PMC7532303_01
The trunk (A and B) and palm (C) of the hand covered in urticarial rash observed in a Schnitzler syndrome patient during treatment with tocilizumab.
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On admission, his physical examination revealed peripheral lymphadenopathy and urticaria which covered his extremities, trunk, palms and soles (Figure 1).
Whole-body bone scintigraphy (99mTc- methylene diphosphonate) in a Schnitzler syndrome (SchS) patient. Arrows indicate an increased radiotracer uptake.
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The whole-body bone scintigraphy (99mTc-methylene diphosphonate) showed an increased uptake of radiotracer localisers in the ribs, in the right iliac bone, in the vertebrae (thoracic region) and in the distal part of the left femur (Figure 2).