PMC8202244_01
Follow-up computed tomography of the abdomen revealing a mildly complex cystic lesion/fluid collection in the left psoas muscle.
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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).
Computed tomography-guided percutaneous aspiration of the cystic lesion in the left psoas muscle.
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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).
Representing low-grade colonic adenocarcinoma, with mucin pool.
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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).
Cytology smear slides representing columnar epithelial cells, which are adenocarcinoma cells in psoas muscle biopsy specimen.
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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).
A cell block demonstrating the neoplastic columnar cells with abundant cytoplasm containing intracellular mucin.
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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).