Symptomatic Perirenal Serous Cysts of Müllerian Origin Mimicking Renal Cysts on CT
Thomas X. Minor1,
Benjamin M. Yeh2,
Andrew E. Horvai3,
Harrison M. Abrahams1,
Maxwell V. Meng1 and
Marshall L. Stoller1
1 Department of Urology, University of California, San Francisco, San Francisco,
CA 94143-0738.
2 Department of Radiology, University of California, San Francisco, 505
Parnassus Ave., Box 0628, M-372, San Francisco, CA 94143-0628.
3 Department of Pathology, University of California, San Francisco, San
Francisco, CA 94143-0738.

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Fig. 1A. --31-year-old woman with peritoneal serous cyst of müllerian
origin. IV contrast-enhanced axial CT scan shows round homogeneous
fluid-density mass (arrow) deforming lower pole of right kidney.
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Fig. 1B. --31-year-old woman with peritoneal serous cyst of müllerian
origin. Reformatted sagittal CT scan shows cyst (arrow) with
flattening of adjacent right renal contour.
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Fig. 2A. --41-year-old woman with peritoneal serous cyst of müllerian
origin. IV contrast-enhanced CT scan shows fluid-density structure
(arrow) adjacent to lower pole of right kidney.
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Fig. 2B. --41-year-old woman with peritoneal serous cyst of müllerian
origin. Reformatted sagittal CT scan of cyst (arrow) shows normal
convex contour of lower pole of adjacent right kidney.
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Fig. 3A. --46-year-old woman with peritoneal serous cyst of müllerian
origin. IV contrast-enhanced CT scan shows homogeneous fluid-density mass
(arrow) inferior to right kidney (not shown).
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Fig. 3B. --46-year-old woman with peritoneal serous cyst of müllerian
origin. Reformatted sagittal CT scan shows round homogeneous fluid-density
mass (arrow) displacing right kidney.
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Fig. 3C. --46-year-old woman with peritoneal serous cyst of müllerian
origin. Photomicrograph of histopathologic specimen shows columnar epithelium
lining cyst cavity. (H and E, x200)
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Fig. 3D. --46-year-old woman with peritoneal serous cyst of müllerian
origin. Photomicrograph of histopathologic specimen shows intense staining of
epithelium, which did not show staining with calretinin or carcinoembryonic
antigen-m (not shown). (antikeratin immunoperoxidase, x400)
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Copyright © 2004 by the American Roentgen Ray Society.