| Some patients never develop the full classical triad of hyperpigmentation, hypotension, and hyponatraemia. |
| A focal area of hyperpigmentation with an associated crusted lesion was over the left midclavicular area. |
| Their clinical symptoms were primarily hyperkeratosis and hyperpigmentation, which are well-recognized signs of arsenicalism. |
| A series of peels is usually recommended to achieve visible results on acne, acne scars, hyperpigmentation, melasma and photodamage. |
| This iatrogenic hyperpigmentation is associated with lipofuscin rather than melanin deposits. |
| Physical examination revealed a blue-gray hyperpigmentation of the forehead, cheeks, nose, malar regions and chin. |