(ant.) A healthy spleen in a dream means that one’s coffers are well protected and that he will enjoy success in his life.
If one’s spleen is inflamed or larger than usual in the dream, it means that one will fail to achieve bis goals, or to change his general condition, or that he will become physically weakened by a debilitating illness. Suffering from one’s spleen in a dream means that one will spoil or waste a great wealth which he is supposed to use to support his family. (Also see Body’)... Islamic Dream Interpretation
To dream of your spleen signifies that you are grappling with issues of well-being and physical survival. Also, this dream is giving you permission to follow your intuition and to realize that your first thought is usually the most accurate one... Strangest Dream Explanations
a vision of spleens from any animal is [interpreted as] wealth. So for whatever he eats the flesh thereof [the spleen], then it (that portion) is halal. And for whatever he did not eat of the flesh thereof, it is forbidden.... Islamic Dream - Cafer-i Sadik