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confluent, reticulated, dermatosis, minocycline, topical
Confluent and reticulated papillomatosis of Gougerot and Carteaud (CRP) is a rare dermatosis with many proposed etiologies. Patients typically present with hyperpigmented papules on areas such as their back, chest, abdomen, and axilla which coalesce centrally and form reticular patterns peripherally. CRP is typically recalcitrant to therapy, making it difficult to treat. We report a case of a middle-aged Black woman with a rash on the center of her chest, extending beneath her inframammary folds. The patient was diagnosed with CRP clinically. Due to her concerns regarding oral antibiotics, she was placed on minocycline topical 4% foam for one month. Concluding her therapy, we observed a complete resolution of plaques with residual hyperpigmentation. To date, this is the first report in the literature on the usage of topical minocycline for the treatment of CRP.
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