[Immediate metatarsal lengthening for congenital brachymetatarsia].

Objective: To explore clinical efficacy of congenital brachymetatarsia with immediate metatarsal lengthening.

Methods: From March 2015 to December 2020, 7 patients with brachymetatarsia were treated, including 6 females and 1 male;aged range from 18 to 30 years old;there were 5 patients with metatarsal microsomia on one foot, 2 patients with metatarsal microsomia on the first and fourth right foot, and immediate extension of metatarsal microsomia on the first and fourth right foot;two patients were short metatarsal bones of both feet. The length of short metatarsal bone, length of normal metatarsal bone, distance of short metatarsal bone and healing of bone graft were observed before and 12 months after operation.

Microhemorrhage identified on 3.0 T MR susceptibility-weighted imaging for prognosis of viral encephalitis.

Objective: To evaluate the relationship of microhemorrhage on susceptibility-weighted imaging (SWI) with the severity of clinical symptoms and the prognosis of viral encephalitis.

Materials And Methods: Thirty patients with clinically diagnosed viral encephalitis were divided into three groups according to the Glasgow Coma Scale (GCS) and the condition of recovery namely, Group I (n = 12): Glasgow Coma Scale (GCS)≥13 and recovered with no sequelae; Group II (n = 11): GCS 9-12 and recovered with some sequelae; Group III (n = 7): GCS 3-8 and recovered with more severe sequelae. The microhemorrhage detectability on SWI and conventional MR imaging in these three groups was compared and their correlations with different seriousness of clinical symptoms and prognosis were analyzed.

A comparison of hepatic segmental anatomy as revealed by cross-sections and MPR CT imaging.

To compare the areas of human liver horizontal sections with computed tomography (CT) images and to evaluate whether the subsegments determined by CT are consistent with the actual anatomy. Six human cadaver livers were made into horizontal slices with multislice spiral CT three-dimensional (3D) reconstruction was used during infusion process. Each liver segment was displayed using different color, and 3D images of the portal and hepatic vein were reconstructed.

[Application of prospective ECG-triggering dual-source CT angiography in infants and children with congenital heart disease].

Objective: To explore the application of prospective ECG-triggering dual-source CT (DSCT) angiography in infants and children with complex congenital heart disease (CHD) compared with transthoracic echocardiography (TTE).

Methods: Eighty-seven patients (mean age: 28 months, range 3 months to 6 years; male 46; mean weight: 15 kg) underwent prospective ECG-triggering DSCT angiography and TTE. Surgery was performed in 54 patients.

Significance of the preoperative guidance of dual-source CT in carotid body tumor.

Background: Accurate views of the head and neck vessels, tumor angiogenesis and the relationship of tumor and the surrounding blood vessels are especially crucial to carotid body tumor (CBT) patients. The aim of this study was to explore the value of dual-source CT (DSCT) cerebral and carotid angiography in CBT diagnosis.

Methods: DSCT cerebral and carotid angiography was performed on nine patients with CBT.

Diagnostic value of dual-source CT in Kawasaki disease.

Background: Doppler color echocardiography is a common method for detecting coronary artery lesions in patients with Kawasaki disease (KD). However, the diagnostic accuracy for the whole coronary artery lesions is limited. The purpose of this study was to compare the diagnostic value of dual-source computed tomography (DSCT) and Doppler color echocardiography for the assessment of coronary artery lesions caused by KD.

[Functional magnetic resonance imaging on acupuncturing Yuan-Source and He-Sea acupoints of stomach Meridian of Foot-Yangming].

Objective: To explore the functional brain localization with magnetic resonance imaging (MRI) after acupuncturing the Yuan-Source and He-Sea acupoints of Stomach Meridian of Foot-Yangming (ST).

Methods: The study was performed in 30 healthy volunteers who underwent acupuncture at Yuan-Source acupoint (Chongyang, ST42) and He-Sea acupoint (Zusanli, ST36) (ST group). Ten of these were also underwent acupuncture at the non-acupoints as the control group.

[The application of multi-slice CT dynamic enhancement scan in the diagnosis and treatment of colonic lymphomas].

Objective: To discuss the value of multi-slice CT dynamic enhancement scan in the diagnosis and treatment of colonic lymphomas.

Methods: 16 patients with colonic lymphomas underwent multi-slice CT dynamic enhancement scans, images of axial and reconstructive images of VR, MPR and CTVE were analyzed, patients were respectively diagnosed.

Results: Appearances of primary colorectal lymphomas were categorized into focal and diffuse lesions.

Clinical application of 64-slice spiral CT in the diagnosis of the Tetralogy of Fallot.

Objective: To explore the clinical application of 64-slice spiral CT in the diagnosis of the Tetralogy of Fallot.

Methods: Eighteen patients with diagnosed Tetralogy of Fallot underwent cardiac CT angiography with 64-slice CT (CTA). Two- and three-dimensional images were used for diagnosing in all cases by means of MPR (coronal, sagital and oblique), cMPR, MIP and VRT.

[Multi-slice spiral CT using spinal structure assessment in elderly patients with osteoporosis].

Objective: To explore the clinical value of 64-slice spiral CT for spinal structure assessment in elderly patients with osteoporosis.

Methods: The computed radiography (CR) films and 64-slice spiral CT isotropic scanning images of 40 patients who had been diagnosed as osteoporosis by dual-energy X-ray absorptiometry (DXA) were retrospectively analyzed. The patients were divided into two groups according to their T-scores by DXA: group A (T-score was -1.

Technical feasibility and histopathologic studies of poly (N-isopropylacrylamide) as a non-adhesive embolic agent in swine rete mirabile.

Background: Non-adhesive liquid embolic agents are increasingly gaining importance in the embolization of cerebral arteriovenous malformations (AVMs). We investigated the use of poly (N-isopropylacrylamide) (PNIPAM) as a non-adhesive embolic agent in swine rete mirabile.

Methods: The PNIPAM hydrogel was mixed with iohexol and embolization was performed in swine rete mirabile in 30 animals.

[CT multiplan reconstruction images of disorder of stapes].

Objective: To evaluate the clinical application of multi-planar reformation (MPR) for the stapes with multi-slice spinal thin-section CT in the patients with disorder of stapes before prosthetic ossicular reconstruction and their impact on surgical decision.

Methods: Axial CT scanning of temporal bone was undergone in 50 volunteers. Multiplan reformatted images included coronal, sagittal and oblique MPR, were made.