![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj0uCMGLf4ubHylrMqO7_TFqroOjAL5MVAIk4r38m5b0Bop6gWQ8dRHCYqCekbdJLtiG3S77yM3Dc0HWaWJw3m0XJYDUzuIU9rYj-mPnxzVvzSw7hOfj5Up5t-w55F5gVWk7AlMzt8RZdY/s400/hal.jpg)
A 34-year-old woman presented a Clark nevus (synonyms: atypical nevus or dysplastic nevus) on her back.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh6YXYzFKxeYcIlU32LSUtfL4FUH2JixFW6a_-BlW1wL4HYizJ97Gy0T-Ievk2trAem6AzVyNagrJrOsvOL-N2ThI5spTKWFb9XpzH4ovTAMxUhZ1MI-EIRzr9dK5pnb7Vvdasd_HqXFTg/s400/hal2.jpg)
Dermoscopy revealed an asymmetric reticular-globular pattern.
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Central globular pattern (circle) and reticular pattern (rectangle) are well seen on this picture.
The reticular-globular pattern is the most frequent of the different patterns observed in Clark Nevi.