Negative results of patch testing with standard and textile series in a case of annular lichenoid dermatitis of youth

Annular lichenoid dermatosis of youth: Report of the first Japanese case and published work review

“…The cause is unknown; neither triggers nor specific disease associations have been noted. Patch‐testing with standard and textile series performed in one patient proved negative 2 . In one case, the role of anti‐hepatitis B immunization was raised 8 .…”

Annular Lichenoid Dermatitis of Youth: Report of Six New Cases with Review of the Literature

“…An additional 15 patients have been described since [2,3,4,5,6,7,8,9,10,11]. Table 1 summarizes all cases reported in the literature after the initial description.…”

“…ALDY consistently manifests with solitary or multiple annular patches or plaques located predominantly on the flanks and groin that may extend to the abdomen and more rarely on the axillary region or the neck. Lesions may or may not be distributed in a bilateral and symmetrical fashion [1,2,3,4,5,6,7,8,9,10,11]. …”

“…Differential diagnosis included primarily morphea [14] and mycosis fungoides, mostly the hypopigmented variant [1,2,3,4,5,6,7,8,9,10,11,15,16,17,18,19,20,21], as well as the recently described variant named hypopigmented interface T cell dyscrasia [22]. Interestingly, hypopigmented mycosis fungoides has been reported in pediatric and young patients, especially in females with darker skin types [15,16,17,18,19,20,21].…”

“…Since the initial description, other cases have been reported. In this study we describe the clinical and histological features of six new patients with ALDY and review all cases published after the initial description [2,3,4,5,6,7,8,9,10,11]. …”