Nail Disorders secondary to Systemic Diseases Nail Fold Abnormality • SLE • Scleroderma • Dermatomyositis Koilonychia - Spoon-shaped • Iron deficiency anemia Onycholysis - Plate Separating from Bed • Hyperthyroidism Beau's Lines - Horizontal Grooves • Any systemic disease severe enough to transiently halt nail growth (e.g.. shock, malnutrition) Blue Discoloration • Medications • Wilson's disease • Silver poisoning • Cyanosis Red Discoloration - Splinter hemorrhages (dark red, thin lines, usually painful • Bacterial endocarditis • Trauma Terry's Nails - Proximal 90% (White discoloration) • Liver cirrhosis • Congestive heart failure • Diabetes Mellitus Half-and-Half Nails (50%) (White discoloration) • Chronic renal failure • Uremia Muehrcke's Lines - Transverse lines (White discoloration) • Nephrotic syndrome #NailDisorders #Systemic #Secondary #dermatology #Differential #Diagnosis #Algorithm #causes
