Most liver cysts do not cause any symptoms. However, if cysts become large, they can cause bloating and pain in the upper right part of your abdomen. Sometimes, liver cysts become large enough that you can feel them through your abdomen.
A lack of vitamin B12 (B12 deficiency) is one cause of anaemia. Pernicious anaemia is a condition where vitamin B12 cannot be absorbed into your body. It is the most common cause of vitamin B12 deficiency in the UK.Vitamin B12 deficiency can easily be treated by regular injections of vitamin B12.Intrinsic factor is made by cells in the lining of the stomach and is needed for vitamin B12 to be absorbed.). Pernicious anaemia is the most common cause of B12 deficiency in the UK. It is classed as an autoimmune disease.
People who have pernicious anemia can't absorb enough vitamin B12 from food. This is because they lack intrinsic (in-TRIN-sik) factor, a protein made in the stomach. A lack of this protein leads to vitamin B12 deficiency. Other conditions and factors also can cause vitamin B12 deficiency. Examples include infections, surgery, medicines, and diet. Technically, the term pernicious anemia refers to vitamin B12 deficiency due to a lack of intrinsic factor. Often though, vitamin B12 deficiency due to other causes also is called pernicious anemia. This article discusses pernicious anemia due to a lack of intrinsic factor and other causes.