每月一例 2015 jan - cyto.org.tw · 每月一例 2015 jan • urine (left ureter washing...
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每月一例 2015 Jan
• Urine (left ureter washing cytology) • 65 y/o • r/o left ureter tumor • Figure 1-3
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Your interpretation ?
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Cytology findings • Figure 1:
– Necrotic background and degenerative atypical cells (indicating malignancy)
• Figure 2: – 4 pictures of clusters of abnormal cells with large
pleomorphic nuclei and increased N/C ratio (compatible with high grade urothelial carcinoma cells)
• Figure 3: – 4 pictures of tight clusters of abnormal cells with
hyperchromatic nuclei, scant cytoplasm, very high N/C ratio, molding nuclei and salt-and-pepper chromatin pattern (compatible with small cell carcinoma cells)
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Diagnosis
Combined small cell carcinoma and high grade
urothelial carcinoma
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Take home message
• Characteristic features of high grade urothelial carcinoma and small cell carcinoma
• The possibility of combined cancer (identification of two different types of cancer cells is important)