2 research outputs found

    Lactococcus lactis endocarditis and liver abscess in an immunocompetent patient: a case report and review of the literature

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    Abstract Background Over the last two decades, several cases of infections caused by Lactococcus lactis have been reported. This Gram-positive coccus is considered non-pathogenic for humans. However, in some rare cases, it can cause serious infections such as endocarditis, peritonitis, and intra-abdominal infections. Case presentation A 56-year-old Moroccan patient was admitted to the hospital because of diffuse abdominal pain and fever. The patient had no past medical history. Five days before his admission, he developed abdominal pain in the right lower quadrant along with chills and feverish sensations. Investigations showed a liver abscess, which was drained, and the microbiological study of the pus revealed Lactococcus lactis subsp. cremoris. Three days after admission, control computed tomography objectified splenic infarctions. Cardiac explorations were performed and showed a floating vegetation on the ventricle side of the aortic valve. We retained the diagnosis of infectious endocarditis according to the modified Duke criteria. The patient was declared afebrile on day 5 and the evolution was clinically and biologically favorable. Lactococcus lactis subsp. cremoris, formerly known as Streptococcus cremoris, is a rare cause of human infections. The first case of Lactococcus lactis cremoris endocarditis was reported in 1955. This organism includes three subspecies: lactis, cremoris, and hordniae. A MEDLINE and Scopus search showed only 13 cases of infectious endocarditis due to Lactococcus lactis, with subsp. cremoris identified in four of the cases. Conclusions To our knowledge, this is the first case report of the co-occurrence of Lactococcus lactis endocarditis and liver abscess. Despite its reported low virulence and good response to antibiotic treatment, Lactococcus lactis endocarditis must be considered a serious disease. It is imperative for a clinician to suspect this microorganism of causing endocarditis when they notice signs of infectious endocarditis in a patient with a history of consumption of unpasteurized dairy products or contact with farm animals. The finding of a liver abscess should lead to an investigation of endocarditis, even in previously healthy patients without obvious clinical signs of endocarditis

    Strangled by His Nerves—Cervical Plexiform Neurofibroma With Infantile Spinal Neurofibromatosis: Case Report in a 14 Years Old Child

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    Background: Neurofibromatoses are a rare group of autosomal dominant tumor suppressor phacomatoses syndromes. Neurofibromatosis type 1 (NF1 or Von Recklinghausen’s disease) is the most commonly found type of neurofibromatosis, and constitutes the most commonly found autosomal dominant disease of the nervous system. Case presentation: We report a case of a 14-year-old boy who reported a 3-year-history of a slowly enlarging right lateral cervical mass. He has a medical history of a progressive limping gait disorder with scoliotic attitude. MRI identified a dumb-bell shaped intradural right cervical process through right paravertebral gutter on C2 to C4, a second intradural dorsal mass with the same characteristics through left paravertebral gutter on D4 and D5 and a large tissue-like mass infiltrating the lumbosacral subcutaneous soft tissues. A Surgical excision of the cervical and lumbar masses was performed with a good outcome after surgical excision. Conclusions: This case illustrates the need for a collaboration of both neurological and head and neck surgeons in terms of managing difficulties related to a cervical neurofibroma. Benign plexiform neurofibromas are rapidly growing tumors, particularly in children and adolescents, which makes all the importance of early detection and appropriate treatment. Repeated interventions are usually needed in order to adapt and stabilize the tumors extension
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