Intraductal Papilloma: Features on MR Ductography Using a Microscopic Coil
Nitya Bhattarai1,
Yoshihide Kanemaki1,
Yasuyuki Kurihara1,
Yasuo Nakajima1,
Mamoru Fukuda2 and
Ichiro Maeda3
1 Department of Radiology, St. Marianna University School of Medicine, 2-16-1
Sugao, Miyamae-ku, Kawasaki City, Kanagawa, 216-8511 Japan.
2 Department of Surgery, St. Marianna University School of Medicine, Kanagawa,
Japan.
3 Department of Pathology, St. Marianna University School of Medicine, Kanagawa,
Japan.

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Fig. 1A 54-year-old woman with intraductal papilloma. Axial
T1-weighted precontrast image shows hyperintense dilated proximal (P) and
distal (D) duct with well-circumscribed isointense intraductal lesion 8 mm in
diameter.
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Fig. 1B 54-year-old woman with intraductal papilloma. Axial
T2-weighted image shows hyperintense dilated duct with well-circumscribed
isointense intraductal lesion.
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Fig. 1C 54-year-old woman with intraductal papilloma. Early phase of
T1-weighted contrast-enhanced image shows homogeneous enhancement of
intraductal lesion.
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Fig. 1D 54-year-old woman with intraductal papilloma. Histopathology
reveals epithelial fronds supported by fibrovascular stroma composed of
epithelial cells and myoepithelial cells arising from duct. (H and E,
x1)
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Fig. 1E 54-year-old woman with intraductal papilloma. Histopathology
reveals epithelial cells (black arrow) lining luminal aspect of duct,
myoepithelial cells (white arrow), and fibrovascular stroma (S). (H
and E, x100)
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Copyright © 2006 by the American Roentgen Ray Society.