case_images: PMC11045152_01
case_images: (a) Swelling on left chest (arrow), (b) Chest X-ray show necrosis of left sternum (arrow), (c and d) High resolution computed tomography show abscess and lysis of sternum and clavicle
case_images: JGID-16-33-g001.jpg
case_images: PMC11045152_01_JGID-16-33-g001.jpg
case_images: jgid_64_23-f001
case_images: On physical examination, the swelling was 3 cm x 3 cm, and the overlying skin and temperature were normal [Figure 1a arrow]. No obvious opacities were seen in both lungs [Figure 1b arrow]. It was located anterior to the manubrium sternum on the left side, extending into the left sternoclavicular joint with the destruction of the anterior wall of clavicle [Figure 1c and d arrow].
case_images: (a) Aspiration smears show amorphous to granular caseous necrosis and polymorphs (H and E, x100), (b) ZN stain show acid fast bacilli (ZN, x400 arrow). ZN: Ziehl-Neelsen, H and E: Hematoxylin and eosin
case_images: JGID-16-33-g002.jpg
case_images: PMC11045152_01_JGID-16-33-g002.jpg
case_images: jgid_64_23-f002
case_images: H and E stained smears showed amorphous to granular eosinophilic material (caseous necrosis) with many viable polymorphs, red blood cells, and lymphocytes [Figure 2a arrow]. ZN stain showed many acid-fast bacilli [Figure 2b arrow].