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Biomedical subjects

F Maillot

Publications and source records attributed to F Maillot.

8 recordsLinked to original sources

[Nervous microangiopathy and POEMS syndrome].

The authors report the case of a 40 year-old man with POEMS syndrome (peripheral neuropathy, organomegaly, endocrinopathy, M-protein and skin changes). Pathological studies of the peroneal nerve showed a microangiopathy of the vasa nervorum. Several authors have already reported microvascular abnormalities that could be responsible for some systemic manifestations of the POEMS syndrome, involving the skin, the kidney and the peripheral nerves. This new case enhances this hypothesis. The relation between microangiopathy and plasma cell dyscrasia is unknown.

Adult

[Monocular circumduction nystagmus. Are the central oculomotor pathways partly monocular?].

Circumduction-related nystagmus is an extremely rare and complex oculomotor anomaly. A case observed in a patient with multiple sclerosis was monocular. The lack of any motor paralysis sign demonstrated that central oculomotor pathway dysfunction can affect only one eye. This would only be possible if the central oculomotor pathways were at least in part monocular.

Brain Stem

Plant thorn synovitis diagnosed by magnetic resonance imaging.

Plant thorn synovitis is an overlooked cause of monoarthritis, with difficulties in diagnosis and treatment (1). We report on a case of thorn induced synovitis, not confirmed by histopathology, but strongly suspected by magnetic resonance imaging (MRI), that visualizes the foreign body (first case reported).

Adult

[Visual perseveration and palinopsia: a visual memory disorder?].

Visual perseveration and palinopsia are defined as the persistence or the reappearance of the visual image. These infrequent symptoms are thought to be linked to the right hemisphere posterior areas. We report a case of this syndrome in which the initial fixation was foveal. The palinoptic image was sometimes moving. This suggests that palinopsia is due to a dysfunction of the visual memory, rather than of the visual system: this dysfunction may be related to hyperactivity of the visual buffer.

Brain Neoplasms

[Disappearance of akinesia in Parkinson disease during a manic attack].

We report the case of a woman suffering from severe Parkinson disease with severe motor fluctuations. During a manic attack, her anti-Parkinson treatment was interrupted for 36 hours during which no element of akinesia and no dyskinesia reappeared. This case is suggestive of a link between manic attacks and secretion of dopamine.

Aged