Macule
Macule is a term used in dermatology to describe a certain type of skin lesion. It is defined as a flat, nonpalpable lesion with color change, up to 1 cm in size. When a macule is larger than 1 cm, it is referred to as a patch. Macules are one of the primary lesions, along with papules, nodules, tumors, vesicles, bullae, pustules, cysts, wheals, and telangiectasias.
Causes[edit | edit source]
Macules can be caused by a wide variety of conditions, including infections, allergic reactions, autoimmune diseases, and cancers. Some common causes include melanoma, lentigo, freckles, café-au-lait spots, and petechiae.
Diagnosis[edit | edit source]
The diagnosis of a macule is usually made by visual inspection. The color, size, shape, and location of the lesion can provide clues to its cause. In some cases, a biopsy may be needed to confirm the diagnosis and rule out more serious conditions.
Treatment[edit | edit source]
The treatment of macules depends on the underlying cause. In some cases, no treatment is needed and the macule will resolve on its own. In other cases, treatment may include topical medications, systemic therapies, or surgical removal.
See also[edit | edit source]
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Contributors: Prab R. Tumpati, MD
