PMC4531716_01
Simple skull view show no pituitary fossa enlargement.
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Plain skull X-ray film of the sella was normal (Figure 1).
Pituitary fossa MRI show isodense signal intensity mass occupying the pituitary fossa and infundibular thickening.
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Magnetic resonance image (MRI) scan showed isodense signal intensity mass lesion in pituitary fossa with infundibular thickening and no enhancement of RCC with dynamic study was observed (Figure 2).
HE staining (x 100) shows mixed inflammatory cell infiltration in the loose stroma.
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Focally remained columnar epithelial walls were noted and cytokeratin immunohistochemical staining revealed monolayered columnar epithelium in the cyst wall (Figure 3, 4).
Cytokeratin immunohistochemical staining (x200) reveals monolayered columnar epithelium in the cyst wall.
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Focally remained columnar epithelial walls were noted and cytokeratin immunohistochemical staining revealed monolayered columnar epithelium in the cyst wall (Figure 3, 4).