Angiokeratoma, also known as angio-keratosis, is a skin disease characterized by capillary dilation in the upper dermis and hyperkeratosis of the epidermis. I. Causes and Pathogenesis The causes and p
Spider telangiectasia, also known as spider nevus, is an acquired benign vascular disease with an incidence of 10% to 15% in healthy adults and children. Most cases are unrelated to dermatological or
Telangiectasia refers to superficial skin blood vessels that are visible to the naked eye. 10% to 15% of adults and children have noticeable facial telangiectasia. I. Causes and Pathogenesis All types
Cherry Angioma (cherry angioma), also known as senile angioma, is a small localized red spot or papule composed of dilated blood vessels. I. Causes and Pathogenesis Currently, little is known about th
Cavernous Hemangioma (cavernous hemangioma) is a low-flow vascular malformation present at birth, also known as venous malformation. Most venous malformations are cavernous, hence the name. There is ongoing debate about the nature of cavernous hemangiomas, but recent research increasingly suggests they are congenital vascular anomalies.
Strawberry hemangiomas are common benign tumors in newborns, composed of capillaries and small veins. They appear within a month of birth, often growing rapidly before gradually regressing by age 5-9. Treatment may not be needed unless complications like ulcers or infections occur. Options include glucocorticoids, interferons, sclerotherapy, surgery, and lasers (PDL, Nd, dual-wavelength). Diagnosis relies on clinical presentation and can be confirmed with biopsies if unclear. Post-treatment care is essential to manage side effects and promote healing.
Port Wine Stain (PWS) , also known as nevus flammeus or capillary malformation, is a relatively flat and rarely raised plaque composed of dilated capillaries. It is a congenital capillary malformation.
The Basics of Acne: Causes and Triggers Acne is a common skin condition that affects millions of people worldwide, transcending age, gender, and ethnicity. Understanding its causes and triggers can he
Sometimes people get a permanent tattoo then later decide they no longer want it. Life situations change or maybe the tattoo just didn’t come out as hoped. Removing a tattoo isn’t as easy as it might
Skin atrophy striae, also known as stretch marks, are soft striae caused by skin expansion and associated with the weakening of elastic fibers in the skin. They are often seen in individuals who exper
Hypopigmented scars are not caused by structural or functional defects of primary melanocytes, but are secondary hypopigmented diseases at the site of acquired inflammation. I. Etiology and pathogenes
Vitiligo is a common skin disease that occurs in the skin and mucous membranes and is characterized by local or generalized depigmentation, which mainly affects beauty. I. Etiology and pathogenesis Th
Pigmentation that occurs after acute or chronic inflammation of the skin is called post-inflammatory pigmentation. 1. Etiology and pathogenesis Common causes of post-inflammatory pigmentation include:
Chloasma is a pigmentation spot that occurs frequently on the cheeks and forehead of women of childbearing age. It is generally symmetrically distributed and can exist for a long time or develop chron
Solar lentigo, also known as senile lentigo, refers to a clearly demarcated pigmented skin disease caused by natural or artificial ultraviolet radiation. This disease is prone to occur in sun-exposed
Seborrheic keratosis, also known as senile warts, senile plaques, and basal cell papilloma, is the most common benign skin tumor in clinical practice. It is common in middle-aged and elderly people be
Becker's nevus, also known as pigmented hairy epidermal nevus, mostly occurs after birth, is more common in males, and often appears on the shoulders. Clinically, it presents as a slightly elevated pi
Coffee spots Café-au-lait spots, also known as cafe-au-lait spots, are light brown patches that can be found at birth. The color of coffee spots ranges from light brown to dark brown, but each piece i
Lentigo refers to brown or black spots on the skin or mucous membranes. It can occur at the junction of skin and mucous membranes or on the conjunctiva of the eye. This condition is common, presenting
Freckles are small brown spots primarily scattered on the face. They become more prominent in summer due to strong sunlight. The name "freckles" might come from the scattered brown spots on sparrow eg
Blue nevus is also called benign mesenchymal melanoma, blue nerve nevus, pigment cell tumor, melanin fibroma, benign mesenchymal melanoma or Jadassohn-Tieche blue nevus, etc. It is a benign tumor comp
A pigmented nevus is a benign neoplasm composed of nevus cells, also known as nevus cell nevus, cellular nevus, and melanocytic nevus. This condition is common and almost everyone has it. It can occur
Nevus of Ito was first reported by Ito in 1954, hence the name. Nevus of Ito is a pigmented lesion that occurs in the distribution areas of the posterior supraclavicular nerve and the lateral brachial
Mongolian spots, also known as birthmarks, are congenital dermal melanocytosis. Because babies are born with them, they are also called moles. Histologically, melanocytes can be seen staying deep in t