نتایج جستجو برای: epidermal nevus
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Epidermal nevi are cutaneous hamartomas developing from ectoderm and one of their types is verrucous epidermal nevus. During the neonatal period, they are pink or slightly pigmented and velvety. Later, they darken and the surface become more warty. When lesions are distributed on one side of body, it is termed nevus unis lateralis. Lymphangioma is a lymphatic malformation which manifests with f...
Several skin conditions have been reported to occur on epidermal nevi, but it seems that co-occurrence of a vascular lesion and an epidermal nevus is a very rare phenomenon. Herein, a 17- year- old female patient who had presented with skin lesions on her thigh since 4 years ago has been reported. The lesions were two oval plaques consisted of multiple brown- tinted, hyperkereratotic papu...
Linear epidermal nevi frequently follow the lines of Blaschko and may be confused with the verrucous stage of incontinentia pigmenti. Inflammatory epidermal nevus appears as a line array of pink to red papules usually on the lower limb (Buttock and hip) clinically resembling psoriasis or eczematous dermatitis. But inflammatory epidermal nevus has distinct histopathologic features. We report a c...
Vitiligo, an autoimmune disorder, is known to co-localize with other immunological disorders like lichen planus and psoriasis. However, there are no reports regarding the co-localization of an autoimmune disorder (vitiligo) and a developmental disorder (verrucous epidermal nevus). We hereby present a 10-month-old infant who was visited for white patches on the right buttock and adjoining antero...
Aim. Secondary tumor rarely develops from epidermal nevus. We present a case of a metastasizing squamous cell carcinoma that developed in a solitary epidermal nevus. Case Report. An 82-years old Japanese female was presented with a red tumor on the left axilla. She reported that the tumor developed in a congenital epidermal nevus. A biopsy of the tumor showed that a well-differentiated squamous...
Verrucous epidermal nevi are hamartomatous lesions of the epidermis that, unlike other epidermal nevi (such as sebaceous nevus or nevus comedonicus), are rarely associated with malignant neoplasms. The majority of squamous cell carcinoma develop in linear or multiple epidermal nevus and rarely in solitary epidermal nevus. In general, the prognosis is favorable. We report a case of well-differen...
Nevus comedonicus is an uncommon variant of adnexal hamartoma and is considered a rare subtype of epidermal nevi. It was first described in 1895 by Kofmann who used the term “comedo-nevus”. It manifests as a group of closely dilated follicular openings with dark keratin plugs resembling comedones. Both unilateral and bilateral distributions are seen. The face is the most commonly affected site ...
Inflammatory linear verrucous epidermal nevus is a variant of verrucous epidermal nevus, characterized by recurrent inflammatory phenomena. Despite well-established clinical manifestations, the differential diagnosis between inflammatory linear verrucous epidermal nevus and linear psoriasis remains difficult. Clinical history, physical examination and histopathology analysis may not be sufficie...
epidermal nevus syndrome is a rare congenital disorder, characterized by epidermal nevi and multiple organ involvement. multicystic kidney disease has been very rarely reported in this syndrome. here is the report of a boy presented with multiple epidermal nevi, cardiac anomaly, seizure attack, hemi hypertrophy, and multicystic dysplastic kidney complicated with wilms' tumor. according to this ...
A malignant transformation is known to occur in many nevi such as a sebaceous nevus or a basal cell nevus, but a verrucous epidermal nevus has only rarely been associated with neoplastic changes. Keratoacanthoma, multifocal papillary apocrine adenoma, multiple malignant eccrine poroma, basal cell carcinoma and cutaneous squamous cell carcinoma (CSCC) have all been reported to develop from a ver...
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