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Biomedical subjects

J M le Parc

Publications and source records attributed to J M le Parc.

3 recordsLinked to original sources

Destructive polyarthritis due to a group B streptococcus.

A new case of destructive polyarthritis due to a Group B streptococcus is reported. The patient was a 55-year-old male whose predominantly axial manifestations in the absence of evidence of an infection initially suggested psoriatic arthritis. Although rare, Group B streptococcal arthritis has been reported outside the postpartal and neonatal periods. Monoarthritis with a favorable outcome has been the most common clinical pattern. Several cases of destructive polyarthritis with axial involvement have been reported in which the joint destruction and longer time to diagnosis as compared with monoarticular forms resulted in permanent functional impairment.

Arthritis, Infectious↗

Chemodectoma of the cauda equina.

We report a new case of chemodectoma of the cauda equina, in a 52-year-old male who presented with low back pain and sciatica, then rapidly developed cauda equina syndrome. Magnetic resonance imaging demonstrated a tumor at the L2-L3 level. Complete excision was performed and the tumor was found to be a chemodectoma. Chemodectomas are rare neural crest tumors that are usually located at the neck. About 70 cases involving the cauda equina have been reported. Most are benign, although local recurrences occur in 4% of cases. A case with a cerebellar metastasis has been reported. Long-term follow-up should be provided.

Cauda Equina↗