title: [A case of mediastinum actinomycosis by Aggregatibacter actinomycetemcomitans].
abstract: The actinomycosis is a suppurative infection due to an anaerobic and microaerophillic bacteria called actinomyces. Only few case reports are described for the mediastinal locations of this rare entity. We report a new case of inflammatory pseudotumor in the mediastinum due to Aggregatibacte actinomycetemcomitans revealed by hemoptysis. The mediastinoscopy procedure with biopsy was needed to confirm the definitive bacteriological diagnosis by a positive culture. During the postoperative course, a cutaneous fistula was found which had a favourable evolution after appropriate antibiotherapy. Through this case report, the authors insist upon the importance of considering the diagnosis of mediastinal actinomycosis when facing non-specfic mediastinal mass symptoms and also about the interest of systematic bacterioscopic examination and histopathologic examination on nodes' biopsies to avoid to be lost on pathology of mediastinal tumor or tuberculosis. In practise, we caution the non-expert during biopsies because of this lesion's invasive characteristic especially in the confined space of the mediastinum.
authors: Pôle de spécialités cancérologiques, service de chirurgie thoracique et vasculaire, hôpital Avicenne, faculté de médecine SMBH, université Paris 13, Assistance publique-Hôpitaux de Paris (AP-HP), CHU Paris-Seine-Saint-Denis, 125, rue de Stalingrad, 93000 Bobigny, France. Electronic address: razafesteban@yahoo.fr.
authors: N N M
authors: NN
authors: Razafimanjato
authors: Pôle de spécialités cancérologiques, service de chirurgie thoracique et vasculaire, hôpital Avicenne, faculté de médecine SMBH, université Paris 13, Assistance publique-Hôpitaux de Paris (AP-HP), CHU Paris-Seine-Saint-Denis, 125, rue de Stalingrad, 93000 Bobigny, France.
authors: A M
authors: AM
authors: Portela
authors: Pôle de spécialités cancérologiques, service de chirurgie thoracique et vasculaire, hôpital Avicenne, faculté de médecine SMBH, université Paris 13, Assistance publique-Hôpitaux de Paris (AP-HP), CHU Paris-Seine-Saint-Denis, 125, rue de Stalingrad, 93000 Bobigny, France.
authors: D M
authors: DM
authors: Radu
authors: Pôle de spécialités cancérologiques, service de chirurgie thoracique et vasculaire, hôpital Avicenne, faculté de médecine SMBH, université Paris 13, Assistance publique-Hôpitaux de Paris (AP-HP), CHU Paris-Seine-Saint-Denis, 125, rue de Stalingrad, 93000 Bobigny, France.
authors: P
authors: P
authors: Guiraudet
authors: Pôle de spécialités cancérologiques, service de chirurgie thoracique et vasculaire, hôpital Avicenne, faculté de médecine SMBH, université Paris 13, Assistance publique-Hôpitaux de Paris (AP-HP), CHU Paris-Seine-Saint-Denis, 125, rue de Stalingrad, 93000 Bobigny, France.
authors: M D
authors: MD
authors: Destable
authors: Pôle de spécialités cancérologiques, service de chirurgie thoracique et vasculaire, hôpital Avicenne, faculté de médecine SMBH, université Paris 13, Assistance publique-Hôpitaux de Paris (AP-HP), CHU Paris-Seine-Saint-Denis, 125, rue de Stalingrad, 93000 Bobigny, France.
authors: A
authors: A
authors: Seguin
authors: Pôle de spécialités cancérologiques, service de chirurgie thoracique et vasculaire, hôpital Avicenne, faculté de médecine SMBH, université Paris 13, Assistance publique-Hôpitaux de Paris (AP-HP), CHU Paris-Seine-Saint-Denis, 125, rue de Stalingrad, 93000 Bobigny, France.
authors: E
authors: E
authors: Martinod
mesh_terms: D000196:Actinomycosis / Q000188:drug therapy / Q000382:microbiology* / Q000473:pathology; D016976:Aggregatibacter actinomycetemcomitans / Q000302:isolation & purification*; D000658:Amoxicillin / Q000627:therapeutic use; D006801:Humans; D008297:Male; D008477:Mediastinal Diseases / Q000188:drug therapy / Q000382:microbiology* / Q000473:pathology; D055815:Young Adult
chemical_list: D000658:Amoxicillin
keywords: Aggregatibacter actinomycetemcomitans; Mediastinal tumor; Mediastinitis; Mediastinoscopy; Médiastinite; Médiastinoscopie; Pseudotumeur; Pseudotumor; Tumeur médiastinale