Chronic lymphadenopathy caused by a Brazilian strain of Bartonella henselae

Velho, Paulo Eduardo Neves Ferreira; Drummond, Marina Rovani; Adad, Marcio Antonio Haro; Cintra, Maria Letícia; Sowy, Stanley; Diniz, Pedro Paulo Vissotto de Paiva

doi:10.1590/s1678-9946201759062

Rev. Inst. Med. trop. S. Paulo

2017

DOI: 10.1590/s1678-9946201759062

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Chronic lymphadenopathy caused by a Brazilian strain of Bartonella henselae

Paulo Eduardo Neves Ferreira Velho

Marina Rovani Drummond

Marcio Antonio Haro Adad

et al.

Abstract: Bartonella henselae is a relevant causative agent of bartonelloses in humans. We described an immunocompetent patient with clinical manifestation of chronic cervical lymphadenopathy after a cat-scratch in her forearm. This case shows B. henselae infection persistence even after prolonged antibiotic treatment.

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2024

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Cited by 1 publication

References 18 publications

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Three-Month History of Lymphadenopathy Caused by Bartonella henselae in a 13-Year-Old Following a Dog Scratch

Nguyen,

Singh,

Sam

et al. 2024

Cureus

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We reported the case of a 13-year-old immunocompetent boy presenting with a right cervical neck mass. He complained of fatigue, back pain, coughing, and a right neck mass persisting for three months. He did not have a fever, but his parents reported he had lost 20 lbs. in the past six months without any change in diet or appetite. They are also very concerned about the risk of malignancy. During the initial work-up, there was no abnormality in the complete blood count. During the follow-up visit 10 days later, he complained of new-onset dysphagia and throat pain. The mass was about 5 cm on the right neck, poorly mobile, and mildly tender to palpation. It looks significantly different compared to the first visit. Blood serology tests were indicated, and titers of cytomegalovirus (CMV), Epstein-Barr virus (EBV), and toxoplasma were not reactive. However, serology detected that IgM and IgG titers to Bartonella henselae were ≥1:20 and ≥1:1024, respectively. A fine needle aspiration (FNA) of the mass on the same day revealed lymphoid proliferation. Afterward, the patient was treated with amoxicillin-clavulanic acid for two weeks. After three weeks, the mass almost disappeared, and the patient reported a remarkable improvement in symptoms. This case report is a helpful reminder that B. henselae should be suspected on the differential diagnoses in a case of lymphadenopathy associated with non-specific symptoms such as fatigue, back pain, and weight loss.

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Three-Month History of Lymphadenopathy Caused by Bartonella henselae in a 13-Year-Old Following a Dog Scratch

Nguyen,

Singh,

Sam

et al. 2024

Cureus

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Chronic lymphadenopathy caused by a Brazilian strain of Bartonella henselae

Cited by 1 publication

References 18 publications

Three-Month History of Lymphadenopathy Caused by Bartonella henselae in a 13-Year-Old Following a Dog Scratch

Three-Month History of Lymphadenopathy Caused by Bartonella henselae in a 13-Year-Old Following a Dog Scratch

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