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Biomedical subjects

D Baleriaux-Waha

Publications and source records attributed to D Baleriaux-Waha.

At least 19 recordsLinked to original sources

Cauda equina syndrome in ankylosing spondylitis. Anatomical, diagnostic, and therapeutic considerations.

This article describes a case of cauda equina syndrome associated with ankylosing spondylitis, and reviews 28 additional cases in the literature. The neurological symptoms appear late in the evolution of spondylitis, when it is at an inactive stage. The diagnosis is easily confirmed by myelography, with watersoluble contrast and performed in a supine position, and by computerized tomography (CT) scan of the lumbar spine. The typical features are dilated lumbar sac with multiple dorsal diverticula. The pathogenesis of this entity remains the subject of speculation. Arachnoiditis with subsequent adhesions is the most likely explanation. No treatment has proved helpful so far. Surgery is not indicated.

Adult↗

[Computer tomography appearances of intracranial epidermoid and dermoid cysts as demonstrated by three cases (author's transl)].

The authors describe the computer tomography appearances of intracranial epidermoid and dermoid cysts as demonstrated by three cases, and review the published literature. Dermoid and epidermoid cysts can be distinguished from each other by their topography (dermoid cysts are found more medially while epidermoid cysts occur on the base of the skull and in the pontocerebellar angle), by the presence or not of calcification (found almost exclusively in dermoid cysts), and by their computer tomography appearances. Both tumors have low densities, below that of the cerebrospinal fluid, but dermoid cysts have lower densities than epidermoid cysts, which can be easily explained by referring to the anatomo-pathological appearance.

Adult↗

[Solitary vertebral osteochondroma with spinal cord compression (author's transl)].

Solitary vertebral osteochondromas with spinal cord compression are very rare. Here we report a case of an osteochondroma of the 5th cervical vertebra protruding into the spinal canal. The therapeutic approach is discussed in relation to the natural evolution and the favourable prognosis of these lesions. The usefullness of the C.T. scan is shown both in diagnosis and post-operative follow-up.

Adult↗

Traumatic arteriovenous fistulas of the vertebral artery.

Arteriovenous fistulas of the vertebral artery are uncommon. Trauma, arterial erosion by abscess and congenital weakness of the arterial wall are the most frequent cause of these fistulas. Few of them have been reported following percutaneous puncture of the vertebral artery. Two such cases, as well as an exceptionnel false traumatic aneurysm of the V4 segment of the vertebral artery in front of a fracture of the occipital bone, are described here. The latter patient also has a malformation of the craniovertebral joint.

Arteriovenous Fistula↗