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Old 04-04-2010
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Immunology vaccine and lymphadenitis

An 18-year-old high school senior presents to her doctor with tender lymph nodes in her neck on the left side. She has no significant past medical history. Two weeks ago, she updated her vaccines in preparation for college. A lymph node biopsy is performed, which shows benign paracortical expansion and scattered multinucleated giant cells with eosinophilic cytoplasmic and nuclear inclusion bodies. Which of the following vaccines is most likely responsible for this woman's lymphadenitis?


A. Hepatitis B

B. Measles

C. Rubella

D. Smallpox

E. Tetanus
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Old 04-05-2010
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answer: measles
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Old 04-06-2010
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Default hmm

i tot it was smallpox. y do u say measles? does it have intranuclear inclusion bodies? i dont think so.
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Old 04-06-2010
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Default Smallpox

Small pox is the correct answer because it consists of Guarnieri bodies which are intracytoplasmic inclusion bodies. The key is not to know the name of the body but which viruses, fungi, bacteria have inclusion bodies.
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Old 04-06-2010
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B - measles - Warthin-Finkeldey giant cells
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Old 04-06-2010
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The Warthin-Finkeldey (WF) giant cell described above is pathognomonic for measles or the live attenuated measles vaccine. Most giant cells are composed of histiocytes, but the WF giant cell is created by fusion of lymphocytes. Although postvaccinal lymphadenitis may be seen with different vaccines, the usual reaction is immunoblastic proliferation within the paracortical regions of a hyperplastic lymph node.

Hepatitis B (choice A), rubella (choice C), and tetanus (choice E) are rarely associated with postvaccinial lymphadenitis.

Smallpox (choice D) is classically followed by tender regional adenopathy, one to several weeks following immunization. There are no associated giant cells.
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Old 04-07-2010
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Warthin-Finkeldey (WF) giant cell!!! just read it. u are so ryte!!!

awesome dude. thanks!
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