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case_images: Clinical presentation of the patient. (A) Skin lesions on admission and at approximately (B) 3 months and (C) 6 months after treatment of the bacterial infection.
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case_images: Edematous erythema of about 7 cm x 10 cm was seen on the inside of the right calf (Figure 1A), and two puncture wounds caused by two teeth of the cat could be seen in the centre of the erythema. The redness and swelling subsided after 3 months of treatment (Figure 1B). After 6 months' treatment, the wound healed and brown pigmentation was left locally (Figure 1C).
case_images: Histopathology of erythema. Photomicrograph showing the epidermis was generally normal, and neutrophils, histiocytes, lymphocytes and giant cells appeared in the middle and deep dermis. (A) hematoxylin-eosin x40, (B) hematoxylin-eosin x100.
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case_images: Histopathological examination of erythema showed that the epidermis was generally normal, with neutrophils, histiocytes, lymphocytes and giant cells in the middle and deep dermis (Figure 2).
case_images: White colonies on culture medium are shown in (A) (blood agar plate), and positive acid-fast staining is shown in (B) (acid-fast stain,x100 magnification).
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case_images: After 4 days, these bacterial cultures were positive (Figure 3; white colonies on culture medium shown in panel a; positive acid-fast staining is shown in panel b).