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J Surg Oncol. 2018 Mar;117(4):597-617. doi: 10.1002/jso.24936. Epub 2017 Dec 11.

Melanoma patterns of care in Ontario: A call for a strategic alignment of multidisciplinary care.

Author information

1
Department of General Surgery, Sunnybrook Health Sciences Centre, Toronto, Ontorio, Canada.
2
Institute for Clinical Evaluative Sciences, Toronto, Ontorio, Canada.
3
St. Michael's Hospital, Department of Surgery and Keenan Research Centre, Toronto, Ontorio, Canada.

Abstract

BACKGROUND AND OBJECTIVES:

Variability in melanoma management has prompted concerns about equitable and timely treatment. We investigated patterns of melanoma diagnosis and treatment using population-level data.

METHODS:

Patients with invasive cutaneous melanoma were identified retrospectively from the Ontario Cancer Registry (2003-2012) and deterministically linked with administrative databases to identify incidence, disease characteristics, geographic origin, and multimodal treatment within a year of diagnosis. Melanoma treatment was categorized as inadequate or adequate based on multidisciplinary clinical algorithms. Multivariable logistic regression was used to model factors associated with treatment adequacy.

RESULTS:

From 2003 to 2012, 22 918 patients with invasive melanoma were identified with annual age/sex standardized incidence rates of 11.7-14.3/100 000 for females and 13.4-15.9/100 000 for males. Melanoma occurred at median age of 62 and primarily on extremities (43.9%). Within 1 year after diagnosis, 86.7% of patients received surgery as primary therapy. A total of 2312 (10.6%) patients received inadequate or no treatment after diagnosis. Receiving adequate treatment was associated with consultation with dermatology (OR 1.92, CI 1.71-2.14), plastic surgery (OR 4.80, CI 4.32-5.34), or general surgery (OR 2.15, CI 1.94-2.38).

CONCLUSIONS:

Significant variation exists in melanoma management and nearly one in nine patients is inadequately treated. Referral to sub-specialized providers is critical for ensuring appropriate care.

KEYWORDS:

dermatology; surgery; variation

PMID:
29228470
DOI:
10.1002/jso.24936
[Indexed for MEDLINE]

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