PMC3163399_01
Computed tomography (CT) scan of the abdomen showed the mass occupying the retroperitoneal space and infiltrating the ascending colon.
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fig1
The mass appeared to involve the ascending colon, cecum, distal ileum, right Fallopian tube and ovary, and ureter anteriorly and the psoas muscle posteriorly (Figures 1 and 2).
Computed tomography (CT) scan showed the mass occupying the extraperitoneal space infiltrating the psoas muscle posteriorly and the pelvis anteriorly.
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fig2
The mass appeared to involve the ascending colon, cecum, distal ileum, right Fallopian tube and ovary, and ureter anteriorly and the psoas muscle posteriorly (Figures 1 and 2).
The retroperitoneal mass consisted of chronic suppurative granolomatous inflammation, H&E 20x.
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fig3
Actinomyces, with positive reaction with periodic acid-Schiff and Grocott's dye. Abscess formation, necrosis were found (Figures 3, 4, 5 and 6).
The inflammation was composed by fibroblasts, xanthomatous cells, and neutrophilic granulocytes, H&E 20x.
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fig4
Actinomyces, with positive reaction with periodic acid-Schiff and Grocott's dye. Abscess formation, necrosis were found (Figures 3, 4, 5 and 6).
Colonies of Actinomyces species were detected with surrounding inflammatory infiltration, H&E 40x.
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fig5
Actinomyces, with positive reaction with periodic acid-Schiff and Grocott's dye. Abscess formation, necrosis were found (Figures 3, 4, 5 and 6).
Colonies of Actinomyces species were founded in abscess areas, H&E 40x.
IDOG2011-747059.006.jpg
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fig6
Actinomyces, with positive reaction with periodic acid-Schiff and Grocott's dye. Abscess formation, necrosis were found (Figures 3, 4, 5 and 6).