Case 213. 

Bartonellosis (bacillary angiomatosis) in AIDS (29 y-o M)
　 　 　 　
　 Biopsied cervical lymph node in an American AIDS patient complaining of fever and weight loss 　
　 　 　 　

　

 　 Around small vessels, deposition of granular eosinophilic material resembling fibrin is observed (HE). In the deposits, short rods are demonstrated by Warthin-Starry's silver or by electron microscopy.