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Case Reports in Otolaryngology
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2023
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Article
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Fig 4
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Case Report
Null-Cell Ectopic Pituitary Adenoma of the Nasal Cavity
Figure 4
Histology showed sheets of small to medium sized round cells (a) that were positive for keratin (AE1/3) (b) and synaptophysin (c) and negative for calretinin (d).