Fig. 2From: Syphilitic orchitis mimicking a testicular tumor in a clinically occult HIV-infected young man: a case report with emphasis on a challenging pathological diagnosis a At low power, the testicular tumor shows an inflammatory lesion. b Higher magnification shows lymphoplasma cell and histiocyte infiltration. c Spindle cell proliferation in short fascicles is seen in areas. d Microabscess formation is focally evidenced. e Obliterative vasculitis is occasionally found. f In the periphery of the tumor, interstitial inflammatory cell infiltration and tubular atrophy are present (original magnification, H&E × 100 [a, c and f], ×200 [b and d], ×400 [e])Back to article page