Cysts that form in the epidermis of the skin often present as skin-colored nodules see an image here.
Infectious: The skin is colonized by a bacterium known as Staphylococcus aureus.Inflammatory causes of upper leg bumps include the following. Acquired: There can also be acquired conditions or situations that cause irritation or occlusion to the follicles, causing them to become inflamed and form painful bumps on the skin.This is a condition known as keratosis pilaris. Inherited: There can be inherited conditions that cause abnormal formation of the follicles resulting in multiple, small lesions that can look like a rash.In addition to lesions forming in the different layers of the skin, the hair follicles are also a nidus, or site of origin, for the development of bumps in the upper legs and other parts of the body. Many of the causes of upper leg bumps affect these skin layers and can be categorized into the following groups: Follicular See this image here for a visual representation of the layers of the skin. It acts as a shock absorber and insulator and produces hormones like vitamin D when the skin is exposed to sunlight. Subcutaneous layer: This is the deepest layer of skin which contains fat and connective tissue.It contains a network of tough but elastic collagen fibers that make the skin strong but also stretchy and a network of nerves and blood vessels that allow passage of nutrients and oxygen. Dermis: This is the middle layer of the skin.It contains specialized cells responsible for pigmentation of the skin (melanocytes), protecting the skin (Langerhans cells) and allowing the skin to feel pressure (Merkel cells). Epidermis: This is the outermost layer of the skin visible to the eye.The skin is the largest organ of the body and has three layers known as: doi:10.Many of the causes of upper leg bumps have a dermatologic component and affect aspects of the skin and hair follicles. Ranmuthu CKI, Hall PN, Funston G, Walter FM. The role of inflammation in the pathology of acne. Therapeutic plasma exchange in renal disorders. doi:10.1056/nejmcp1103641įairview Patient Education Petichiae (child). Diagnosis and treatment of lichen planus. Tracz ES, Al-jubury A, Buchmann K, Bygum A. Atopic dermatitis in children: clinical features, pathophysiology, and treatment. Purpuric and petechial rashes in adults and children: initial assessment. Pityriasis rosea: diagnosis and treatment. Diagnosis and management of pityriasis rosea. British Association of Dermatologists' guidelines for the management of contact dermatitis 2017. Johnston GA, Exton LS, Mohd Mustapa MF, et al. Heat rash, sun rash-what's the difference?.Īmerican Osteopathic College of Dermatology. Does your child have a heat rash? Cool it down-here's how. Journal of the American Academy of Dermatology. Disparities in dermatology educational resources.
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How to treat acne in skin of color.Įbede T, Papier A.
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