PMC5937565_01
H&E stained cross section of left fallopian tube and adjacent nodule.
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fig1
The submitted segment of left fallopian tube had a 0.9 x 0.7 x 0.5 cm tan-white nodule abutting the lumen of the fallopian tube (Figure 1).
Papillary portion of nodule adjacent to left fallopian tube.
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fig2
The larger lesion had a papillary architecture lined by a single layer of nonciliated cuboidal to columnar cells with clear cytoplasm and bland nuclei (Figures 2 and 3).
Papillae lined by clear cuboidal to columnar epithelium with bland appearing nuclei.
CRIOG2018-7964238.003.jpg
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fig3
The larger lesion had a papillary architecture lined by a single layer of nonciliated cuboidal to columnar cells with clear cytoplasm and bland nuclei (Figures 2 and 3).
Lesion composed of small cystic spaces adjacent to papillary lesion.
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fig4
Adjacent to the papillary lesion was a lesion composed of small cystic spaces lined by flattened epithelium with bland nuclei and surrounded by loose fibromuscular stroma (Figures 4 and 5).
Cystic spaces lined by bland flattened epithelial cells with surrounding fibromuscular stroma.
CRIOG2018-7964238.005.jpg
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fig5
Adjacent to the papillary lesion was a lesion composed of small cystic spaces lined by flattened epithelium with bland nuclei and surrounded by loose fibromuscular stroma (Figures 4 and 5).