Use and Costs of Sentinel Lymph Node Biopsy in Non-Ulcerated T1b Melanoma: Analysis of a Population-Based Registry
- 26.04.2021
- Melanoma
Erschienen in:
- Verfasst von
- Joshua N. Herb, MD
- David W. Ollila, MD, FACS
- Karyn B. Stitzenberg, MD, MPH, FACS
- Michael O. Meyers, MD, FACS
- Erschienen in
- Annals of Surgical Oncology | Ausgabe 7/2021
Abstract
Background
The utility of sentinel lymph node biopsy (SLNB) for non-ulcerated T1b melanoma is debated and associated costs are poorly characterized. Prior work using institutional registries may overestimate the incidence of nodal positivity in this population.
Objective
The aim of this study was to estimate the use of SLNB, positivity prevalence, and procedural costs in patients with non-ulcerated T1b melanoma using a population-based registry.
Methods
We identified patients with clinically node-negative, non-ulcerated melanoma 0.8–1.0 mm thick (T1b according to the 8th edition standard of the American Joint Committee on Cancer) in the Surveillance, Epidemiology, and End Results database from 2010 to 2016. The prevalence of SLNB procedures and positive sentinel nodes were calculated. Factors associated with SLNB and sentinel node positivity were assessed using logistic regression. Medicare reimbursement costs and patient out-of-pocket expenses for SLNB and wide local excision (WLE) versus WLE alone were estimated.
Results
Among 7245 included patients, 3835(53%) underwent SLNB, 156 (4.1%, 95% confidence interval 3.5–4.7) of whom had a positive SLNB. Younger age, >1 mitosis per mm2, female sex, and truncal tumor location were associated with higher odds of positivity. The estimated SLNB cost to identify one patient with stage III disease was $71,700 (range $54,648–$83,172). Out-of-pocket expenses for a Medicare patient were estimated to be $652 for a WLE and SLNB and $79 for a WLE alone.
Conclusions
In this population-based study, only 4% of selected non-ulcerated T1b patients had a positive SLNB, which is lower than prior reports. At the population level, SLNB is associated with high costs per prognostic information gained.
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- Titel
- Use and Costs of Sentinel Lymph Node Biopsy in Non-Ulcerated T1b Melanoma: Analysis of a Population-Based Registry
- Verfasst von
-
Joshua N. Herb, MD
David W. Ollila, MD, FACS
Karyn B. Stitzenberg, MD, MPH, FACS
Michael O. Meyers, MD, FACS
- Publikationsdatum
- 26.04.2021
- Verlag
- Springer International Publishing
- Erschienen in
-
Annals of Surgical Oncology / Ausgabe 7/2021
Print ISSN: 1068-9265
Elektronische ISSN: 1534-4681 - DOI
- https://doi.org/10.1245/s10434-021-09998-6
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