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Molluscum contagiosum surrounded by halo: A halo phenomenon?
( Dong Ha Kim ) , ( Jae Hwa Kim ) , ( Yu Ri Woo ) , ( Young Min Jo ) , ( Kyung Eun Jung ) , ( Dae Won Koo ) , ( Joong Sun Lee )
프로그램북 67권 1호 472-472(1pages)
UCI I410-ECN-0102-2015-500-002007210
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Halo nevi (HN), also known as Sutton nevi or leukoderma acquisitum centrifugum, are nevomelanocytic nevi surrounded by a rim of depigmentation. The appearance of a halo correlates with the onset of nevus regression and ultimately leads to complete disappearance of the nevus, leaving behind a depigmented macule. A 9-year-old female presented with asymptomatic solitary flesh colored 0.75cm sized with a papule surrounded by depigmentation on Rt. cheek 1 month ago. The excisional biopsy demonstrated molluscum contagiosum and decreased basal layer pigmentation on Fontana masson stain. Halo phenomenon is often associated with an acquired nevus cell nevus, but has been reported with a congenital nevus cell nevus, neurofibroma, neuroid nevus, blue nevus, and malignant melanoma. A similar phenomenon has been observed in non-neuroectodermal lesions such as angiomas, seborrheic keratoses, lichen planus, sarcoid, psoriasis, involuting flat warts, and histiotytoma. Our patient had the unusual association of molluscum contagiosum with halo phenomenon. We suppose that the halo phenomenon in this patient might be provoked by mollusucum contagiosum virus, a virus. Halo nevus like appearance is considered that there is a possibility of other disease other than nevus, there is a need for skin biopsy to confirm.

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