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Biomedical subjects

W E Hitselberger

Publications and source records attributed to W E Hitselberger.

At least 73 records · Page 4Linked to original sources

Retrolabyrinthine approach: technique and newer indications.

Excellent exposure of the cerebellopontine angle is obtained by an approach through the mastoid posterior to the labyrinth. Since the major portion of the dissection is extradural, this approach is associated with a very low morbidity. The retrolabyrinthine approach has been used for several years for selective partial section of the posterior root of the trigeminal nerve in cases of trigeminal neuralgia. Complete relief of pain has been accomplished in 25 of 28 cases, and the other 3 patients had partial relief of pain. The only complications in these patients were partial hearing impairment in 2, and 1 partial abducens nerve paralysis which subsequently recovered completely. Two patients required secondary closure of cerebrospinal fluid leaks. This approach has also been used for exploration and biopsy of cerebellopontine angle tumors and for treatment of other cranial nerve problems. We conclude that the retrolabyrinthine approach is the preferred route to the cerebellopontine angle in a variety of clinical conditions.

Abducens Nerve↗

Trigeminal neuralgia: retrolabyrinthine selective posterior root section.

Experience gained from the treatment of 41 patients with 42 operations for the relief of Vth nerve pain over the past 5 years is reported. For the selective section of the posterior root of the trigeminal nerve 28 retrolabyrinthine procedures were performed for typical tic douloureux with complete lasting relief in 25; 1 was relieved with the addition of aspirin; and 2 were relieved by Tegratol even though it was ineffective before surgery. There were no deaths and no serious complications. None had facial paralysis or anesthesia dolorosa. The retrolabyrinthine approach to the posterior root of the trigeminal nerve is ideally suited for those patients with refractory tic douloureux or patients with facial pain secondary to other causes such as tumor. Because of its effectiveness and low morbidity, this procedure offers advantages over other surgical techniques.

Adult↗

The transcochlear approach to the skull base.

A new approach to tumors of the skull base is described. This approach is accomplished by forward extension of the translabyrinthine opening into the cerebellopontine angle. The facial nerve is mobilized in the temporal bone from the stylomastoid foramen to its entrance into the internal auditory canal. Having removed the barrier of the facial nerve, additional bone removal can be carried forward to the internal carotid artery, which now becomes the forward limit for temporal bone resection. The access attained through this exposure allows removal of tumors arising from the petrous tip, as well as tumors arising directly from the clivus. We provide the case histories of four patients in whom this approach was successfully used in removal of skull base tumors.

Adult↗

Jugular venography.

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Anesthesia, Local↗