Confluent and Reticulated Papillomatosis (Gougerot-Carteaud)

Confluent and reticulated papillomatosis (Gougerot-Carteaud) is brown hyperpigmented confluent/reticulated papillomatous patches on trunk/chest/back/neck in adolescents/young adults, from Corynebacterium/keratinization disorder. Treatment: oral antibiotics (minocycline/tetracycline); topical keratolytics (salicylic/urea); topical retinoids; antifungal (ketoconazole) if Malassezia; hygiene; weight management; follow-up dermatology; distinguish from acanthosis nigricans/tinea versicolor/extensive seborrheic keratosis.

Common Symptoms

Brown confluent/reticulated papillomatous patches; trunk/chest/back; adolescents

Causes and Pathogenesis

Corynebacterium/keratinization disorder causes papillomatous hyperpigmentation.

Treatment

Oral minocycline; topical keratolytics/retinoids; antifungal; hygiene

Preventive Measures

Hygiene; weight management; treat secondary infection.

Department to Visit

It is recommended to visit the Dermatology department; an appointment can be booked on this platform before the visit.

Warm reminder: The above information is for health science reference only and cannot replace professional medical diagnosis. If you have related symptoms, please seek medical attention at a regular hospital promptly.