Dilaporkan kasus psoriasis inversa pada anak usia 5 tahun. Diagnosis ditegakkan berdasar anamnesis adanya bercak kemerahan pada lipat paha dan ketiak kanan dan kiri yang kronik residif. Pemeriksaan fisik didapatkan plak eritematosa berbatas tegas dengan skuama putih keperakan, tanda Auspitz dan fenomena tetesan lilin positif. Pemeriksaan histopatologi menyokong diagnosis psoriasis. Pengobatan dengan kortikosteroid topikal dikombinasi dengan liquor carbonis detergens dan asam salisilat memberikan respon baik.

    A case of  inverse psoriasis on 5 year old child is reported. Diagnosis was established based on the presence of chronic residive erythemathous patches on groin and both axillar folds on anamnesis. Well defined erythematous plaques with silvery white scales were found, Auspitz sign and kaartsevlek phenomen on were positive on physical examination. Histopathologic examination supported the diagnosis of psoriasis. Combination of topical corticosteroid, liquor carbonis detergens and salicylic acid were given on treatment and showed good respon.