| Degeneration, degenerative | 
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  | heredofamilial | 
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  | hyaline (diffuse) (generalized) 728.9 | 
  | localized - see also Degeneration, by site | 
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  | hypertensive vascular - see Hypertension | 
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  | internal semilunar cartilage 717.3 | 
  | intervertebral disc 722.6 | 
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  | cervical, cervicothoracic 722.4 | 
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  | thoracic, thoracolumbar 722.51 | 
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  | iris (generalized) (see also Atrophy, iris) 364.59 | 
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  | ischemic - see Ischemia | 
  | joint disease (see also Osteoarthrosis) 715.9 | 
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  | spine (see also Spondylosis) 721.90 | 
  | kidney (see also Sclerosis, renal) 587 | 
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  | cyst, cystic (multiple) (solitary) 593.2 | 
  | congenital (see also Cystic, disease, kidney) 753.10 | 
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  | fibrocystic (congenital) 753.19 | 
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  | polycystic (congenital) 753.12 | 
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  | lacrimal passages, cystic 375.12 | 
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  | lateral column (posterior), spinal cord (see also Degeneration, combined) 266.2  [336.2] | 
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  | infantile, juvenile, or presenile 366.00 | 
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