- Volume 62, Issue 4, 2013
Volume 62, Issue 4, 2013
- Case reports
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Highly effective unconventional management of aspergillosis of the left maxillary sinus in an 11-year-old girl with rhabdomyosarcoma embryonale of the frontal sinus
Invasive fungal infections are common causes of death in children treated for malignancies, and therefore present an important and growing clinical problem. Fungal invasion usually affects immunocompromised patients, but increased incidences are also associated with intensification of antineoplastic therapy and increased numbers of organ and bone marrow transplantations. Fungal infections in parameningeal and cerebral locations carry high risks of treatment failure. We describe the case of an 11-year-old female patient with rhabdomyosarcoma embryonale of the frontal sinuses with metastases to the neck lymph nodes, treated according to the CWS 2002 protocol for high-risk patients. Left maxillary sinus aspergillosis was diagnosed during chemotherapy following radiotherapy, and 56 days after surgical excision of the tumour. No effect was achieved by use of amphotericin B. Further treatment included intravenous voriconazole at 6 mg per kg body weight every 12 h for 2 weeks, followed by oral voriconazole at 4 mg per kg body weight twice daily for 6 months. Simultaneous excision of necrotic tissues from the nasal cavity, ethmoid bone, maxillary sinus and frontal recess was performed. The sinus was kept open for 3 weeks to allow voriconazole lavage every 12 h for 3 weeks. This unconventional treatment resulted in eradication of sinus aspergillosis and allowed intensive chemotherapy to be continued with no recurrence of aspergillosis.
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Haemophilus influenzae serotype b and a capsule-deficient type mutant (b−) invasive disease in a partially vaccinated child in Brazil
We report a rare case of infection by two different types of Haemophilus influenzae strains in a child who received only one dose of the H. influenzae serotype b (Hib) conjugate vaccine (DTwP+Hib). The strains were recovered from blood and cerebrospinal fluid (CSF) and were phenotypically identified as Hib and non-typable H. influenzae, respectively, after serological tests. The two strains were characterized by PCR capsular typing, multilocus sequence typing and PFGE. Our results suggest that the infection was caused by the bloodstream invasion by a single Hib strain, followed by the diffusion of the bacteria across the blood–brain barrier and into the CSF. The strain recovered from the CSF, however, was identified as a capsule-deficient type mutant (b−) strain. Despite the high efficacy of the Hib conjugate vaccine, the increase in the numbers of strains able to escape the immune system of the vaccinated population advocates continued surveillance.
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Mycotic aneurysm of the abdominal aorta caused by Haemophilus influenzae type f
More LessPrior to the advent of the Haemophilus influenzae type b vaccine, invasive infections due to H. influenzae type f were rarely described. However, the epidemiology of H. influenzae is changing. While the incidence of invasive infections due to H. influenzae is declining in children, such infections are becoming more common in adults, particularly in the elderly. Here, we report an unusual case of infective aortic aneurysm caused by H. influenzae type f that underlines the emerging clinical relevance and pathogenic capability of this organism.
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Volumes and issues
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Volume 73 (2024)
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Volume 72 (2023 - 2024)
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Volume 71 (2022)
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Volume 70 (2021)
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Volume 69 (2020)
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Volume 68 (2019)
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Volume 67 (2018)
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Volume 66 (2017)
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Volume 65 (2016)
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Volume 64 (2015)
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Volume 63 (2014)
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Volume 62 (2013)
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Volume 61 (2012)
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Volume 17 (1984)
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Volume 15 (1982)
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Volume 14 (1981)
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Volume 12 (1979)
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Volume 7 (1974)
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Volume 5 (1972)
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Volume 2 (1969)
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Volume 1 (1968)