低膽固醇血症

定義: 
    正常總膽固醇130-200mg/dL, <130即為低膽固醇血症

病因:

-內分泌dz:
    -hyperthyroidism
    -adrenal insufficiency

製造問題:
  -statins,
  -肝病
  -malnutrition
  -malabsorption, (celiac dz, Crohn dz, ulcerative colitis, 慢性胰臟炎, post-OP, AIDS
  -缺錳 manganese

遺傳dz:
  -abetalipoproteinemia - a rare genetic disease that causes cholesterol <50 mg/dl.      
      (It is found mostly in Jewish populations)
  -hypobetalipoproteinemia - a genetic disease that causes cholesterol readings below 50 mg/dl[2]
  -Smith-Lemli-Opitz syndrome
  -Marfan syndrome
癌症:
  -Leukemias, myelofibrosis, lymphoma, 乳癌, 大腸癌,肺癌,子宮癌,腎上腺癌