Multiple Mobile Spherules in Mature Cystic Teratoma of the Ovary
Satomi Kawamoto1,2,
Katsuhiko Sato3,
Hiroshi Matsumoto4,
Yoshichika Togo4,
Yoshihiko Ueda5,
Junji Tanaka1 and
Atsuko Heshiki1
1
Department of Radiology, Saitama Medical School, 38 Morohongo Moroyama Iruma,
Saitama, 350-0495 Japan.
2
Department of Radiology, Otsu Municipal Hospital, 2-9-9 Motomiya Otsu, Shiga,
520-0804 Japan.
3
Department of Radiology, Kasukabe Municipal Hospital, 7-2-1 Chuo Kasukabe,
Saitama, 344-0067 Japan.
4
Department of Obstetrics and Gynecology, Kasukabe Municipal Hospital, Saitama,
344-0067 Japan.
5
Department of Pathology, Dokkyo University, School of Medicine, 880
Kitakobayashi Mibu Shimotsuga, Tochigi, 321-0293 Japan.

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Fig. 1A. 24-year-old woman with mature cystic teratoma. Sonogram shows
multiple mobile spherical structures of increasing echogenicity that float in
cystic mass.
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Fig. 1B. 24-year-old woman with mature cystic teratoma. Sagittal
T1-weighted MR image shows large cystic mass occupying lower abdomen and
pelvis. Spheres approximately 1 cm in diameter and larger float in
nondependent portion of cystic mass. Outer portion of spherical structures is
slightly hyperintense to surrounding fluid, but not as hyperintense as
subcutaneous fat. Note fluiddebris level in dependent portion.
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Fig. 1C. 24-year-old woman with mature cystic teratoma. Sagittal
(C) and coronal (D) T2-weighted MR images show spheres floating
in large cystic mass. Outer portion of spherical structures are hypointense,
and center is relatively hyperintense.
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Fig. 1D. 24-year-old woman with mature cystic teratoma. Sagittal
(C) and coronal (D) T2-weighted MR images show spheres floating
in large cystic mass. Outer portion of spherical structures are hypointense,
and center is relatively hyperintense.
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Fig. 1E. 24-year-old woman with mature cystic teratoma. Photograph of
gross specimen of cystic mass seen from internal surface with emptied contents
shows tumor containing numerous black spheres the size of blue-berries. Also
note large spheres. Internal surface of cystic tumor is smooth and lacks solid
component.
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Copyright © 2001 by the American Roentgen Ray Society.