A biopsy may be needed.A skin tag is a small, soft, flesh-coloured non-cancerous skin growth. Signs to watch for in benign lentigines include a change in color or a change in the outline of the growth. Lentigines commonly occur on the upper trunk, face, neck, hands, and forearms. They are usually benign, but can change into a malignant skin growth called “lentigo maligna” (superficial melanoma). Lentigines: Hyperpigmented patches or macules that are pale tan to brown and look similar to moles.Dermatosis papulosa nigra: A skin condition involving hyperpigmented, keratotic plaques (similar to those seen in seborrheic keratosis and skin tags). The skin growths seen in dermatosis papulose nigra are common among the Black population treatment is not necessary unless the growths become irritated or itchy. Treatment may involve curettage, cryotherapy, or scissor (snip) excision. Once the inflammation subsides, excision is usually the mode of treatment. Cysts (epidermal inclusion): Flesh-colored, firm nodules with a small dome-shaped projection in the middle, called a punctum. The punctum is the opening of a hair follicle (which is where they arise from). Cysts do not require any type of treatment unless they rupture. A ruptured cyst may involve pain and inflammation and may need to be incised and drained. Other treatment modalities may include corticosteroids (for inflammation) and antibiotics (for infections).Pyogenic granulomas: Solitary, small nodules or papules that often appear on the face, lips, and fingers. These benign skin growths may develop quickly and are common during pregnancy. Treatment may involve laser ablation, curettage, or excision, but often this type of skin growth reoccurs.They may become irritated or cause pain as a result of cutting off the blood supply. Treatment may involve a minor excision procedure when these benign skin growths become bothersome. Skin tags (acrochordon): Flesh-colored or brown, soft papules usually found in the neck, under the arm, or in the groin.Sometimes a mole can be bluish-black colored, called a blue nevus, which is often mistaken for melanoma. Nevus (mole): A mole is a hyperpigmented or skin-colored raised papule or small plaque, derived from melanocytes (cells that produce melanin).They do not usually cause any symptoms, but if they compress a nerve, they can be painful. Note, when an infant has a lipoma over the sacrum area, it can be a sign of a spinal abnormality that would warrant further evaluation. If treatment is needed, it usually involves excision or liposuction. Lipomas: Soft, slow-growing fat tumors that can grow to 10 cm (3.9 inches) or larger.They appear as one or more patchy, red lesions that can be very itchy. The lesions may progress into solid raised tumors of the skin (called plaques). Lymphoma of the skin: There are different types of skin lymphomas, including T-cell lymphomas and mycosis fungoides.Kaposi sarcoma: Arises from cells that line lymph or blood vessels, can appear as skin tumors involving areas that form purple, red, or brown blotches or tumors on the inside of the mouth, or other areas of the body.Merkel cell carcinoma: A rare and dangerous, fast-growing type of skin cancer that is often difficult to treat. Merkel cell carcinoma often starts in sun-exposed areas of the skin, appearing like firm, pink, red, purple lumps or bumps on the skin that may open up as ulcers.
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