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Fig. 4 | Pediatric Rheumatology

Fig. 4

From: Infrared thermography in children: a reliable tool for differential diagnosis of peripheral microvascular dysfunction and Raynaud’s phenomenon?

Fig. 4

analysis of distal-dorsal difference (DDD) showing the different recovery pattern in controls and in subjects with PRP, SRP and acrocyanosis. PRP patients present smaller DDD at baseline compared to SRP and acrocyanosis; furthermore, during the final part of test a gradual reduction of DDD is observed in both PRP and SRP patients. In particular, in PRP subjects the temperature of DIPs reaches higher levels than basal after 10 min from cold challenge and DDD becomes negative. In acrocyanosis DDD did not show any change during the whole re-warming period (a right hand, b left hand) (p < 0.05)

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