in guideline Abnormality of the Kidney Renal Papillary Necrosis A complication of kidney diseases characterized by cell death involving kidney papilla in the kidney medulla. Damages to this area may hinder the kidney to concentrate urine resulting in polyuria. Sloughed off necrotic tissue may block kidney pelvis or ureter. Necrosis of multiple renal papillae can lead to kidney failure. Necrotising Renal Papillitis Kidney Papillary Necrosis Sufficient SCDO:0009445 http://www.ebi.ac.uk/efo/EFO_1001004 Papillary Necrosis Necrotizing Renal Papillitis Papillary Necrosis (Disorder) Renal Papillitis Necrotizing EFO:1001004 Recommendations for the Management of Sickle Cell Disease in South Africa National Guideline for the Control and Management of Sickle Cell Disease Standards for Clinical Care of Adults with Sickle Cell Disease in the UK Sickle Cell Disease: The Clinical Care Guidelines of the Sickle Cell Unit Consensus Statement on the Care of Patients with Sickle Cell Disease in Canada Sickle Cell Disease in Children, Standards and Guidelines for Clinic Care Evidence-Based Management of Sickle Cell Disease