Fig. 1

Chest X-ray showed bilateral infliltrates on admission (a upper). After starting PSL therapy on day 25, infiltrates were improved (b upper). Abnormal shadows on Chest X-ray disappeared 6 months after starting corticosteroid therapy (c upper). Chest CT showed consolidations on both lungs on admission (a lower) and the shadows were improved on day 25 after starting corticosteroid therapy (b lower). Six months after starting corticosteroid therapy, the consolidations disappeared (c lower)