Tailgut Cyst: MRI Evaluation
Dal Mo Yang1,
Chul Hi Park1,
Wook Jin1,
Suk Ki Chang1,
Jee Eun Kim1,
Soo Jin Choi1 and
Dong Hae Jung2
1 Department of Radiology, Gachon Medical College Gil Medical Center, 1198,
Guwol-Dong, Namdong-Gu, Incheon 405760, South Korea.
2 Department of Pathology, Gachon Medical College Gil Medical Center, Incheon
405760, South Korea.

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Fig. 1A. 30-year-old woman with low abdominal pain. Enhanced CT scan
shows small-sized multilocular hypodense masses (arrows) in presacral
space.
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Fig. 1B. 30-year-old woman with low abdominal pain. On T1-weighted
image, masses are hypointense.
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Fig. 1C. 30-year-old woman with low abdominal pain. On T2-weighted
image, masses (arrows) are hyperintense.
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Fig. 2A. 45-year-old woman with history of constipation. Enhanced CT
scan shows well-defined hypodense mass (arrow) with thin wall in
presacral space. Rectum (arrowhead) is compressed and anteriorly
displaced.
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Fig. 2B. 45-year-old woman with history of constipation. On
T1-weighted image, mass (arrow) is hypointense.
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Fig. 2C. 45-year-old woman with history of constipation. On
T2-weighted image, mass (arrow) is hyperintense, and small-sized
hyperintense mass (arrowhead) is identified at posterior portion of
large mass.
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Fig. 2D. 45-year-old woman with history of constipation.
Photomicrograph of histologic specimen shows wall of cyst, which is lined with
squamous epithelium (arrowheads). (H and E, x100)
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Fig. 3A. 31-year-old woman with right buttock pain. T1-weighted image
shows well-defined hypointense mass (arrow) in presacral space.
Rectum (arrowhead) is anteriorly displaced.
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Fig. 3B. 31-year-old woman with right buttock pain. On T2-weighted
image, mass (arrow) is hyperintense, and small-sized hyperintense
mass (arrowhead) is identified at posterior portion of large
mass.
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Copyright © 2005 by the American Roentgen Ray Society.