. A Z-test was used to compare pooled SDR estimates. False-negative rates were summarized for each method. Results Forty-five studies were included. Overall SDRs for the VD, LS, LS + VD, and LS-SPECT/CT techniques were 83% (95% CI, 77%-88%; I-2 = 78%), 96% (95% CI, 90%-98%; I-2 = 68%), 87% (95% CI, 65%-96%; I-2 = 75%), and 93% (95% CI, 86%-97%; I-2 = 0%), respectively. False-negative rates were 0% to 38%, 0% to 40%, 0% to 17%, and 7% to 8%, respectively. Conclusions In patients with PTC, Tc-99m-nanocolloids offer a higher SDR than that of the VD technique. The addition of SPECT/CT improved identification of metastatic SLNs outside the central neck compartment.
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