PMC9251553_01
On the anterior chest, the subcutaneous abscess (arrow) was found on the right side of the left breast.
gr1.jpg
PMC9251553_01_gr1.jpg
fig0005
Large subcutaneous mass was on the anterior chest wall (Fig. 1, arrow).
Contrast-enhanced computed tomography (CT) showed loculated empyema with extension through the chest wall into the anterior chest (left). Bone window showed left rib destruction (right).
gr2.jpg
PMC9251553_01_gr2.jpg
fig0010
C-reactive protein of 7.1 mg/dl. Contrast-enhanced computed tomography of the chest demonstrated 7 cm x 7 cm x 5 cm loculated empyema with extension through the chest wall, into the anterior chest wall with rib destruction (Fig. 2).
Gram stain (left) revealed filamentous gram-positive rods. We evaluated Kinyoun stain (right) revealed thin, slender, acid-fast, beaded and branched bacilli after identification of the Nocardia farcinica.
gr3.jpg
PMC9251553_01_gr3.jpg
fig0015
Microscopic appearance of the abscess revealed filamentous branching rods (Fig. 3, A: Gram stain, B: Kinyoun stain).