The idea of being different, or of being seen as different than others.
Change, or fear of change.
Feeling affected in the area symbolized by the deformed body part (such as a deformed hand representing feeling less able to handle matters in your life).
See also: Different, Shape, Tumor, Disabled, Illness, Monster, Weird [1]
An abnormal growth or development could mean an aspect of your genius that has not yet been integrated and/or accepted by you. Acceptance has to begin with you.
If any limb of your body grows uncontrollably it means that this limb is relevant, so you have to analyze its specific meaning. [3]
2. An aspect of personality is improperly “shaped,” perhaps even stunted.
3. Unexpressed feelings of shame. [4]