Hereditary pancreatic cancers

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Hereditary pancreatic cancers questions is asked many times in NEET SS and GI and onco Surgery CET 

Please understand the difference between x% lifetime risk of pancreatic cancer and x fold increase in risk as compared to normal population

  1. PRSS & SPINK 1 - Familial pancreatitis 40% lifetime increase . 50 fold increase as compared to Normal
  2. STK 11 - Peutz Jeghers - 100 fold increase in Pancreatic cancer . Also associated with lung, ovarian, breast, uterine, and testicular cancers
  3.  CFTR - cystic fibrosis - 30 fold increase
  4. Familial atypical mole and multiple melanoma syndrome (CDKN2A gene mutation). CDKN2A - 20 fold increase
  5.  BRCA 2 - 10 fold increase
  6. Lynch Syndrome  ( MLH) ( MSH) - 8 fold increase
  7. FAP APC gene - 4 fold