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    8 results match your criteria Congenital Dermal Melanocytosis Mongolian Spot

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    Halolike Phenomenon Around a Café au Lait Spot Superimposed on a Mongolian Spot.
    Pediatr Dermatol 2017 May;34(3):e152-e153
    Division of Dermatology, Department of Experimental, Diagnostic and Specialty Medicine, Bologna, Italy.
    An 8-month-old Caucasian infant with neurofibromatosis type 1 presented with a congenital plexiform neurofibroma and multiple café au lait spots. A pale area surrounded one of the café au lait spots located on the left gluteus in the area of dermal melanocytosis. This halolike phenomenon results from the disappearance of the Mongolian spot around the café au lait spots, revealing normal pigmented skin. Read More

    Extensive and Progressing Congenital Dermal Melanocytosis Leading to Diagnosis of GM1 Gangliosidosis.
    Pediatr Dermatol 2015 Nov-Dec;32(6):e294-5. Epub 2015 Sep 4.
    Department of Dermatology, Massachusetts General Hospital, Boston, Massachusetts.
    Congenital dermal melanocytosis (CDM) is a birthmark composed of macular blue-grey hyperpigmentation commonly observed in the lumbosacral region of infants. Generally resolving by childhood, it is traditionally considered a benign condition, but it may be a sign of underlying lysosomal storage disease. We report a case of biopsy-confirmed CDM in a 2-month-old girl of Brazilian descent later diagnosed with infantile GM1 gangliosidosis. Read More

    Melanoma arising in a nevus of Ito: novel genetic mutations and a review of the literature on cutaneous malignant transformation of dermal melanocytosis.
    J Cutan Pathol 2016 Jan 21;43(1):57-63. Epub 2015 Sep 21.
    Department of Pathology, Brigham & Women's Hospital, Boston, MA, USA.
    Dermal melanocytosis refers to a spectrum of benign melanocytic proliferations that includes Mongolian spot, nevus of Ota and nevus of Ito. These lesions most commonly occur in persons of Asian or African descent and are often present at birth or develop during childhood. Very rarely, dermal melanocytoses undergo malignant transformation. Read More

    An unusual case of congenital dermal melanocytosis.
    Ann Dermatol 2010 Nov 5;22(4):460-2. Epub 2010 Nov 5.
    Department of Dermatology, College of Medicine, Soonchunhyang University, Seoul, Korea.
    Dermal melanocytosis is characterized by the presence of ectopic melanocytes in the dermis. The most common forms include the Mongolian spot, blue nevus, nevus of Ota, and nevus of Ito. Some types of dermal melanocytosis do not fit into any of these morphologic categories, however. Read More

    Late-onset Ito's nevus: an uncommon acquired dermal melanocytosis.
    J Cutan Pathol 2007 Aug;34(8):640-3
    Department of Dermatology, Fundación Jiménez Díaz, Universidad Autónoma, Madrid, Spain.
    Dermal melanocytoses comprise a variety of congenital and acquired conditions characterized by a sparse population of intradermal dendritic, variably pigmented, spindle-shaped melanocytes. While Mongolian spot, Ota's and Ito's nevi are usually present at birth or appear around puberty; acquired dermal melanocytoses that appear in adult life are extremely rare. They include the facial lesions of acquired bilateral nevus of Ota-like macules, also named Hori's nevus, and the acquired unilateral nevus of Ota, also known as Sun's nevus. Read More

    Dermal melanocytosis: a clinical spectrum.
    Australas J Dermatol 1996 Feb;37(1):19-25
    Dermatology Centre, Liverpool Hospital, New South Wales, Australia.
    While most dermal melanocytoses are congenital or have an onset in early childhood, there is a group which is clearly acquired, with an onset in adult life. While the Mongolian spot typically disappears in childhood, other dermal melanocytoses persist for life. A brief review of the clinical spectrum of the dermal melanocytoses is undertaken and three illustrative cases are described: a case of congenital naevus of Ota, a case of acquired bilateral naevus of Ota-like macules, and an unusual case of a congenital dermal melanocytotic lesion on the left had which began to spread in adulthood. Read More

    Plaque-type blue nevus on the face: a variant of Ota's nevus?
    J Am Acad Dermatol 1994 May;30(5 Pt 2):849-51
    Department of Dermatology, National Taiwan University Hospital, Taipei.
    We describe a plaque-type blue nevus that had been present since birth on the right cheek of a 22-year-old man. It was characterized by several dark blue macules and papules with intervening areas of faint blue discoloration. Histologic examination showed a common blue nevus and a mongolian spot-like dermal melanocytosis in the dark blue and intervening faint blue pigmentary lesions, respectively. Read More

    Congenital segmental dermal melanocytosis in an adult.
    Arch Dermatol 1992 Apr;128(4):521-5
    Department of Dermatology, University Hospital of San Carlos, Madrid, Spain.
    Background: Dermal melanocytosis is characterized by the presence of melanocytes in the dermis. There are several morphologic forms, such as the blue nevus, the mongolian spot, the nevus of Ota, and the nevus of Ito. In this article, we report an unusual case of dermal melanocytosis. Read More

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