TY - JOUR
T1 - Usefulness of MRI and dynamic contrast-enhanced MRI for differential diagnosis of simple bone cysts from true cysts in the jaw
AU - Yanagi, Yoshinobu
AU - Asaumi, Jun Ichi
AU - Unetsubo, Teruhisa
AU - Ashida, Masakazu
AU - Takenobu, Toshihiko
AU - Hisatomi, Miki
AU - Matsuzaki, Hidenobu
AU - Konouchi, Hironobu
AU - Katase, Naoki
AU - Nagatsuka, Hitoshi
PY - 2010/9
Y1 - 2010/9
N2 - Introduction. It can be difficult to differentiate simple bone cysts (SBCs) from true cysts in the jaw when these lesions appear unilocular. The present study reports the MR imaging of subjects with SBCs and describes the diagnostic value of the MRI findings. Materials and methods. Ten subjects with SBCs in the jaw were examined using MRI. T1- and T2-weighted images (T1W1, T2WI) were obtained, and contrast-enhanced images and dynamic contrast-enhanced MRI (DCE-MRI) were acquired. Results. In all cases, the contrast-enhanced TIWI acquired approximately 6 minutes after the administration of GdDTPA showed marked enhancement of the margin and slight enhancement of the inner part of the cyst cavity. In all cases, the time-signal intensity (SI) curves show a gradual increase in the SI until approximately 15 minutes after the administration of Gd-DTPA. These findings might not be observed on the DCE-MRIs of the other true cysts with epithelial lining that show no enhancement in a cavity. MRI, especially DCE-MRI, can provide useful information for distinguishing SBCs from other cysts.
AB - Introduction. It can be difficult to differentiate simple bone cysts (SBCs) from true cysts in the jaw when these lesions appear unilocular. The present study reports the MR imaging of subjects with SBCs and describes the diagnostic value of the MRI findings. Materials and methods. Ten subjects with SBCs in the jaw were examined using MRI. T1- and T2-weighted images (T1W1, T2WI) were obtained, and contrast-enhanced images and dynamic contrast-enhanced MRI (DCE-MRI) were acquired. Results. In all cases, the contrast-enhanced TIWI acquired approximately 6 minutes after the administration of GdDTPA showed marked enhancement of the margin and slight enhancement of the inner part of the cyst cavity. In all cases, the time-signal intensity (SI) curves show a gradual increase in the SI until approximately 15 minutes after the administration of Gd-DTPA. These findings might not be observed on the DCE-MRIs of the other true cysts with epithelial lining that show no enhancement in a cavity. MRI, especially DCE-MRI, can provide useful information for distinguishing SBCs from other cysts.
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U2 - 10.1016/j.tripleo.2010.05.001
DO - 10.1016/j.tripleo.2010.05.001
M3 - Article
C2 - 20727497
AN - SCOPUS:78049392336
SN - 1079-2104
VL - 110
SP - 364
EP - 369
JO - Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontology
JF - Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontology
IS - 3
ER -