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1. 皮膚の良性病変の概要overview of benign lesions of the skin [show details]
… cyst wall consists of stratified squamous epithelium similar to skin surface or infundibulum of hair follicles. The cavity is filled with laminated layers of keratinous material. In ruptured cysts, a foreign-body … vellus hair cysts) Vascular tumors (cherry hemangioma , pyogenic granuloma) Tumors of subcutaneous fat (lipoma , angiolipoma ) Glomus tumor Melanocyte proliferations (melanocytic nevi,…
2. 後天性色素性母斑（ほくろ）acquired melanocytic nevi moles [show details]
… accompanied by red hair, also tend to have fewer nevi than children with dark hair . The diagnosis of a nevus is based upon the clinical appearance, as described below. Melanocytic nevi with atypical features …
3. 先天性色素性母斑congenital melanocytic nevi [show details]
… melanocytic nevi, CMN tend to extend deeper into the dermis and subcutaneous tissues . Melanocytes in CMN more often track along or within neurovascular and adnexal structures (eg, hair follicles, sebaceous …
4. 色素細胞性母斑（ほくろ）以外の良性色素性皮膚病変benign pigmented skin lesions other than melanocytic nevi moles [show details]
… hypertrichosis with laser-assisted hair removal. In normal skin, only melanocytes in the epidermis and hair follicles produce melanin.… melanocytic nevi (moles) are common in children and adolescents. Benign pigmented skin lesions, including lentigines, cafe-au-lait macules, Becker nevi, and dermal melanocytoses (Mongolian spots, nevus of Ota…
5. 顔面病変のダーモスコピーdermoscopy of facial lesions [show details]
… targetoid hair follicles, white structureless areas, a central mass of keratin, and ulceration. The differential diagnosis of raised or nodular lesions on the face, which includes dermal nevus and nodular …