Actinomycosis is a rare infection caused by Gram-positive, facultative anaerobic bacteria of the Actinomyceataceae family. Pulmonary Actinomycosis has a strong clinical and radiological resemblance to tuberculosis, lung abscess, and lung cancer, leading to missed or delayed diagnosis. We present a case of an elderly male with a productive cough and weight loss with right upper lobe consolidation on imaging. Definitive diagnosis was by histopathology; drawing samples by fiber-optic bronchoscopy, broncho-alveolar lavage, and endobronchial ultrasound. Tuberculosis, fungal infection, and malignancy were ruled out. Diagnosis was confirmed by demonstration of filamentous colonies of Actinomyces on hematoxylin and eosin and Grocott-Gomori's methanamine silver stain. The patient showed good clinical and radiological response to Penicillin therapy.
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Mohammed Al Shuraiqi
S. Mohammed Mahaboob Pasha
Mohammed Al Harrasi
Annals of African Medicine
University of Nizwa
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Shuraiqi et al. (Wed,) studied this question.
www.synapsesocial.com/papers/69d896406c1944d70ce07888 — DOI: https://doi.org/10.4103/aam.aam_51_26
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