Clinical characteristics associated with Spitz nevi and Spitzoid malignant melanomas: The Yale University Spitzoid Neoplasm Repository experience, 1991 to 2008  

Oleh:

Lott, Jason P. ; Wititsuwannakul, Jade ; Lee, Julie J. ; Ariyan, Stephan ; Narayan, Deepak

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: JAAD: Journal of the American Academy of Dermatology (keterangan: ada di ClinicalKey) vol. 71 no. 06 (Dec. 2014), page 1077–1082 .
Topik: clinical characteristics; diagnosis; epidemiology; Spitz nevus; Spitzoid malignant melanoma; Yale Spitzoid Neoplasm Repository

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Perpustakaan FK Nomor Panggil: J15.K Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Background Spitz nevi and Spitzoid malignant melanomas are uncommon and may be difficult to distinguish histopathologically. Identification of clinical features associated with these lesions may aid in diagnosis. Objective We sought to identify clinical characteristics associated with Spitz nevi and Spitzoid malignant melanomas. Methods We conducted a retrospective cohort study of Spitz nevi and Spitzoid malignant melanomas from the Yale University Spitzoid Neoplasm Repository diagnosed from years 1991 through 2008. Descriptive statistics and multivariate logistic regression were used to compare select patient- and tumor-level factors associated with each lesion. Results Our cohort included 484 Spitz nevi and 54 Spitzoid malignant melanomas. Spitz nevi were more common (P = .03) in females (65%; n = 316) compared with Spitzoid malignant melanomas (50%; n = 27), occurred more frequently in younger patients (mean age at diagnosis 22 vs 55 years; P < .001), and more likely presented as smaller lesions (diameter 7.6 vs 10.5 mm; P < .001). Increasing age (odds ratio 1.16, 95% CI [1.09, 1.14]; P< .001) and male gender (odds ratio 2.77, 95% CI [1.17, 6.55]; P< .02) predicted Spitzoid malignant melanoma diagnosis. Limitations Small sample size, unmeasured confounding, and restriction to a single institution may limit the accuracy and generalizability of our findings. Conclusions Age and gender help predict diagnosis of Spitz nevi and Spitzoid malignant melanomas.

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