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KMID : 0032220180300030331
Annals of Dermatology
2018년 30권 3호 p.331 ~ p.334

Dermoscopic “Landscape Painting Patterns” as a Clue for Labial Melanotic Macules: An Analysis of 80 Cases
 ( Kim Gun-Wook ) - Pusan National University School of Medicine Department of Dermatology

 ( Shin Ki-Hyuk ) - Pusan National University School of Medicine Department of Dermatology
 ( You Hyang-Suk ) - Pusan National University School of Medicine Department of Dermatology
 ( Jin Hyun-Ju ) - Pusan National University School of Medicine Department of Dermatology
 ( Shim Woo-Haing ) - Pusan National University School of Medicine Department of Dermatology
 ( Kim Hoon-Soo ) - Pusan National University School of Medicine Department of Dermatology
 ( Ko Hyun-Chang ) - Pusan National University School of Medicine Department of Dermatology
 ( Kim Byung-Soo ) - Pusan National University School of Medicine Department of Dermatology
 ( Kim Moon-Bum ) - Pusan National University School of Medicine Department of Dermatology
- Abstract -
Background: Labial melanotic macules (LMMs) are benign pigmented lesions that usually take the shape of flat asymmetrical macules with tan-brown to black color and variable size. Whereas the dermoscopic features of other pigmented skin lesions have been relatively well described, little is known about LMMs.

Objective: To describe the dermoscopic features and find typical and schematic dermoscopic patterns in LMMs.

Methods: A retrospective dermoscopic study was conducted on 80 lesions with histopathologically proved LMMs.

Results: We described and defined, for the first time to our knowledge, landscape painting patterns found in 65 of 80 melanotic lesions (81.3%), characterized by parallel lines or circle lines, overlapping vessels with background brown pigmentation. The background brown pigmentations were observed in 74 of 80 lesions (92.5%), the parallel lines in 62 (77.5%), the circle lines in 20 (25.0%), and overlapping vessels in 69 (86.3%). The structureless black pigmentations were only presented in 26 of 80 (32.5%).

Conclusion: Dermoscopy can be useful for the clinical detection of LMMs, and “Landscape painting patterns” may represent a dermoscopic clue for the diagnosis of these lesions.
- Key Words -

Dermoscopy, Labial melanotic macules, Landscape painting patterns
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