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Sebaceous adenoma

Sebaceous hyperplasia; Hyperplasia - sebaceous; Adenoma - sebaceous

A sebaceous adenoma is a noncancerous tumor of an oil-producing gland in the skin.

Information

A sebaceous adenoma is a small bump. There is usually only one, and it is usually found on the face, scalp, belly, back, or chest. It may be a sign of a serious internal disease.

If you have several small bumps of the sebaceous glands, this is called sebaceous hyperplasia. Such bumps are usually are harmless and often found on the face. They are not a sign of serious disease. They are more common with age. They may be treated if you do not like how they look.

References

Duvic M. Urticaria, drug hypersensitivity rashes, nodules and tumors, and atrophic diseases. In: Goldman L, Schafer AI, eds. Goldman's Cecil Medicine. 24th ed. Philadelphia, PA: Elsevier Saunders; 2011:chap 448.

Habif TP, ed. Cutaneous manifestations of internal disease. Clinical Dermatology. 5th ed. St. Louis, MO: Elsevier Mosby; 2009:chap 26.

Neff AG, Carter KD. Benign eyelid lesions. In: Yanoff M, Duker JS, eds. Ophthalmology. 4th ed. St. Louis, MO: Elsevier Saunders; 2014:chap 12.9.

    • Sebaceous adenoma

      Sebaceous adenoma - illustration

      Sebaceous adenomas are small, yellow bumps containing sweat glands which are usually found on the face.

      Sebaceous adenoma

      illustration

    • Hair follicle sebaceous gland

      Hair follicle sebaceous gland - illustration

      Each pore on the surface of the skin is an opening to a canal called a follicle. The follicle also contains a hair and an oil gland (sebaceous gland). The oil gland helps remove old skin cells, keeps the skin lubricated, and prevents drying of tissues.

      Hair follicle sebaceous gland

      illustration

      • Sebaceous adenoma

        Sebaceous adenoma - illustration

        Sebaceous adenomas are small, yellow bumps containing sweat glands which are usually found on the face.

        Sebaceous adenoma

        illustration

      • Hair follicle sebaceous gland

        Hair follicle sebaceous gland - illustration

        Each pore on the surface of the skin is an opening to a canal called a follicle. The follicle also contains a hair and an oil gland (sebaceous gland). The oil gland helps remove old skin cells, keeps the skin lubricated, and prevents drying of tissues.

        Hair follicle sebaceous gland

        illustration

      Review Date: 11/2/2014

      Reviewed By: Linda J. Vorvick, MD, Medical Director and Director of Didactic Curriculum, MEDEX Northwest Division of Physician Assistant Studies, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.

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