case_images: PMC9298961_01
case_images: Biopsy specimens of cutaneous tubercle of the right tibia. Photograph showing local degeneration and necrosis of subcutaneous fat( ), revealing lymphocytic infiltration( ) with irregular nuclear morphology and nuclear rupture in the fat lobules, being in line with changes in nodular panniculitis. Specific stain: Periodic Acid Schiff Diastase (PAS-D) (-), Alcian blue (AB) (-). Direct immunofluorescence assay: IgG, C3, IgM, IgA (-).
case_images: fimmu-13-914265-g001.jpg
case_images: PMC9298961_01_fimmu-13-914265-g001.jpg
case_images: f1
case_images: The pathological biopsy of the subcutaneous nodules indicated nodular panniculitis ( Figure 1 ).
case_images: Bone marrow smears showing hematopoietic cells ( ) and increased reticulocytes.
case_images: fimmu-13-914265-g002.jpg
case_images: PMC9298961_01_fimmu-13-914265-g002.jpg
case_images: f2
case_images: Hemophagocytic cells were found in bone marrow aspiration ( Figure 2 ).
case_images: Clinical course and laboratory examination. IVIG, immu-noglobulin. (MP1 80-40mg daily, MP2 60-28mg daily, MP3 500-40mg daily, MP4 500-20mg daily, MP5 20-1mg daily).
case_images: fimmu-13-914265-g003.jpg
case_images: PMC9298961_01_fimmu-13-914265-g003.jpg
case_images: f3
case_images: The abnormal laboratory findings all returned to normal ( Figure 3 ).