case_images: PMC10914428_01
case_images: Lymph node showing granulomatous and suppurative lymphadenitis, low power view (granulomatous component marked with arrow).
case_images: CRIID2024-4411133.001.jpg
case_images: PMC10914428_01_CRIID2024-4411133.001.jpg
case_images: fig1
case_images: He underwent a right inguinal lymphadenectomy a month later, with histopathologic findings of acute suppurative lymphadenitis with granulomatous components suggestive of bacterial infection (Figure 1), but no specific microorganisms were identified by a Warthin-Starry stain (Figure 2).
case_images: Double immunohistochemical staining for CD163 (brown chromogen, yellow arrow) highlighted the granulomatous component, and MPO (red chromogen, blue arrow) highlighted the suppurative part of the tissue response (H & E, 100x).
case_images: CRIID2024-4411133.002.jpg
case_images: PMC10914428_01_CRIID2024-4411133.002.jpg
case_images: fig2
case_images: He underwent a right inguinal lymphadenectomy a month later, with histopathologic findings of acute suppurative lymphadenitis with granulomatous components suggestive of bacterial infection (Figure 1), but no specific microorganisms were identified by a Warthin-Starry stain (Figure 2).