Figure 2 Pathology of scleroderma renal crisis Figure 2 | Pathology of scleroderma renal crisis. The hallmark of scleroderma renal crisis is a proliferative, obliterative arteriolar vasculopathy with (a) hypertensive vascular damage, thrombotic vascular occlusion, glomerular ischaemic collapse, and diffuse tubular degeneration (b), onion skinning, and (c)intimal myoid accumulation and adventitial fibrosis. Parts a and c reproduced with permission from Hindawi Publishing Corporation © Batal, I. et al. Int. J. of Rheumatol. 2010, 543704 (2010). Part b reproduced with permission from Hindawi Publishing Corporation © Shanmugam, V. K. and Steen, V. D. Int. J. of Rheumatol., 2010, 538589 (2010). Parts a and c reproduced with permission from Hindawi Publishing Corporation © Batal, I. et al. Int. J. of Rheumatol. 2010, 543704 (2010). Part b reproduced with permission from Hindawi Publishing Corporation © Shanmugam, V. K. and Steen, V. D. Int. J. of Rheumatol., 2010, 538589 (2010). Woodworth, T. G. et al. (2016) Scleroderma renal crisis and renal involvement in systemic sclerosis Nat. Rev. Nephrol. doi:10.1038/nrneph.2016.124