Achromic naevus. Naevus depigmentosus - DermNet
Achromic naevus is an uncommon birthmark (naevus) characterised by a well-defined pale patch. This is usually several centimetres in diameter, with an irregular but well-defined border. Shape and size varies. Often, smaller hypopigmented macules …
Nevus depigmentosus - Wikipedia
Nevus depigmentosus is a loss of pigment in the skin which can be easily differentiated from vitiligo. Although age factor has not much involvement in the nevus depigmentosus but in about 19% of the cases these are noted at birth. Their size …
Hypopigmented Patches - Dermatology Advisor
2024年4月1日 · Nevus depigmentosus (ND) is a well-circumscribed hypomelanosis that presents at birth or in early childhood. 1 ND can present as a small isolated circular patch or may develop in a unilateral segmental distribution.
Dermoscopy of achromic naevus
Achromic naevus, also called naevus depigmentosus or hypochromic naevus, is a pale (hypopigmented) birthmark due to an abnormal clone of melanocytes with an impaired ability to transfer melanosomes to keratinocytes.
How Does Nevus Depigmentosus Occur? - iCliniq
2023年2月6日 · Nevus depigmentosus occurs due to abnormal melanosome (melanin-containing granule) transfer that causes a decrease in keratinocytes. It also occurs due to a reduction in the number of melanosomes in melanocytes.
Nevus depigmentosus, causes, diagnosis & treatment - Health Jade
Nevus depigmentosus also called non-pigmented nevus, nevus achromicus or achromic nevus, is an uncommon birthmark (congenital nevus) characterized by a well-defined pale patch.
Hypopigmented and Depigmented Lesions: Nevus depigmentosus and Nevus ...
Nevus depigmentosus is a birthmark that presents as a hypopigmented macule or patch, measuring a few centimeters in diameter and with well-defined but irregular borders. It is most common on the trunk but can appear anywhere.
Depigmented nevus - Altmeyers Encyclopedia - Department …
2022年6月22日 · Rare, congenital, usually solitary, rarely multiple, white patches of the skin caused by an isolated transfer defect of melanosomes into keratinocytes. The number of melanocytes is usually normal. This section has been translated automatically. A distinction is made between: Naevus depigmentosus simplex type I < 10 cm in diameter.
Background: Nevus depigmentosus (ND) is known to be a rare congenital, nonprogressive disorder characterized by a hypopigmented lesion that remains stable over time. There have been only few studies of clinical and histopathologic characteristics of ND, and the etiopathogenesis is not fully established.
Nevus Depigmentosus: Clinical Features & Therapy —Viquepedia
Nevus depigmentosus (also called achromic nevus) is a well circumscribed area of hypopigmentation that may occur as a small isolated, circular or rectangular patch, or develop in a unilateral segmental distribution or follow the lines of Blaschko.
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