zhouyong
Forum Senior
Topics: 16
Posts: 126
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A 65-year-old Laotian immigrant has developed thick, erythematous nodules on her ears and nose with
significant associated sensory loss. The nodules have grown slowly over the course of many years. Biopsy of the
lesions shows dermal granulomas with giant cells but no acid-fast bacteria. Culture on blood agar and
Lowenstein-Jensen medium shows no growth. These findings are most consistent with which of the following
diagnoses?
A. Cutaneous leishmaniasis
B. Onchocerciasis
C. Rhinoscleroma
D. Smallpox
E. Tuberculoid leprosy
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| kmp
Forum Elite
Topics: 38
Posts: 311
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E. Tuberculoid leprosy
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| xfwang2002
Forum Junior
Topics: 8
Posts: 47
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Why? Could you give me a little bit of expl? According to the history, it absolutely is Lepro. However, why there is no any bacterium support?
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| bactitech
Forum Elite
Topics: 25
Posts: 481
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Mycobacterium leprae has never been grown on artificial media.
http://virology-online.com/Bacteria/Mycobacterium...
This is an excellent overview of this organism and other mycobacteria.
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Clinical Microbiology since 1974
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| ssrpk
Forum Fanatic
Topics: 154
Posts: 2,796
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same for treponema pallidum....can't b cultured
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life is guud
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