case_images: PMC7737464_01
case_images: PMC7737464_02
case_images: Panel A (41/2 months of age): chest radiograph showing bilateral lung infiltrates and absent thymic shadow. Panel B (5 months of age): chest CT scan showing enlarged left axillary lymph node, measuring about 2 cm in diameter (arrowed).
case_images: CRII2020-8857152.001.jpg
case_images: PMC7737464_02_CRII2020-8857152.001.jpg
case_images: fig1
case_images: His chest radiographs showed bilateral infiltrations, and the thymus was not visible (Figure 1(a)). Neck, chest, and abdominal CT scans confirmed generalized lymphadenopathy, including his left axillary lymph nodes (Figure 1(b)).
case_images: The lymph node effaced and replaced by a sheet of histiocytes; lymph node remnant seen as scattered lymphocytes and small lymphoid aggregates (arrow). There are necrotic foci within the histiocytes sheet (upper half of the picture). Ziehl-Neelsen stain showing numerous acid-fast bacilli (the red box region). The acid-fast bacilli are red color rods.
case_images: CRII2020-8857152.002.jpg
case_images: PMC7737464_02_CRII2020-8857152.002.jpg
case_images: fig2
case_images: Excisional left axillary lymph node biopsy showed numerous acid-fast bacilli (AFB), consistent with tuberculous (TB) lymphadenitis (Figure 2).