The interdisciplinarity of the marketing department is due to the application of concepts, methods and marketing technics specific both to service and to social marketing. In addition to this fact, the attempt of the social services to satisfy the patient’s needs places the health care domain at the border between social and economic, between profit and non-profit orientation. However a lot of the notions from the marketing field (competition, promotion, strategy, need, supply, cost etc.) acquire new meaning when used for defining the rivalry between the distinct medical organizations, the advance of the health care services, the development and implementation policies in medical marketing, the increasingly acute demand for treatment, the use and the supply of health care services as well as the cost that it requires.. Conclusion: These above described microscopy method can be used to distinguish between benign and malignant thyroid nodules, based on different degree of the capsular collagen fibers orientation.