Spinal abscess and mitral valve endocarditis secondary to asymptomatic fusobacterium-induced dental abscess.
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Abscess↗
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Detection of novel organisms associated with salpingitis, by use of 16S rDNA polymerase chain reaction.
Although Chlamydia trachomatis and Neisseria gonorrhoeae are established causes of salpingitis, the majority of cases have no known etiology. We used broad-range 16S rDNA polymerase chain reaction to identify novel, possibly uncultivable, bacteria associated with salpingitis and identified bacterial 16S sequences in Fallopian-tube specimens from 11 (24%) of 45 consecutive women with laparoscopically confirmed acute salpingitis (the case patients) and from 0 of 44 women seeking tubal ligations (the control subjects) at Kenyatta National Hospital, Nairobi, Kenya. Bacterial phylotypes most closely related to Leptotrichia spp. were detected as the sole phylotypes in 1, and mixed with other bacterial phylotypes in 2, specimens. Novel bacterial phylotypes and those associated with bacterial vaginosis, including Atopobium vaginae, were identified in 3 specimens. N. gonorrhoeae and Streptococcus pyogenes were identified in 2 and 1 specimens, respectively. The finding of novel phylotypes associated with salpingitis has important implications for the etiology, pathogenesis, and treatment of this important reproductive-tract disease syndrome.
Adult↗
'Papillomatization' and 'malignant transformation' of an abscess cavity in a 25-year old man with recurrent respiratory papillomatosis who may have had Lemierre syndrome.
We report here an unusual case of a 25-year old male with juvenile onset recurrent respiratory papillomatosis who developed an infestation of papillomata 'papillomatization' of an old abscess cavity that, when removed, was coincidently found to contain a 2 cm well differentiated squamous cell carcinoma. The abscess cavity had been caused by a previous Fusobaterium necrophorum infection that probably developed as a result of septic emboli from his internal jugular veins. This once common but now rare occurrence was first reported by Dr Lemierre in 1936 (Lemierre syndrome).
Adult↗
Molecular diagnosis of arthritis due to streptobacillus moniliformis.
Streptobacillus moniliformis was identified as etiologic agent of arthritis utilizing a 16S rDNA molecular kit in our clinical laboratory. With the increasing of human contacts with rat as pet, this method would appear suitable to identify fastidious Gram-negative rod involved in arthritis specially when the clinical context is not evocative.
Anti-Bacterial Agents↗
Leptotrichia buccalis: a rare cause of bacteraemia in non-neutropenic patients.
The anaerobic bacterium, Leptotrichia buccalis (Lb), belongs to the normal oral flora of humans and is seldom found in clinically significant specimens. However, on rare occasions, Lb has been isolated from blood cultures from patients with lesions of the oral mucosa, in particular from patients with neutropenia. Over a period of 6 months, Lb was isolated from blood cultures in our laboratory from 2 immunocompetent patients. The identification characteristics of Lb are described including the typical morphology at microscopy. Furthermore, we review the bacteraemic cases reported so far together with present knowledge of the pathogenicity and epidemiology of Lb.
Adult↗
Leptotrichia amnionii and the female reproductive tract.
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Abdominal Abscess↗
Rat-bite fever.
A 23-year-old woman presented with fever, arthralgias and a skin rash. She possessed nine pet rats, and denied that she had been bitten. Blood culture was positive for Streptobacillus moniliformis, which can cause rat-bite fever. The patient fully recovered after treatment with clarithromycin.
Adult↗
[Prevalence of Leptotrichia amnionii sp. nov. in pregnant women].
INTRODUCTION: Leptotrichia bacteria belong to the group of Gram-negative anaerobes most frequently colonizing the oral cavity and reproductive organs. Leptotrichia sanquigenes constitute one of the bacterial factors in postpartum bacteremia of mothers and newborns, whilst Leptotrichia amnionii sp. nov., described for the first time in 2002, has turned out to be the etiopathogenetic factor in missed abortion in the second trimester of pregnancy. AIM: The purpose of this study was evaluation of the frequency of occurrence of Leptotrichia amnionii sp. nov. in patients in the 1st, 2nd and 3rd trimester of pregnancy. MATERIALS AND METHODS: The study involved 69 patients. Amplification reactions detecting the presence of Leptotrichia amnionii so. RNA in the smears were performed using specific starters complementary to 16SrRNA Leptotrichia amnionii--primer 1 Lam upper and primer 2 Lsp lower--complementary to Leptotrichia 16SrRNA. After amplification, the specimens were placed on 1% agarose gel in the presence of MassRuler marker (Fermentas). Next, PCR products were ligated to pGEM-T Easy Victor and then competent E. coli DH5 alpha cells were transformed with pGEM vector with an insert. Plasmid DNA isolation was performed using Plasmid Mini kit from A&A Biotechnology. Sequencing of inserts from the purified plasmids was performer in Molecular Biology Techniques Laboratory in the Department of Biology at Adam Mickiewicz University in Poznań. RESULTS: In the group of 69 pregnant patients Leptotrichia amnionii sp. nov. was identified in 8 women, which is 11.6%. CONCLUSION: Recently identified Leptorichia amnionii sp. nov. is a bacterie, which relatively frequently occurs in pregnant women.
Adult↗