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Biomedical subjects

D Moffie

Publications and source records attributed to D Moffie.

At least 19 recordsLinked to original sources

A century of Dutch neurology.

The Netherlands Society of Neurology evolved from the Society of Psychiatry founded in 1871. The name was changed into Netherlands Society of Psychiatry and Neurology (NSPN) in 1897. In the same year, the word neurology was also added to the name of the journal. The Society steadily blossomed, but in 1909 the first signs of dissatisfaction occurred: the Amsterdam Neurologists Society was founded. A few split-offs would follow. The number of members of the NSPN increased from 205 in 1920 to 585 in 1960. In the early 1960s, the Society was reorganised and would consist of two sections, one for psychiatry and one for neurology. However, this would not last, as a full separation was established in 1974. For several reasons, the name of the journal was changed four times until it assumed its present name in 1974. The 100th volume of CNN was not published, as expected. in 1996, but in 1998, because of two skipped publication years, one during WWII and another in the 1970s. During the last decades of the nineteenth century, teaching of neurology was mostly given within the frame of psychiatry, following the German tradition of 'brainpsychiatry' (organic or biologic psychiatry). The first official chair of psychiatry was founded at Utrecht, 1893 (Winkler). In Amsterdam, private teachers such as Delprat taught 'electro-therapy and nervous diseases' since the 1880s. The first extraordinary chair of neurology and electrotherapy was founded for his successor, Wertheim Salomonson in 1899. The first university clinic for psychiatry and neurology started at the Amsterdam Municipal University, when Winkler became professor of psychiatry and neurology in Amsterdam in 1896. Around the turn of the century, chairs of psychiatry and neurology were also founded in Groningen and Leiden. Separate chairs for neurology and psychiatry appeared in Amsterdam in 1923 and in Utrecht in 1936. Following an initiative of Brouwer, the first neurological university clinic opened its doors in Amsterdam in 1929. In the 20th century, a number specialised peripheral neurological clinics and epilepsy institutes were founded. In 1909, the the Central Institute for Brain Research was established in Amsterdam.

Electroconvulsive Therapy↗

Aberrant nerve fibres within the central nervous system.

Three cases of aberrant nerve fibres in the spinal cord and medulla oblongata are described. The literature on these fibres is discussed and their possible role in regeneration. Different views on the possibility of regeneration or functional recovery of the central nervous system are mentioned in the light of recent publications, which are more optimistic than before.

Axons↗

Early blindness and coma during intrathecal chemotherapy for meningeal carcinomatosis.

A 35-year-old woman was treated with intraventricular methotrexate (MTX) with a total dose of 70 mg followed by cytosine arabinoside (Ara-C) with a total dose of 80 mg for meningeal metastasis of breast carcinoma. Radiation therapy was not given. Despite a response of the meningeal tumor the patient developed in the third week of MTX treatment a progressive visual loss and loss of consciousness which worsened during subsequent Ara-C treatment and led to death within 3 weeks. Postmortem examination revealed only minimal neoplastic infiltration of the meninges. Multiple foci of axonal degeneration and demyelination were found in the optic nerves and chiasm, the superficial layers of the brainstem, and spinal cord and to some extent in other cranial nerves and spinal nerve roots. The possible causes of this previously unreported early complication are discussed.

Adenocarcinoma↗

Acute fever and delayed leukoencephalopathy following low dose intraventricular methotrexate.

Nine out of 14 patients treated with intraventricular methotrexate (MTX) for meningeal carcinomatosis from breast carcinoma and surviving more than 4 months developed disseminated necrotising leukoencephalopathy (DNL). All four patients who had received both intraventricular MTX and whole brain radiotherapy developed DNL. Five of the six patients who experienced an acute febrile reaction with mild encephalopathic signs following intraventricular administration of MTX developed DNL after a mean time of 5 months and a low mean dose of 44 mg MTX. DNL was also noted in two patients without a previous febrile reaction or whole brain radiotherapy, following prolonged intraventricular MTX therapy after a mean time of 19.5 months and a mean dose of 147 mg MTX. These findings confirm the hazards of (1) high cumulative doses of intrathecal MTX and (2) combined intrathecal chemotherapy and whole brain radiotherapy. This study also suggests a possible relationship between an early and transient febrile reaction during intraventricular administration of MTX and the development of DNL.

Adult↗

Congenital malformations of the spinal cord without early symptoms.

Description of 11 patients with congenital malformations of the spinal cord. Six of them were males, five females and the age varied from 7 to 70 years. Most of these cases produced clinical neurological signs indicating spinal cord disease in later life during an intercurrent disease. It was thought that changes in the bloodvessels and/or perfusion of the area of the spinal cord malformation was the ultimate cause of the neurological symptoms. An exact explanation of the origin of these developmental disturbances of the spinal cord remains unknown. Different hypotheses proposed in the literature, concerning these malformations, are not satisfactory.

Adolescent↗

Pain and neuroma formation in Wallenberg's lateral medullary syndrome.

We report a patient with a Wallenberg's lateral medullary syndrome in which pain was a prominent feature. This led to substitution of the original and correct diagnosis by that of a thalamic syndrome for which a prefrontal leucotomy was performed. The patient died some years later from a myocardial infarction and autopsy was performed. In the dorsolateral part of the medulla oblongata a cavity was found in which aberrant nerve fibres with neuroma-like formations could be seen. These fibres coursed along blood vessels, and penetrated from the surface of the medulla oblongata. On the base of the clinico-pathological correlations, it is conjectured that destruction of the lateral reticular formation cannot be the sole cause of the severe pain.

Brain Neoplasms↗

Parinaud's syndrome.

Five cases of a tumour in the quadrigeminal area have been described, 4 of which could be verified by autopsy. In 2 cases with a metastasis in the tegmentum of the mesencephalon, a Parinaud syndrome was present. In 2 other cases, however, with extensive destruction of the quadrigeminal plate and of the posterior commissure this syndrome was not present. In the 5th case, with a big vascular tumour of the pineal area, disturbances of eye movements and pupils were also lacking. From these observations we may conclude that (1) destruction of the quadrigeminal plate has no influence upon vertical eye movements. (2) destruction of the posterior commissure, in combination with the quadrigeminal plate, is not always followed by disturbances of vertical eye movements. In man it is still not clear which structures are responsible for the performance of vertical eye movements.

Aged↗

Solitary midbrain metastasis.

The available clinical and pathological data of 5 cases with solitary midbrain metastasis including 2 of the present study are reviewed. Progressive dementia occurred in one case and mild dementia in another who also developed ocular symptoms. Ocular symptoms with sensory and coordination disturbances were seen in one, and only ocular symptoms in another case. Right-sided hemiplegia of 5 years duration occurred in the remaining case. Survival in tegmentum lesions is short.

Adult↗

Intramedullary metastasis.

Three cases of intramedullary metastases and one of a metastasis into the medulla oblongata are described. In two cases the primary tumour was a bronchial carcinoma and in one case a carcinoma of the breast. In one patient a primary tumour could not be found. The literature on this condition is reviewed and the difficulties of clinical diagnosis are discussed. The question remains unanswered as to the mechanism by which these tumour-cells reach the spinal cord and there is, as yet, no satisfactory explanation for the relative rare occurrence of these metastases.

Aged↗

Effects of brain-stem and thalamic lesions on the corneal reflex: an electrophysiological and anatomical study.

In 9 patients with Wallenberg's lateral medullary syndrome, one patient with a midbrain lesion involving the right side of the tegmentum, and 2 patients with a thalamic lesion, corneal reflexes were investigated by a new electromyographic technique. The electrophysical results were compared with the results obtained by clinical observation. In the lateral medullary lesions the electrophysiologically obtained reflex responses showed four types of abnormality. Type A consisted of a bilateral delay and type B a bilateral absence of the corneal reflex response to stimulation on the affected side in combination with a normal reflex response on both sides when the cornea on the normal side was stimulated. Type C, which was present in one case, and type D which was seen in 3 cases, consisted of a bilateral absence of the corneal reflex upon stimulation on the affected side; stimulation on the unaffected side produced a normal reflex response on the intact side in combination with, respectively, a delay or absence of the corneal reflex response on the affected side. Comparison of the clinical observations with the electrophysiological findings revealed minor discrepancies in type A and B abnormalities. However, the electrophysiological type C and D abnormalities were not detected by clinical observation. These findings demonstrate that electrophysiological recording of the corneal reflex may reveal clinically undetectable abnormalities. From the electrophysiological findings it is concluded that the corneal reflex is conducted along medullary pathways running both ipsilaterally and contralaterally from the stimulated side before connecting, respectively, with the ipsilateral and contralateral facial nucleus. From the anatomical findings it is suggested that the ascending pathways from the spinal fifth nerve complex to the facial nuclei are located in the lateral reticular formation of the lower brain-stem. The normal corneal reflex responses in the presence of thalamic and midbrain lesions involving nociceptive fibres in the trigeminothalamic tract do not support a previously postulated long-loop reflex arc passing through this tract. The suprabulbar influence upon the corneal reflex is discussed.

Brain Diseases↗

Spinothalamic fibres, pain conduction and cordotomy.

Description of four cases of cordotomy for intractable pain in which autopsy could be performed. In two of the cases the lesion had been placed (unintentionally) in the posterior quadrant of the spinal cord with good results as to the abolishing of pain. It is concluded that the conduction of pain and temperature stimuli is not restricted to the anterolateral part of the spinal cord but that this conduction may also take place along fibres in the posterolateral quadrant. A further conclusion is that the results of cordotomy are related to the number of cut fibres.

Aged↗