case_images: PMC8202244_01
case_images: Follow-up computed tomography of the abdomen revealing a mildly complex cystic lesion/fluid collection in the left psoas muscle.
case_images: 10.1177_23247096211024067-fig1.jpg
case_images: PMC8202244_01_10.1177_23247096211024067-fig1.jpg
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case_images: One month later a follow-up CT of the abdomen revealed a slight increase in the size of the mildly complex cystic lesion/fluid collection in the left psoas muscle, now eroding the L4 vertebral body (Figure 1).
case_images: Computed tomography-guided percutaneous aspiration of the cystic lesion in the left psoas muscle.
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case_images: PMC8202244_01_10.1177_23247096211024067-fig2.jpg
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case_images: CT-guided percutaneous aspiration of the cystic lesion in the left psoas muscle was performed (Figure 2), revealing clusters and sheets of atypical epithelial cells (Figures 3-5).
case_images: Representing low-grade colonic adenocarcinoma, with mucin pool.
case_images: 10.1177_23247096211024067-fig3.jpg
case_images: PMC8202244_01_10.1177_23247096211024067-fig3.jpg
case_images: fig3-23247096211024067
case_images: CT-guided percutaneous aspiration of the cystic lesion in the left psoas muscle was performed (Figure 2), revealing clusters and sheets of atypical epithelial cells (Figures 3-5).
case_images: Cytology smear slides representing columnar epithelial cells, which are adenocarcinoma cells in psoas muscle biopsy specimen.
case_images: 10.1177_23247096211024067-fig4.jpg
case_images: PMC8202244_01_10.1177_23247096211024067-fig4.jpg
case_images: fig4-23247096211024067
case_images: CT-guided percutaneous aspiration of the cystic lesion in the left psoas muscle was performed (Figure 2), revealing clusters and sheets of atypical epithelial cells (Figures 3-5).
case_images: A cell block demonstrating the neoplastic columnar cells with abundant cytoplasm containing intracellular mucin.
case_images: 10.1177_23247096211024067-fig5.jpg
case_images: PMC8202244_01_10.1177_23247096211024067-fig5.jpg
case_images: fig5-23247096211024067
case_images: CT-guided percutaneous aspiration of the cystic lesion in the left psoas muscle was performed (Figure 2), revealing clusters and sheets of atypical epithelial cells (Figures 3-5).