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Biomedical subjects

J Y Fournier

Publications and source records attributed to J Y Fournier.

7 recordsLinked to original sources
PubMed2000

Extracranial vertebral artery dissection causing cervical root lesion.

The authors report an unusual manifestation of extracranial vertebral artery dissection (VAD), presenting with a predominantly motor radicular manifestation. Cervical magnetic resonance imaging (MRI) revealed the intramural hematoma in the dissected vessel wall, compressing mainly the segmental motor root and, to a lesser degree, the sensory ganglion. In the digital subtraction angiography (DSA), a circumscribed narrowing of the incriminated vessel was demonstrated. Color-coded Duplex imaging (CDDI) revealed complete recanalization after a few days of anticoagulation treatment. Complete neurologic recovery was seen after 3 months. Considering the MRI data, the likely pathogenetic mechanism was compression of the nerve root by the intramural hematoma. The synopsis with similar cases in the literature points to the characteristic features, i.e., the association of neck pain with radicular motor deficit and the absence of degenerative disk disease. The respective syndrome should raise the suspicion of vertebral artery dissection, especially in young individuals.

Adult↗
PubMed1996

Thermal diffusion blood flow monitoring during aneurysm surgery.

Cortical blood flow (CoBF) monitoring with a thermal diffusion flow probe was performed during the clipping of aneurysms of the ICA and MCA regions, on a series of patients during the acute stage of subarachnoid haemorrhage. Emphasis was placed on the CoBF recovery after temporary clip release. Since the absolute value in this technique is unreliable, recovery of blood flow after temporary clipping is represented as %CoBF according to the following equation: [see text]

Adult↗
PubMed1996

Total removal of a primary intracranial squamous cell carcinoma invading the brain stem.

BACKGROUND: Primary intracranial squamous cell carcinomas are extremely rare, and commonly manifest as malignant transformations of intracranial epidermoid cysts. METHODS: A case of primary squamous cell carcinoma invading the ventral brain stem and the trigeminal entry zone is described. The tumor was microsurgically totally removed via a paramedian supracerebellar approach. Three years after the operation the tumor recurred, and was again totally removed using the same approach. RESULTS: The patient showed no postoperative neurologic deterioration except for a transient deterioration of gait disturbances. The pathologic diagnosis was a recurrence of the squamous cell carcinoma. CONCLUSIONS: Since primary intracranial squamous cell carcinomas grow slowly and have a well demarcated capsule, total removal should be considered whenever possible.

Brain Neoplasms↗
PubMed1993

[Critical review of 25 patients treated for pubic pain with inguinal myorrhaphy (Nesovic operation)].

We present a review of 25 patients operated of inguinal myorrhaphy for "pubalgy". Between 1987 and 1991 25 patients have been operated following the principle of Nesovic. All have had previously a conservative management, consisting of physiotherapy. 23 patients are very satisfied or satisfied of their operation. 2 patients are not satisfied, the pain being the same after the operation. None has been worsen. Recalling the dismembering of the pubalgy by B. Brunet, we think that the operation of Nesovic must be reserved for the cases presenting an abdominal wall pathology. The intervention consists of an inguinal myorrhaphy and is similar to the cure of inguinal hernia by Bassini. It must be bilateral to equilibrate the tensions on the pubic symphysis. The patient must observe a sportive rest of at least 6 weeks and the competition is not taken up again before 8 weeks. The innocuity of the intervention allow it to be proposed as management of choice for cases correctly selected.

Abdominal Muscles↗