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In this post we would learn some of the Skin neoplasms Benign neoplasms 1. Callus: - Increased growth of cells in the layer of horny of the epidermis dueto pressure or friction. The common sites are the feet and the hands. The type of callus that develops a hard core which   is a whitish, corn-like central kernel is called a corn. 2. Keloid: - Hypertrophied, thickened scar after trauma or surgical incision. These occur from excessive collagen formation in the corium during connective tissue repair. Here kelis means a blemish which comes from the Greek word. 3. Keratosis: - Area of the epidermis which is thickened. Due to excessive exposure to light or actinic keratosis, some keratosis appear red. Seborrhcic keratoses look yellow or brown and are also called senile warts. These both types occur in middle age and old age. 4. Leukoplakia: - On mucous membrane tissue of the tongue or cheek, there appears white, thickened patches. This is a precancerous lesion. This may ...

In this post we would learn some more lesions. 8. Scabies: - A parasitic, contagious infection of the skin with intense pruritus. Scabies is often spread through commonly affected and sexual contact, areas are the penis, groin, nipples and skin between the fingers. The treatment for this is topical medicated cream to destroy the scabies mites (tiny parasites). 9. Scleroderma: - A chronic progressive disease of the skin with hardening and shrinking of connective tissue. Fibrous scar tissue infiltrates the skin and heart, lungs, kidney, and esophagus may be affected as well. Skin is thickened, hard, and rigid, and pigmented patches may occur. Etiology is not known so much; palliative treatment consists of drugs, such as immunosuppressives and anti-inflammatory agents, and physical therapy. 10. Systemic lupus erythematosus (SLE): - This is the chronic inflammatory disease of collagen in the skin, of joints, and of internal organs. Lupus means wolf-like; physicians thought the ...

In this post we will learn in further 2. Burns: - Injury to tissues caused by contact of heart. The examples are dry heat (fire), moist heat (steam or liquid), chemicals, electricity, radiation or lightning. These burns are classified into three types. First-degree burns: - These burns are superficial epidermal lesions, erythema, blisters, and hyperesthesis are the first-degree burns examples. Sunburn is an example of this type of burns. Second-degree burns: - These burns are epidermal and dermal lesions, erythema, blisters and hyperesthesia. Third-degree burns: - These burns of which epidermis and dermis are destroyed (necrosis of skin), and subcutaneous layer is damaged leaving charged while tissue. 3. Eczema: - The skin disease of inflammatory with erythematous, papulovesicular lesions. This chronic or acute dermatitis is often accompanied by pruritus and may occur without any obvious cause. It is a common allergic reaction in children and also occurs in adults. Allerg...

In this post we are going to learn some more lesions. 11. Ecchymosis: - On the skin a bluish-black mark (macule) present. Ecchymoses(in which ec- means out, chym/o means to pour) into the skin from injury which are caused by the hemhorrhages or spontaneous leaking of blood from vessels. The plural of Ecchymosis is Ecchymoses. 12. Petechia: - It is a small, pinpoint hemorrhage. Petechiae are smaller versions of ecchymoses. The plural of petechia is petechiae. 13. Pruritus: - This means itching. Pruritus is associated with most forms of dermatitis and with other conditions as well. It arises as a result of stimulation of nerves in the skin by enzymes released in allergic reactions or by irritation caused by substances from the blood or from foreign bodies. 14. Purpura: - Merging ecchymoses and petechiae over, any part of the body. 15. Urticaria (hives): - It is an acute allergic reaction in which red, round wheals develop on the skin. Pruritus may be intense, and etiol...

In this post we are going to learn about cutaneous lesions. Then what is cutaneous lesions? The damaged tissue area caused by disease or trauma is called a lesion. The terms 1. Cyst, 2. Fissure, 3. Macule, 4. Papule, 5. Polyp, 6. Pustule, 7. Ulcer, 8. Vesicle, 9. Wheal are the terms to describe common skin lesions. Let us learn about them briefly. 1. Cyst: - A Cyst is defined as a thick-walled, closed sac or pouch containing fluid or semisolid material. Examples of Cysts are 1. Pilonidal cyst, which is found over the sacral area of the back in the midline and contains hairs (in which pil/o means hair, nid/o means nest); and sebaceous cyst, which is a collection of yellowish, cheesy sebum commonly found on the scalp, vulva, and scrotum. 2. Fissure: - A fissure is a groove or crack-like sore. An anal fissure is abreak in the skin lining and anal canal. 3. Macule: - A macule is a discolored falt lesion or often reddened. The examples of this macule are freckles, tatt...