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Biomedical subjects

B Coulier

Publications and source records attributed to B Coulier.

67 records · Page 4Linked to original sources
PubMedDate not supplied

Complicated Meckel's diverticulum diagnosed preoperatively in three cases by complementing CT with detailed us studies.

The clinical and imaging features of Meckel's diverticulum of the adult are reviewed through the report of three complicated cases, one presenting with perforation, the second with intestinal bleeding, and the third with intestinal occlusion due to phytobezoar impaction. Intradiverticular heterotopy of gastric mucosa was the responsible common denominator for the first two cases. Intradiverticular calcified entheroliths were also found in the second case. Obstruction due to a phytobezoar as observed in the third case is a very rare presentation. This report clearly emphasizes and encourages the approach of this difficult diagnosis by combined CT and US imaging.

Adult↗
PubMedDate not supplied

Colour duplex sonographic and multislice spiral CT angiographic diagnosis of ulnar artery aneurysm in hypothenar hammer syndrome.

We report a case of hypothenar hammer syndrome secondary to a thrombosed aneurysm of the ulnar artery in a 36-year-old patient presenting with pain due to compression of the ulnar nerve in the Guyon's canal. The initial diagnosis was made by colour Duplex sonography but complete assessment of the thrombosed aneurysm was performed by multislice spiral CT angiography (msCTa). This case illustrates the potential of msCT as an alternative to conventional arteriography.

Adult↗
PubMedDate not supplied

The spectrum of vacuum phenomenon and gas in spine.

Although true physical-chemical experimental proofs are lacking in the literature, numerous clinical reports have shown that many radiological manifestations of the so-called vacuum phenomenon (VP) only represent snapshots of a complex dynamic hydropneumatical continuum extending from true vacuum to gas and/or fluid and vice versa. In the great majority of cases, VP remains an incidental accessory or anecdotal finding but, nevertheless, it occasionally represents a useful clinical or radiological sign of critical importance for the understanding, clinical diagnosis, prognosis, and therapeutic implications of several spinal diseases. VP and gas collections have been described in segments of the spine including the disc space, Schmorl nodes and vertebral structures, the epidural and intradural spaces, synovial cysts, and facet joints. In this article the author discusses and illustrates many aspects of VP and gas in the spine through selected examples collected over an 18-month period of time.

Diagnosis, Differential↗
PubMedDate not supplied

Synovial haemangioma diagnosed during knee arthro-CT.

Synovial haemangiomas are uncommon lesions most frequently found in the knee. We report a case in the popliteal area fortuitously demonstrated during knee msCT arthrography in a young female. The diagnosis was made possible by the sharp enhancement of the tumor caused by the venous drainage of the contrast medium injected into the synovial cavity. The diagnosis was confirmed by msCT angiography and MRI.

Adult↗
PubMedDate not supplied

Renal pelvis haemangioma demonstrated by MSCT urography with ureteral compression and 3D reconstruction.

A rare case of renal haemangioma of the renal pelvis is reported. The 40-year-old patient classically presented with recurrent hematuria. The small pyelic tumour was clearly delineated by msCT urography obtained during compression of the uretera with rubber balloons classically used during IVP In the absence of a definite histological diagnosis--pyeloscopy being unsuccessful--the patient underwent radical nephrectomy. The literature concerning renal haemangioma is briefly reviewed and the role of compression assisted msCT urography as a possible method for the detection of small pyelocaliceal tumours is emphasized.

Adult↗
PubMedDate not supplied

Multidetector-row CT of renal arteries: review of the performances in normo- and hypertensive patients.

OBJECTIVE: To justify and illustrate the advantages of multidetector-row CT (MDCT) as probably the most effective method for imaging of renal arteries and to debate the question of multiple renal arteries. METHODS AND MATERIAL: The renal arteries of 158 hypertensive patients were investigated with 8-row and 16-row MDCT using a highly standardized protocol; the results were compared with those obtained in a group of 112 normotensive patients. RESULTS: MDCT of the renal arteries was found technically safely interpretable in 97.4% of cases. Fibromuscular dysplasia was found in 7/156 hypertensive patients (4.66%) concerning 9 arteries (2.18%) and > 50% atherosclerotic stenosis (in term of reduction of the cross-sectional area) was found in 11/156 patients (7%) concerning 14 arteries (3.4%). Accessory renal arteries were found in 66/156 hypertensive patients (42.3%) implicating 84 kidneys (27%) and in 50/112 patients (44.6%) of the normotensive group implicating 67 kidneys (29.9%). CONCLUSION: With a good protocol, MDCT of the renal arteries is technically interpretable in most patients and can safely rule out atherosclerotic stenosis and/or fibromuscular dysplasia. The systematic cine-review of the native millimetric reconstructions and volume rendering images are the most recommended methods. Direct axial MPR views of the arterial lumen are also possible permitting a precise calculation of the percentage of stenosis from the cross-sectional area of the artery, an advantage on DSA in cases of asymmetrical stenosis. Finally a very high prevalence of multiple renal arteries--the highest ever reported to our knowledge--is found and the prevalence appears similar in both hypertensive and normotensive groups; this high prevalence not only confirms and emphasises the very high sensibility and resolution of MDCT but also definitively disproves the hypothesis that multiple renal arteries could predispose to hypertension.

Adolescent↗
PubMedDate not supplied

Giant splenic artery aneurysm presenting as unusual cause of obstructive jaundice.

Giant splenic aneurysms larger than 8 cm (GSAA) are rare and often asymptomatic but present an increased risk of dramatic rupture, a life-threatening complication. The management of these aneurysms is especially challenging. We probably report the first case of GSAA revealed by clinical mechanical jaundice due to direct compression of the biliary tree. The lesion was diagnosed during abdominal ultrasound in a 68-year-old patient but determination of the specific splenic origin and extensive anatomic preoperative evaluation were achieved by MDCT. The case illustrates the new high quality performances of MDCT in the evaluation of complex vascular abdominal situations and is presented with a brief review of the relevant literature.

Aged↗