​What is Nephrology - What are some of the most common extrarenal signs of kidney disease?

​What is Nephrology - What are some of the most common extrarenal signs of kidney disease?
Dermatologic 
• Musculoskeletal Symptoms and/or Arthritis
• Henoch-Schönlein purpura
 • Cryoglobulinemia 
• Sarcoidosis 
• Amyloidosis 
• Multiple myeloma 
• Gouty nephropathy 
• Hemoptysis 
• Acute kidney damage with community-acquired pneumonia A nephropathy is a disease that affects the kidneys. Antibody against Neutrophil Cytoplasm (ANCA) -related thrombosis and vasculitides: Granulomatosis with polyangiitis (formerly known as Wegener granulomatosis); eosinophilic granulomatosis with polyangiitis (previously known as Churg-Strauss disease); microscopic polyangiitis; and pauci-immune crescentic glomerulonephritis are all examples of granulomatosis with polyangiitis. Cryoglobulinemia
• Pulmonary thromboembolism/infarction as a result of hypercoagulability (membranous nephropathy and antiphospholipid syndrome) 
• Volume overload (congestive heart failure, mitral stenosis) 
• Alport syndrome 
• Charcot-Marie-Tooth syndrome 
• HDR syndrome (hypoparathyroidism, sensorineural hearing loss, and kidney disease; also known as Barakat syndrome) 
• Wolfram syndrome (diabetes insipidus, diabetes mellitus, optic atrophy) 
• Bartter syndrome (diabetes insipidus, diabetes mellitus, optic atrophy) (type IV) Henoch-Schönlein purpura
• Cryoglobulinemia 
• Microscopic polyangiitis 
• ADPKD 
• Abdominal discomfort Aneurysms of the cervicocranial system: 
• Fibromuscular dysplasia 
• ADPKD (also with mitral valve prolapse)