Tehran University of Medical Sciences Acta Medica Iranica 0044-6025 41 2 2003 06 15 First case report of primary Actinomycosis of the breast due to Actinomyces Israelii from Iran 110 112 Daie Ghazvini R Zaini F Zibafar E Omidi K 2015 09 28 Present paper reports a case of breast actinomycosis due to Actinomyces israelii in a 31-year-ol female nurse from Shahrekord, in Iran. Diagnosis was based on the observation of short and very fine gram-positive filaments in direct examination of aspirates from fistulas, as well as isolation of organism in sodium thioglycolate and brain heart infusion blood agar (BHIB) culture media, under anaerobic conditions and complementary phyiologic tests. https://acta.tums.ac.ir/index.php/acta/article/view/2645 https://acta.tums.ac.ir/index.php/acta/article/download/2645/2627