Dermal Melanocytic Disorders
Abstract
:1. Introduction
2. Cases
2.1. Case 1: Bilateral Nevus of Ota or Aberrant Mongolian Spot
2.2. Case 2: Nevus of Ito or Aberrant Mongolian Spot
2.3. Case 3: Aberrant Mongolian Spot or Nevus of Ota with Co-Existing Congenital Melanocytic Nevus and Hemangioma
2.4. Case 4: Nevus of Ito or Aberrant Mongolian Spot
3. Discussion
3.1. Mongolian Spot and Aberrant Mongolian Spot
3.2. Nevus of Ota
3.3. Nevus of Ito
3.4. Discussion on Our Cases
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Disease | Mongolian Spot | Aberrant Mongolian Spot | Nevus of Ota | Nevus of Ito |
---|---|---|---|---|
Site of involvement | Sacrococcygeal area | Extrasacral area including face, extremities and trunk | Face and orbits in a unilateral trigeminal nerve distribution | Neck, supraclavicular and scapular area |
Sclera involvement | - | Rare | In two-thirds | - |
Onset | Congenital | Congenital | Congenital, early childhood or puberty | Congenital, early childhood or puberty |
Epidemiology | Asian, African, and Hispanic population | Asian, African, and Hispanic population | Asian female | Asian female |
Pathology | Diffusely spread spindle-shaped melanocytes in the lower dermis | Diffusely spread spindle-shaped melanocytes in the lower dermis | Evenly spread spindle-shaped melanocytes throughout the entire dermis | Evenly spread spindle-shaped melanocytes throughout the entire dermis |
Melanocyte density | Sparsely found in the deeper dermis | Sparsely found in the deeper dermis | Increased in the epidermis; Scattered in the upper and mid dermis | Increased in the epidermis; Scattered in the upper and mid dermis |
Course | Mostly regress during childhood | Often regress during childhood but may persist into adulthood | Persistent | Persistent |
Malignant transformation | None | None | Rare | Rare |
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Han, Y.; Lee, S.-H.; Cho, M.; Cho, S.-H.; Lee, J.-D.; Woo, Y.-R.; Kim, H.-S. Dermal Melanocytic Disorders. Dermato 2021, 1, 35-42. https://doi.org/10.3390/dermato1020006
Han Y, Lee S-H, Cho M, Cho S-H, Lee J-D, Woo Y-R, Kim H-S. Dermal Melanocytic Disorders. Dermato. 2021; 1(2):35-42. https://doi.org/10.3390/dermato1020006
Chicago/Turabian StyleHan, Yujin, Se-Hoon Lee, Minah Cho, Sang-Hyun Cho, Jeong-Deuk Lee, Yu-Ri Woo, and Hei-Sung Kim. 2021. "Dermal Melanocytic Disorders" Dermato 1, no. 2: 35-42. https://doi.org/10.3390/dermato1020006
APA StyleHan, Y., Lee, S. -H., Cho, M., Cho, S. -H., Lee, J. -D., Woo, Y. -R., & Kim, H. -S. (2021). Dermal Melanocytic Disorders. Dermato, 1(2), 35-42. https://doi.org/10.3390/dermato1020006