IPLab:Lab 9:RMSF: Difference between revisions

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This 9-year-old child was admitted with headache, fever, and a morbilliform rash on the arms and legs. There was a history of a tick being removed from her back. By the time a biopsy was performed, the rash had become petechial. Antibiotics were given and the child recovered within one week.
This 9-year-old child was admitted with headache, fever, and a morbilliform rash on the arms and legs. There was a history of a tick being removed from her back. By the time a biopsy was performed, the rash had become petechial. Antibiotics were given and the child recovered within one week.


== Biopsy Findings ==
Examination of a skin biopsy of this patient's lesion was stained with hematoxylin and eosin. A different section was also stained with an immunoperoxidase technique using antibody against Rickettsia rickettsii. Organisms were demonstrated in the endothelial cells.
A skin biopsy of this patient's lesion was stained with hematoxylin and eosin. A different section was also stained with an immunoperoxidase technique using antibody against Rickettsia rickettsii. Organisms were demonstrated in the endothelial cells.  


== Images ==
== Images ==
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File:IPLab9RMSF8.jpg|This is a high-power photomicrograph of a thrombosed vessel in the dermis. Note that the endothelial cells are missing along part of the circumference of the vessel (arrows)--this is where the main part of the thrombus has attached. Also note the inflammation surrounding the vessel.  
File:IPLab9RMSF8.jpg|This is a high-power photomicrograph of a thrombosed vessel in the dermis. Note that the endothelial cells are missing along part of the circumference of the vessel (arrows)--this is where the main part of the thrombus has attached. Also note the inflammation surrounding the vessel.  
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== Virtual Microscopy ==
<peir-vm>IPLab9RMSF</peir-vm>


== Study Questions ==
== Study Questions ==
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=== Images ===
=== Images ===
 
* [{{SERVER}}/library/index.php?/tags/2151-rmsf PEIR Digital Library: RMSF Images]
 
== Related IPLab Cases ==
 


{{IPLab 9}}
{{IPLab 9}}


[[Category: IPLab:Lab 9]]
[[Category: IPLab:Lab 9]]