7,956 results match your criteria Actinomycosis


Granulomatous lung disease and immune reconstitution inflammatory syndrome in Whipple's disease.

BMJ Case Rep 2021 Jun 18;14(6). Epub 2021 Jun 18.

Institute of Pathology and Molecular Pathology, University Hospital Zurich, Zurich, Switzerland.

We present the case of a 70-year-old woman with a history of seronegative arthritis, recurrent pleural effusion and weight loss. A prior lung biopsy had revealed non-caseating epithelioid cell granulomas without evidence for microbial organisms on special stains. Intestinal biopsy findings where suspicious for Whipple's disease, which was confirmed by PCR testing, both on the intestinal and retrospectively on the lung tissue. Read More

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Actinomycotic Infection of Spine - A Rare Disease with Diagnostic Challenge, an Update on Spinal Infection.

J Orthop Case Rep 2021 ;11(1):72-78

Department of Orthopaedics, Sancheti Institute of Orthopedics and Rehabilitation, Pune, Maharastra, India.

Introduction: We are reporting a rare case of lumbar spinal actinomycosis with superficial discharging sinuses in an elderly female.

Case Report: A 56-year-old female came in outpatient with chief complaints of low back pain radiating to both buttocks, burning sensations to both lower limbs. Magnetic resonance imaging (MRI) re-vealed signal intensity changes suggestive of patchy marrow edema present over the L2 to S1 vertebra. Read More

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January 2021

Tuberculosis of the Left Calcaneum and Collapsed Right Femoral Head: A Case Report.

J Orthop Case Rep 2021 ;11(1):55-58

Department of Radiology, Kigali University Teaching Hospital, Rwanda.

Introduction: Tuberculosis (TB), one of the oldest diseases known to affect humans, is caused by the bacteria Mycobacterium tuberculosis. The disease usually affects the lungs, although, in up to one-third of cases, other organs are involved. TB of the bone mimics other clinical conditions such as chronic osteomyelitis, Madura mycosis and actinomycosis. Read More

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January 2021

Periapical granuloma with actinomycosis.

J Dent Sci 2021 Jul 8;16(3):1044-1046. Epub 2021 May 8.

Elite Dental Clinic, Taipei, Taiwan.

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Clinicopathological study of radicular cysts with actinomycosis.

J Dent Sci 2021 Jul 28;16(3):825-830. Epub 2021 Apr 28.

Elite Dental Clinic, Taipei, Taiwan.

Background/purpose: Actinomycosis is sometimes associated with a radicular cyst (RC). This retrospective study evaluated the clinical and histopathological features of 6 RCs with actinomycosis (AM/RCs).

Materials And Methods: The demographic data and clinicopathological features of 6 AM/RCs were collected and analyzed. Read More

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isolated from a mixed infection of an elderly patient with chronic mandibular osteomyelitis mimicking oral squamous cell carcinoma.

New Microbes New Infect 2021 Jul 14;42:100880. Epub 2021 Apr 14.

Department of Microbiology, Marmara University School of Medicine, Istanbul, Turkey.

The anaerobic, Gram-negative bacillus has recently been described in the human oral cavity. To our knowledge, this species has not been isolated from chronic osteomyleitis samples. We present the first case of infection in a 92-year-old woman with polymicrobial chronic mandibular osteomyelitis, mimicking oral squamous cell carcinoma. Read More

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A Conservative Management Approach for Unusual Presentation of Oral Actinomycosis.

Authors:
Qamar Hashem

Case Rep Dent 2021 18;2021:5570758. Epub 2021 May 18.

Clinical Dental Sciences Department/Endodontic Division College of Dentistry, Princes Noura Bint Abdulrahman University, Riyadh, Saudi Arabia.

Actinomycosis is gram-positive saprophytic infection that is characterized by chronic suppurative and granulomatous lesion. It could be found in the oral cavity, lungs, colon, and genital area. In the oral cavity, it is commonly associated with infected root canals presented as persistent infections. Read More

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Actinomycosis of the nasal cavity.

Braz J Otorhinolaryngol 2021 May 25. Epub 2021 May 25.

Chonnam National University Medical School & Hwasun Hospital, Department of Otolaryngology-Head and Neck Surgery, Hwasun, South Korea.

Introduction: Actinomycosis of the nasal cavity is very rare.

Objective: The purpose of this study was to investigate the clinical features, treatment methods, and treatment results of actinomycosis of the nasal cavity in our hospital.

Methods: We retrospectively enrolled 11 patients with histopathologically identified actinomycosis of the nasal cavity from January 2010 to May 2020. Read More

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Persistent Multispecies Mastitis Treated With Repeated Aspiration and Long-Term Oral Antibiotics.

Am Surg 2021 Jun 9:31348211025748. Epub 2021 Jun 9.

Department of Surgery, University of Southern California, Los Angeles, CA, USA.

Actinomycosis is an infection characterized by abscess formation, draining sinuses, and tissue fibrosis. The causative bacterium is a Gram-positive facultative anaerobe from the genus . Infections classically affect the cervicofacial, thoracic, or pelvic region and often require prolonged antibiotic therapy. Read More

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Pleural empyema caused by .

New Microbes New Infect 2021 May 29;41:100892. Epub 2021 Apr 29.

Department of Thoracic Surgery, Saint-Pierre University Hospital, Université Libre de Bruxelles (ULB), Brussels, Belgium.

was first identified in 1995. To the best of our knowledge, pleural empyema caused by has never been reported. In the case reported herein, a patient with pleural empyema was treated surgically, and in the bacterial samples, was isolated. Read More

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An Unusual Case of Early Dental Implant Failure in an Otherwise-Healthy Patient due to Actinomycosis.

J Oral Implantol 2021 Jun 5. Epub 2021 Jun 5.

Associate Professor, Hacettepe University Faculty of Dentistry, Periodontology Department, Ankara, Turkey.

Actinomyces spp. are members of normal oral flora that may give rise to a rare disease- oral actinomycosis . Here we present a case of early implant failure associated with actinomycosis in an otherwise -healthy 43-year-old female and the treatment adopted following explantation. Read More

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Cervicofacial Actinomycosis in the Pediatric Population: Presentation and Management.

Ann Otol Rhinol Laryngol 2021 Jun 1:34894211021273. Epub 2021 Jun 1.

Schulich School of Medicine and Dentistry, Western University, London, ON, Canada.

Background: Infection caused by species is a rare cause of head and neck infection in children. This chronic cervicofacial infection can present with localized swelling, abscess formation, sinus drainage and can be complicated by osteomyelitis.

Methods: Presented are 2 pediatric cases of secondary actinomycosis in the context of congenital lesions: 1 patient with a previously excised preauricular sinus and another with a persistent sublingual mass. Read More

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Sinusitis of actinomycosis infection : a case report.

J Med Invest 2021 ;68(1.2):202-204

Department of Otorhinolaryngology-Head and Neck Surgery.

Actinomycosis is an infection caused by anaerobic bacteria, primarily from the genus Actinomyces, which normally colonize the several regions including the mouth. Disruption of mucosa may lead to infection of virtually any site, but reports of involvement of the sinuses are rare. We report a case of an actinomycosis infection in the unilateral maxillary sinus. Read More

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January 2021

Tonsillar actinomycosis that mimics tonsillar neoplasm.

Oral Radiol 2021 May 15. Epub 2021 May 15.

Department of Otolaryngology, Malatya Training and Research Hospital, Malatya, 44000, Turkey.

Actinomycosis is a chronic suppurative infection that can develop almost anywhere in the body. Cervicofacial actinomycosis is the most common form of the disease. We report a case of tonsillar actinomycosis that causes massive, asymmetric enlargement of tonsil and mimics the neoplasia. Read More

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Role of autopsy imaging-computed tomography in the post-mortem study of farm animals.

Vet Rec Open 2021 Dec 7;8(1):e1. Epub 2021 Apr 7.

Faculty of Agriculture University of Miyazaki Miyazaki Japan.

Background: Autopsy imaging (Ai) is used to determine the cause of death, providing pre-dissection information. Ai is often used in the field of human forensic medicine but has never been applied on farm animals.

Methods: Ai-computed tomography (CT) was performed before necropsy for farm animals (one goat, one ox, one cow and three calves) that died or were euthanised. Read More

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December 2021

Actinomycosis of the parotid gland: case series.

Ann Palliat Med 2021 May 7. Epub 2021 May 7.

Department of Otolaryngology-Head and Neck Surgery, Chonnam National University Medical School & Hwasun Hospital, Hwasun, South Korea.

Background: Actinomycosis of the parotid gland is very rare. We sought to examine the clinical features, treatment methods, and treatment results of actinomycosis of the parotid gland in our hospital.

Methods: We retrospectively enrolled 5 patients with histopathologically identified actinomycosis of the parotid gland from January 2010 to May 2020. Read More

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Case report: actinomycosis of the abdominal wall.

J Surg Case Rep 2021 May 5;2021(5):rjab171. Epub 2021 May 5.

Department of Surgery, University of Aleppo, Aleppo, Syria.

Primary abdominal wall actinomycosis is rare, but even rarer when it comes to intestinal infiltration; it is usually misdiagnosed as a neoplasm in computed tomography till proved otherwise with pathological examination. We report a 59-year-old diabetic male presented with a year-old abdominal wall mass, diagnosed by pathology after surgical excisional biopsy, and treated with penicillin for 6 months. We recommend consideration of actinomycosis in cases of abdominal wall mass, especially in immunocompromised patients, as a differential diagnosis of neoplastic lesions. Read More

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A case of endobronchial actinomycosis as a challenging cause of lung atelectasis.

BMC Infect Dis 2021 May 8;21(1):433. Epub 2021 May 8.

Pulmonology and RICU, S Donato Hospital, Arezzo, Italy.

Background: Primary endobronchial actinomycosis is exceptionally uncommon and can be misdiagnosed as unresolving pneumonia, endobronchial lipoma, bronchogenic carcinoma or foreign body. Predisposing factors are immunosuppressive conditions, chronic lung diseases, poor oral hygiene or foreign body aspiration.

Case Presentation: We reported a case of 88-year old woman with a 4 days history of mild exertional dyspnea, productive cough with purulent sputum and fever up to 37. Read More

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Cystic form of Actinomycotic mycetoma: A new case with a diagnostic challenge.

Clin Case Rep 2021 Apr 16;9(4):e04064. Epub 2021 Mar 16.

Department of Pathology Fattouma Bourguiba University Hospital Monastir Tunisia.

Mycetoma, commonly known as Madura foot, is a chronic granulomatous infection caused either by fungi (eumycetoma) known as actinomycete. This disease occurs preferentially in young adults, and it affects the foot in particular. We report a Tunisian case of mycetoma occurring in an old patient, particular by its cystic presentation. Read More

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Microvascular flap reconstruction of pharynx in patient with actinomycosis.

Clin Case Rep 2021 Apr 13;9(4):2214-2217. Epub 2021 Mar 13.

Rīga Stradiņš University Rīga Latvia.

Surgical treatment for patients with actinomycosis with head and neck reconstruction should be considered as a reliable treatment option with a good long-term effect. Read More

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Abdominal actinomycosis mimicking a transverse colon malignancy: a case report and review of the literature.

J Med Case Rep 2021 May 3;15(1):224. Epub 2021 May 3.

Department of Surgery, National Hospital of Sri Lanka, Colombo 10, Sri Lanka.

Background: Actinomycosis is a rare inflammatory bacterial disease caused by Actinomyces species which can infrequently affect the large intestine. Disseminated actinomycosis is reported as a rare complication associated with intrauterine devices. We report a case of intra-abdominal actinomycosis mimicking a transverse colon malignancy. Read More

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A systematic review of case reports of hepatic actinomycosis.

Orphanet J Rare Dis 2021 Apr 30;16(1):192. Epub 2021 Apr 30.

Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.

Background: Hepatic Actinomycosis (HA) is one of the infections that causes disorders in patients when diagnosed untimely and inappropriately.

Methods: Case reports on HA in patients published between 2000 and April 2020 were gathered by carrying out a structured search through PubMed/Medline.

Results: Through a survey of the Medline database, 130 studies were identified and then, 64 cases with HA were included in the final analysis. Read More

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Not just a simple appendicectomy: abdominal actinomycosis causing phlegmonous appendicitis.

ANZ J Surg 2021 Apr 28. Epub 2021 Apr 28.

Department of Surgery, Hornsby Ku-ring-Gai Hospital, Sydney, New South Wales, Australia.

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[The role of piezosurgery in the treatment of a rare case of superinfected cemento-osseous dysplasia caused by actinomyces: a case report].

Pan Afr Med J 2021 2;38:106. Epub 2021 Feb 2.

Service de Médecine et Chirurgie Buccales, Clinique Universitaire de Médecine et Chirurgie Dentaire, Monastir, Tunisie.

Cemento-osseous dysplasia is a benign fibro-osseous lesion affecting the alveolar bone. It is classified into three forms: periapical, focal or florid dysplasia. It is often asymptomatic and fortuitously discovered during a routine radiological examination. Read More

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A Case of CNS Actinomycosis: Rarer than Rare!

Neurol India 2021 Mar-Apr;69(2):475-477

Neurosciences (Neurology and Neurosurgery), Nanavati Superspeciality Hospital, Mumbai, Maharashtra, India.

We report a case of cerebral actinomycosis in a 62-year-old male who presented with right-sided weakness and focal convulsions. MRI scan showed a solid intra axial space occupying lesion in the left frontal lobe. Left parietal craniotomy with intra-operative USG guided aspiration and excision of the mass (containing necrotic material) was done. Read More

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Pulmonary Actinomycosis and Mucormycosis Coinfection in a Patient With Philadelphia Chromosome-positive Acute Lymphoblastic Leukemia Undergoing Chemotherapy.

J Pediatr Hematol Oncol 2021 Apr 26. Epub 2021 Apr 26.

Department of Pediatrics, Kitakyushu City Yahata Hospital Department of Pediatrics, School of Medicine, University of Occupational and Environmental Health, Kitakyushu Department of Pediatrics, Kagoshima University Graduate School of Medical and Dental of Sciences, Kagoshima, Japan.

Mucormycosis is an opportunistic and progressive infection, while actinomycosis usually grows gradually and rarely develops in immunocompromised patients. Here we report a patient with Philadelphia chromosome-positive acute lymphoblastic leukemia who developed a pulmonary actinomycosis and mucormycosis coinfection. Once the diagnosis of actinomycosis was confirmed by bronchoscopy, lobectomy performed before stem cell transplantation revealed mucormycosis. Read More

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Perforation of sigmoid neovagina in a patient with Mayer-Rokitansky-Küster-Hauser syndrome.

IDCases 2021 3;24:e01110. Epub 2021 Apr 3.

Indiana University School of Medicine, Department of Medicine, Division of Infectious Diseases, Indianapolis, Indiana, United States.

Mayer-Rokitansky-Küster-Hauser (MRKH) syndrome is a congenital aplasia of the uterus and upper part of the vagina in females. Treatment includes surgical creation of a functional neovagina. Perforation of the neovagina is extremely rare with only handful of cases reported in transgender patients post gender reassignment surgery. Read More

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Lung adenocarcinoma and pulmonary actinomycosis: a cautionary tale.

Tumori 2021 Apr 20:3008916211010225. Epub 2021 Apr 20.

Department of Surgery, Division of Thoracic Surgery, Boston University School of Medicine, Boston, MA, USA.

Background: Pulmonary actinomycosis is a rare and slowly progressive bacterial infection that is often mistaken for lung cancer. Multiple case reports caution against premature diagnosis of malignancy without proper consideration of potential infection. However, no cases in the English literature have been reported that demonstrate the possible coexistence of and lung cancer. Read More

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Pulmonary actinomycosis and marijuana vaping.

BMJ Case Rep 2021 Apr 1;14(4). Epub 2021 Apr 1.

Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA.

A 33-year-old man without significant medical history presented to the emergency department with a 6-month history of fatigue and 30 pounds of unintentional weight loss, with a recent cough and fever over the past week. He recalled two similar illnesses during college that did not require medical care. He denied tobacco use but reported inhaling marijuana 1-2 times daily over the past year with a vaping device. Read More

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Unusual infectious agents detected in appendectomy specimens: A retrospective analysis of 42 cases.

Turk J Surg 2020 Sep 28;36(3):291-296. Epub 2020 Sep 28.

Inonu University Faculty Of Medicine, Patholgoy, Malatya, Turkey.

Objectives: The aim of this study was to evaluate the clinical and histopathological features of 42 patients with unusual infectious agents detected in their appendectomy specimens.

Material And Methods: Between January 1999 and November 2018, 2.754 patients underwent emergency or incidental appendectomy in our clinic, and their pathology reports were retrospectively reviewed. Read More

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September 2020