Abstract:
OBJECTIVES:Pelvic organ prolapse is a common debilitating condition affecting women. Cross-sectional imaging with magnetic resonance imaging (MRI) depicts pelvic floor anatomy as well as organ prolapse and can complement or replace fluoroscopy. Occasionally, patients cannot tolerate MRI, but multiplanar visualization of pelvic floor soft tissue anatomy and organ prolapse is clinically desired. The objective of this study was to determine if computed tomography (CT) is a potential diagnostic technique in these specific situations for demonstrating organ prolapse and the pelvic floor. METHODS:Seven women (mean age: 63.5 years) with clinical pelvic organ prolapse were referred for CT of the pelvis from the gynecologic and surgical clinics from November 1998 to September 2001. The CT technique included the following: insufflation of rectal air, positive oral contrast, supine position with knees flexed, and imaging at rest and straining with a single-detector scan in 5 cases (slice thickness of 3 mm, table speed of 5 mm/s, 2-mm reconstruction interval) and a multidetector scan in 1 case (detector collimation of 1 mm, slice thickness of 1.25 mm, 1-mm reconstruction interval). Axial and 3-dimensional images were interpreted. RESULTS:Computed tomography demonstrated prolapse in 5 of 7 patients. At CT, cystocele was present in 2 of 7 patients, vault or cervical prolapse was present in 4 of 7, enterocele was present in 3 of 7, rectocele was present in 2 of 7, and levator abnormalities were present in 4 of 7. Surgery was performed in 3 of the 5 patients with positive CT findings, and prolapse was confirmed. Surgery was also performed in 1 patient with negative CT findings, and global prolapse was detected. CONCLUSIONS:Demonstration of pelvic organ prolapse and muscular pelvic floor abnormalities is feasible with CT if the patient strains adequately. In patients who cannot tolerate MRI, CT may be useful as an alternative diagnostic tool.
journal_name
J Comput Assist Tomogrjournal_title
Journal of computer assisted tomographyauthors
Pannu HK,Genadry R,Kaufman HS,Fishman EKdoi
10.1097/00004728-200309000-00016keywords:
subject
Has Abstractpub_date
2003-09-01 00:00:00pages
779-85issue
5eissn
0363-8715issn
1532-3145journal_volume
27pub_type
杂志文章abstract::The aim of the study was to explore the efficacy of iodine quantification with dual-energy computed tomography (DECT) in differentiating thymoma, thymic carcinoma, and thymic lymphoma. MATERIALS AND METHODS:Fifty-seven patients with pathologically confirmed low-risk thymoma (n = 16), high-risk thymoma (n = 15), thymi...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/RCT.0000000000000800
更新日期:2018-11-01 00:00:00
abstract:OBJECTIVE:To assess the feasibility of a time-efficient, high-resolution magnetic resonance lymphangiography (HR MRL) protocol without image subtraction for the detection of lymphatic vessels in patients with primary and secondary lymphedema. METHODS:Three consecutive patients with lymphedema of the lower extremities ...
journal_title:Journal of computer assisted tomography
pub_type: 临床试验,杂志文章
doi:10.1097/01.rct.0000237814.33925.32
更新日期:2007-03-01 00:00:00
abstract:OBJECTIVE:Our goal was to evaluate the role of Gd-enhanced MR in the diagnosis and surgical planning of intraventricular cysticercosis cysts. MATERIALS AND METHODS:Thirty-three patients with intraventricular cysticercosis were evaluated with Gd-enhanced MRI including follow-up studies ranging over time periods from 6 ...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-199311000-00015
更新日期:1993-11-01 00:00:00
abstract::Cystic hygromas most often occur in the neck in children and are benign lesions not associated with cranial nerve palsies. We present two cases in which a facial nerve paralysis was one of the presenting symptoms. The computed tomographic (CT) scans localized the lesions, suggested a diagnosis, and obviated angiograph...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198402000-00021
更新日期:1984-02-01 00:00:00
abstract:PURPOSE:High resolution MR images obtained from a normal human volunteer at 8 T are utilized to describe the appearance of iron-containing deep gray nuclei at this field strength. METHOD:High resolution (1,024 x 1,024 matrix) near-axial gradient echo images of the deep gray nuclei were acquired on a human volunteer by...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-199911000-00009
更新日期:1999-11-01 00:00:00
abstract::The case of a 75-year-old man with a history of lymphoma, recent upper respiratory tract infection, and a protracted course of encephalopathy is presented. Radiologically, findings were consistent with posterior reversible encephalopathy syndrome. A brain biopsy revealed evidence of endothelial activation, T-cell traf...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/RCT.0b013e3181f31917
更新日期:2011-01-01 00:00:00
abstract:PURPOSE:The purpose of our study was to test dynamic helical CT (hCT) in the evaluation of breast tumors. METHOD:Thirty-six patients with 39 suspected lesions underwent breast hCT before and 1, 3, and 8 min after intravenous contrast medium administration. A marked enhancement (> or = 100%) at 1 or 3 min without incre...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-199805000-00010
更新日期:1998-05-01 00:00:00
abstract::Magnetic resonance imaging depicts the morphological details of the female pelvis and is useful for evaluating both benign and malignant cervical masses. Clinical assessment of the extent of cervical cancer is crucial in determining the optimal treatment strategy, but clinical staging by itself has limitations. Clinic...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/RCT.0b013e3181ed3090
更新日期:2010-11-01 00:00:00
abstract::Gadolinium diethylenetriamine pentaacetic acid (DTPA) enhanced magnetic resonance imaging was performed in eight patients with Cushing disease and surgically proven pituitary microadenomas. A 1.5 T scanner was used with 3 mm contiguous slices. Short repetition times (TR), short echo times (TE), and long TR, long TE se...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198809010-00002
更新日期:1988-09-01 00:00:00
abstract::Gadolinium-phthalein complexone (Gd-PC) was developed as a hepatobiliary magnetic resonance (MR) contrast agent. Phthalein complexone is one of the iminodiacetic acid derivatives and a structural analogue of bromosulfophthalein. Gadolinium-PC substantially enhanced signal intensity of normal functioning livers on T1-w...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198901000-00014
更新日期:1989-01-01 00:00:00
abstract::We report a unique case of early-phase Takayasu arteritis in which the vessels demonstrated accumulation of [18F]fluorodeoxyglucose (FDG) on PET scanning. This observation suggests the possible use of FDG-PET for the diagnosis of vasculitis. Early diagnosis of Takayasu arteritis may permit early treatment and possibly...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-199901000-00004
更新日期:1999-01-01 00:00:00
abstract:OBJECTIVE:Sequential computed tomography (CT) technique remains the most common protocol for CT evaluation of the head despite nearly universal adoption of continuous technique for all other body parts. This may be attributable to the belief by radiologists that this technique is superior to helical scanning uniquely f...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/RCT.0000000000000289
更新日期:2015-11-01 00:00:00
abstract::Diffuse cavernous hemangioma of the rectosigmoid colon (DCHR) is an uncommon disease that affects mainly young adults. As the main symptom is non-specific chronic rectal bleeding, the clinical diagnosis is difficult and often delayed. In this essay, we illustrate the imaging features of DCHR, including plain radiograp...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-199811000-00002
更新日期:1998-11-01 00:00:00
abstract::Due to the low prevalence of hemangiopericytomas (HPCs), data on the biophysiological characteristics of this tumor are rare. Positron emission tomography (PET) demonstrated a sixfold increased uptake of [11C]methionine and hyperperfusion in the HPC, whereas glucose utilization was decreased in this area. This low glu...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-199905000-00008
更新日期:1999-05-01 00:00:00
abstract::In a consecutive group of 1,067 noncholecystectomized patients referred for computed tomography including the upper abdomen, gallstones were seen in 13%. In 4% of the patients with gallstones, gas-containing calculi were found. On reviewing the conventional plain films such stones were revealed in less than one-half o...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198310000-00009
更新日期:1983-10-01 00:00:00
abstract::In 95% of cases, computed tomography (CT) enables the articular capsule of the hip joint to be directly visualized. Articular effusion in the hip joint can also be recognized in the CT image. In inflammatory arthritis and active osteoarthrosis of the hip joint, thickening of the articular capsule or articular effusion...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198304000-00014
更新日期:1983-04-01 00:00:00
abstract::Benign hepatic neoplasms constitute a heterogeneous group of neoplasms with characteristic histology and variable tumor biology. Based on the cell of origin, benign hepatic neoplasms are classified into epithelial, nonepithelial, and miscellaneous categories according to the 2000 World Health Organization classificati...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章,评审
doi:10.1097/RCT.0b013e31815a5748
更新日期:2008-11-01 00:00:00
abstract::We describe the effect of the off-center position, the bowtie filter type, and the direction of scan projection radiograph on the radiation dose and image noise of 64-detector computed tomographic scans using the automatic tube current modulation technique. On anteroposterior scan projection radiographs, the tube curr...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/RCT.0b013e31819d6f6f
更新日期:2009-11-01 00:00:00
abstract::An assessment of the role of marrow fat as a source of error in single energy quantitative CT (SEQCT) measurements of the spine is presented. Fat-induced shifts and spreads in SEQCT findings are discriminated and quantified. Studies using chemical analysis have reported an average vertebral bone mineral (MIN) loss of ...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198911000-00015
更新日期:1989-11-01 00:00:00
abstract:OBJECTIVE:This study aimed to evaluate the interobserver variability of right-to-left ventricular (RV/LV) diameter ratios on computed tomographic pulmonary angiographies at reduced tube potential. METHODS:Consecutive computed tomographic pulmonary angiographies performed at 80 kVp for subjects weighing less than 80 kg...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/RCT.0b013e3182994f37
更新日期:2013-09-01 00:00:00
abstract:OBJECTIVE:To compare the diagnostic performance of adaptive statistical iterative reconstruction applied low-dose computed tomography (CT) (LDCT) with that of the standard-dose CT (SDCT) for local recurrence in patients with stomach cancer. METHODS:Seventy-nine consecutive patients who had undergone surgical resection...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章,随机对照试验
doi:10.1097/RCT.0000000000000057
更新日期:2014-05-01 00:00:00
abstract::A case of hepatic oil embolism following lymphangiography is presented. The computed tomographic appearance is striking and probably distinctive of embolism to the hepatic vascular system. The postulated mechanism for the embolization is discussed. ...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198106000-00019
更新日期:1981-06-01 00:00:00
abstract::Antemortum detection of renal metastases can be made by computed tomography (CT), particularly if the known primary malignancy is in a late stage. The CT scans of 10 oncologic patients with focal renal metastases were reviewed (confirmation by surgery in four, follow-up CT demonstrating new lesions or lesion growth in...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198312000-00017
更新日期:1983-12-01 00:00:00
abstract::Perineural spread along the nasociliary branch of the ophthalmic nerve has not been previously described, to our knowledge. One case of cutaneous squamous carcinoma at the medial canthus and another of melanoma of the nasal ala, with nasociliary nerve perineural spread, are illustrated here. Whereas magnetic resonance...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/RCT.0b013e31827cd39e
更新日期:2013-03-01 00:00:00
abstract::We report a rare case of a bronchogenic cyst presenting as a pleural nodule. CT and MRI demonstrated a well circumscribed, homogeneous lesion located on the pleural surface apart from the mediastinum. It was proven to be a bronchogenic cyst localized between the parietal and visceral pleurae and connected with the med...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-200007000-00012
更新日期:2000-07-01 00:00:00
abstract:PURPOSE:Recently, a new specific organ dose adaption and reduction protocol, or SODAR tool (X-CARE, Siemens Healthcare), which reduces dose to the anterior aspect of the body of patients, was installed on our computed tomographic scanner. The purpose of this pilot project was to evaluate image quality and dose distribu...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/RCT.0b013e318251ec61
更新日期:2012-05-01 00:00:00
abstract::Three cases of hemorrhagic nerve sheath tumors of the scalp are presented with emphasis on CT findings. Each mass produced a mixed pattern of CT density due to the combination of tumor and hemorrhage within it. The CT findings were remarkably similar in the three patients and included a calvarial abnormality underlyin...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198503000-00008
更新日期:1985-03-01 00:00:00
abstract:OBJECTIVE:The objective was to elucidate clinical effectiveness of submillimeter multislice 2- and 3-dimensional computed tomography (CT) for diagnosis of congenital middle ear anomaly. MATERIALS AND METHODS:Preoperative CT and operative findings were retrospectively analyzed in 36 ears of 33 patients. The distance be...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/RCT.0000000000000093
更新日期:2014-09-01 00:00:00
abstract:OBJECTIVE:Compared the performance of computer-aided detection (CAD) software for quantitative analysis of airway using computed tomography (CT) images reconstructed with versions of model-based iterative reconstruction (MBIR) that either balances spatial and density resolution (MBIRSTND) or prefers spatial resolution ...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/RCT.0000000000000975
更新日期:2021-01-01 00:00:00
abstract:OBJECTIVE:The aim of this study was to evaluate volume histogram analysis between usual interstitial pneumonia (UIP) and nonspecific interstitial pneumonia (NSIP). METHODS:Sixty cases (UIP, n = 22; NSIP, n = 38) were evaluated retrospectively. Three parameters (contrast, variance, and entropy) were calculated in 3 typ...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/RCT.0b013e318043a20a
更新日期:2007-11-01 00:00:00