Dowling-Degos disease (DDD) is a late-onset genodermatosis characterized by hyperpigmented macules on the flexures along with scattered comedo-like lesions and pitted acneiform scars. Follicular Dowling-Degos is a rare type of DDD, with only two reports so far. It presents with follicular papules and comedo-like lesions predominantly on the face and trunk. Dermoscopy of follicular DDD shows irregular star-shaped/Chinese letter pattern pigmentation along with comedo-like lesions. Herein, we describe diagnostic clues including dermoscopy in three patients of follicular DDD which can help in differentiating it from other disorders presenting with comedo-like lesions.
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| http://dx.doi.org/10.4103/ijd.IJD_260_18 | DOI Listing |
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Article Synopsis
- Diagnosis of cutaneous hypopigmentation can be challenging, but dermoscopy shows promise in distinguishing between various conditions like vitiligo and pityriasis alba.
- The study evaluated 168 patients to identify dermoscopic features unique to different hypopigmented conditions and assessed their diagnostic accuracy.
- Key findings included that certain patterns like starburst and micro-koebnerization are specific to vitiligo, while other conditions exhibited different patterns; overall, dermoscopy was most effective for conditions such as nevus depigmentosus and pityriasis alba, showing high sensitivity rates.
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