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Transvaginal (TV) and transabdominal (TA) sonography were compared in a prospective study. A total of 230 examinations (126 pelvic, 104 pregnancy) were performed on 215 patients, ranging in age from 14 to 80 years. The improved anatomic detail on TV scans yielded new information in 138 (60%) examinations and better visualization of pelvic structures in 51 (22%) examinations. There was no important difference in diagnostic information provided by the two imaging modalities in 36 (16%) cases, and TV images were worse in five (2%). The clinical diagnosis was altered on the basis of TV sonographic findings in 54 (24%) cases and confirmed with certainty in 166 (72%). Diagnostic problems posed by TA scanning were not resolved by TV scanning in ten (4%) instances. Statistical analysis indicated that TV scanning was significantly better than TA scanning in the visualization of gestational sac contents (P less than .005), detection of fetal heart motion (P less than .001), and evaluation of the endometrial canal in the retroverted or retroflexed uterus (P less than .001). TV scanning was significantly better than TA scanning in visualization of the ovaries in patients with uterine leiomyomas (P less than .005) but not significantly better in peri- and postmenopausal patients (P greater than .05).
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P H Arger, and
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M K Menard, and
M C Mintz, and
K S Allen, and
R L Arenson, and
K A Lamon
January 2000,
Medical journal, Armed Forces India,
B G Coleman, and
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K A Lamon
February 1988,
Radiology,
B G Coleman, and
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September 1999,
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K A Lamon
August 1989,
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B G Coleman, and
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K S Allen, and
R L Arenson, and
K A Lamon
July 1988,
AJR. American journal of roentgenology,
B G Coleman, and
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K A Lamon
January 1991,
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B G Coleman, and
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K A Lamon
October 2013,
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine,
B G Coleman, and
P H Arger, and
K Grumbach, and
M K Menard, and
M C Mintz, and
K S Allen, and
R L Arenson, and
K A Lamon
June 1991,
Clinical obstetrics and gynecology,
B G Coleman, and
P H Arger, and
K Grumbach, and
M K Menard, and
M C Mintz, and
K S Allen, and
R L Arenson, and
K A Lamon
May 1989,
AJR. American journal of roentgenology,
B G Coleman, and
P H Arger, and
K Grumbach, and
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M C Mintz, and
K S Allen, and
R L Arenson, and
K A Lamon
April 1988,
Seminars in ultrasound, CT, and MR,
