Special interest Breast health and all related aspects, including breast imaging , management of any breast concern and breast cancer, breast cancer surgery, oncoplastic surgery, molecular genetics of breast cancer. Prof Apffelstaedt has published several peer-reviewed articles in scientific journals, both nationally and internationally, presented several invited papers at national and international scientific meetings and had several scientific papers read at national and international scientific meetings. Prof Apffelstaedt has been the head of the Thyroid clinic at Tygerberg Hospital for over 20 years and has a vast experience in thyroid surgery.

Prof Justus Apffelstaedt is registered as a specialist with the Health Professions Council of South Africa (HPCSA).