Breast <i>Actinomyces neuii</i> abscess simulating primary malignancy: A case diagnosed by fine‐needle aspiration

Lacoste, Caroline; Escande, Marie-Christine; Jammet, P.; Nos, Claude

doi:10.1002/dc.21044

Cited by 19 publications

(16 citation statements)

References 5 publications

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“…Many Actinomyces species have been identified in soft tissue abscesses of the body above the waistline. Breast tissue is a site commonly affected by actinomycosis, with A. neuii especially being identified as a causative organism (11,64,119,175,(199)(200)(201). Also, A. europaeus (25,64,202,203), A. radingae (25,64,204), A. meyeri (92,205), and A. turicensis (25,204,206) have been recovered.…”

Section: Superficial Infectionsmentioning

confidence: 99%

Actinomyces and Related Organisms in Human Infections

2015

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SUMMARY Actinomyces israelii has long been recognized as a causative agent of actinomycosis. During the past 3 decades, a large number of novel Actinomyces species have been described. Their detection and identification in clinical microbiology laboratories and recognition as pathogens in clinical settings can be challenging. With the introduction of advanced molecular methods, knowledge about their clinical relevance is gradually increasing, and the spectrum of diseases associated with Actinomyces and Actinomyces -like organisms is widening accordingly; for example, Actinomyces meyeri , Actinomyces neuii , and Actinomyces turicensis as well as Actinotignum (formerly Actinobaculum ) schaalii are emerging as important causes of specific infections at various body sites. In the present review, we have gathered this information to provide a comprehensive and microbiologically consistent overview of the significance of Actinomyces and some closely related taxa in human infections.

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Section: Superficial Infectionsmentioning

confidence: 99%

Actinomyces and Related Organisms in Human Infections

2015

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“…In around 50% of cases, the bacterium is detected in patients with abscesses (6,8,11). It also appears in patients with diabetic foot osteomyelitis (14), genitourinary infections (8,13), bloodstream infections and native valve endocarditis (3,8), pericarditis (12), and biomaterial infections (1,9,15,16,18).…”

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confidence: 99%

Soft Tissue Infections Caused by Actinomyces neuii , a Rare Pathogen

et al. 2010

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“…Abscesses and infected atheromas Abscesses and infected atheromas have been, overall, the most frequent infections from which A. neuii has been cultured [10,12,13,15,17]. Abscesses were mostly localized in the mammary, axillar, and inguinal areas, similar to other Actinomyces spp.…”

Section: Infectionsmentioning

confidence: 97%

“…The diagnosis was based 16S rRNA sequencing but the catalase reaction was negative, a rare trait [13]. Another report mentioned the presence of multinucleated giant cells [17]; however, in the remaining cases only polymorphonuclear leukocytes were found. The sensitivity of direct Gram stains is only approximately 20% [10].…”

Section: Isolation and Identificationmentioning

confidence: 98%

Actinomyces neuii: review of an unusual infectious agent

Graevenitz

2011

Infection

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Actinomyces neuii, a species first described in 1994, has proven to be an exception in this genus on account of its aerobic growth, microscopic morphology (no branching), and the types and location of infections. Abscesses and infected atheromas are the most frequent types of infections, followed by infected skin structures, endophthalmitis, and bacteremias, including endocarditis. They are most likely of endogenous origin. To date, approximately 100 cases have been recorded in the literature. Intra-abdominal and intrathoracic infections, however, have not yet been described, and cases of classical actinomycosis seem to be extremely rare. Prognosis has generally been good with antibiotic and/or surgical treatment. Susceptibility to antibiotics has paralleled that of other Actinomyces spp.

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Breast Actinomyces neuii abscess simulating primary malignancy: A case diagnosed by fine‐needle aspiration

Cited by 19 publications

References 5 publications

Actinomyces and Related Organisms in Human Infections

Actinomyces and Related Organisms in Human Infections

Soft Tissue Infections Caused by Actinomyces neuii , a Rare Pathogen

Actinomyces neuii: review of an unusual infectious agent

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