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case_images: Histopathology of the brain abscess tissue specimen obtained from the mediastinal mass. Hematoxylin and eosin (H&E) staining showed extensive neutrophil cell infiltration. (A) Brain abscess tissue isolated during surgery. (B) H&E staining of brain abscess tissue.
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case_images: Intraoperative histopathology of the brain abscess revealed large numbers of inflammatory cells (Figure 1). 
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case_images: Colony morphology on chocolate agar plate. (A) Slow-growing colonies on chocolate agar plate in a CO2 environment with a concentration of 5% after 48 h. (B) Image of the colonies after magnification.
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case_images: Figures 2 and 3 show the colony morphology on the chocolate plate and the microscopic bacterial morphology, respectively.
case_images: Gram-stained morphological observations of two pathogenic bacteria under the microscope. (A) Haemophilus aphrophilus is a small Gram-negative bacillus. (B) Eikenella corrodens is similar in morphology to H. aphrophilus, except that the organism is slightly larger.
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case_images: Figures 2 and 3 show the colony morphology on the chocolate plate and the microscopic bacterial morphology, respectively.
case_images: mNGS analysis reveals the mapping of Haemophilus aphrophilus with a coverage of 3.7% and Eikenella corrodens reads with a coverage of 0.89%. (Left) Total read distribution in the sample and (right) read distribution without the human host.
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case_images: Figure 4. Following consultation with the pharmacy department, ceftriaxone (2 g every 12 hours) and meropenem (2 g every 8 hours) were given against H. aphrophilus and E. corrodens.
case_images: Enhanced cranial magnetic resonance imaging in patients with intracranial infections on T1-weighted images. (A) On October 23, 2022, rounded nodular abnormal-density foci about 2.9x3.6 cm in size could be seen in the right frontoparietal lobe. (B) After 7 weeks of treatment, no significant foci of enhancement could be observed.
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case_images: Images taken before and after treatment are shown in Figure 5.
case_images: Timeline of patient's diagnosis and treatment.
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case_images: The diagnosis and treatment details are listed in Figure 6.