| Type | Appearance | Common in | Cause / Notes | |------|------------|-----------|----------------| | | Flat, oval, tan to dark brown; size 0.5–2 cm. | Adults >40y, fair skin. | Chronic UV exposure. Often called "age spots" or "liver spots." | | Melasma | Irregular, light to dark brown patches; symmetrical. | Women (pregnancy, oral contraceptives). | Hormonal + UV. Rare on back but can appear on upper back/shoulders. | | Post-inflammatory hyperpigmentation (PIH) | Flat, brown spots where acne or eczema used to be. | Any age, especially acne-prone. | Healing leaves excess melanin. Very common on upper back ("backne" scars). | | Nevus (mole) | Brown, black, or skin-colored; flat or raised; round/oval. | All ages. | Congenital or acquired. Most are benign. Need to monitor for changes (ABCDE rule). |

¿Alguna vez te has mirado al espejo o has sentido picor y descubierto manchas en tu espalda que antes no estaban? Es una situación más común de lo que crees. La piel de la espalda es gruesa, posee muchas glándulas sebáceas y está casi siempre cubierta por la ropa, lo que crea un ambiente propicio para diversas afecciones cutáneas.

The back hosts a wide range of spots: from harmless and seborrheic keratoses to treatable conditions like tinea versicolor and acne , and rarely, suspicious moles. While most back spots are benign, any changing or unusual lesion deserves professional evaluation. A simple rule: if it’s new, changing, or symptomatic – get it checked.

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