The present invention relates to an antibody or a fragment thereof which is capable of binding to a Frizzled homologue 10 (FZD10) protein, such as a mouse monoclonal antibody, a chimeric antibody and a humanized antibody. Also, the present invention relates to a method for treating and/or preventing FZD10-associated disease a method for diagnosis or prognosis of FZD10-associated disease and a method for in vivo imaging of FZD10 in a subject.