ABSTRACT
The review of the five clinical cases and the analysis of the few articles that has been written about pulmonary Actinomyces showed us stricking similarities specially from the diagnostical and epidemiologycal point of view. Personal antecedents specially those concerning thoraxic trauma of surgical procedures appeared as high risk factors, nevertheless we still believe that new studies should be made in order to determine the presence of other determinants such as immunosupression. Smoking 10 or more cigarettes a day in fact suggest a relation that cannot be explained randomly. Time between the appearence of first symptoms and diagnosis is vital, when there is a big suspicious of a pneumological infectious disease one must consider the use of the scheme we suggest so as to begin the adequate treatment on time and prevent complications (i.e. disemination) and lower cost