Risk factors and timing of subsequent cutaneous squamous cell carcinoma in patients with cutaneous squamous cell carcinoma: A retrospective cohort study - 15/02/21
Abstract |
Background |
Information about the frequency and timing of subsequent cutaneous squamous cell carcinoma (cSCC), along with associated risk factors, is limited. However, this information is crucial to guide follow-up care for these patients.
Objective |
To evaluate the risk and timing of subsequent cSCC in patients who presented with an initial diagnosis of cSCC.
Methods |
Retrospective review of an institutional review board–approved, single-institution registry of invasive cSCC. All patients had at least 2 primary cSCCs diagnosed on 2 separate dates 2 months apart.
Results |
A total of 299 primary cSCCs were included. At 6 months from initial cSCC diagnosis, 18.06% (n = 54) of patients developed subsequent cSCC; at 1 year, 31.77% (n = 94); at 3 years, 67.56% (n = 202); and at 5 years, 87.96% (n = 263) developed subsequent cSCC. Risk factors associated with subsequent cSCC include age at initial diagnosis (hazard ratio [HR], 1.02; 95% confidence interval, 1.004-1.027; P = .008), T2 stage (HR, 1.66; 95% CI, 1.07-2.57; P = .025), and poor tumor grade. Tumor grades well, moderate, and unknown have HRs of 0.21 (P < .001), 0.16 (P .001), and 0.25 (P = .001), respectively.
Conclusions |
Of patients who develop subsequent cSCC, 18.06% do so within 6 months, and 31.77% do so within 1 year of initial cSCC diagnosis. Patients with advanced age, poor histologic differentiation, and American Joint Committee on Cancer T2 stage are at highest risk. Close clinical follow-up after the initial diagnosis is recommended.
Le texte complet de cet article est disponible en PDF.Key words : clinical research, cutaneous oncology, dermatologic surgery, full-body skin examination, general dermatology, medical dermatology, MMS, Mohs surgery, oncology, squamous cell carcinoma, total body skin examination
Abbreviations used : AJCC, CI, cSCC, HR, IQR, NMSC
Plan
| Funding sources: None. |
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| Conflicts of interest: None disclosed. |
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| IRB approval status: Reviewed and approved by the Cleveland Clinic IRB. |
Vol 84 - N° 3
P. 719-724 - mars 2021 Retour au numéro
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