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Five patients presented with eyelid drooping (blepharoptosis). A 26-year-old man with oculomotor disorders without anisocoria and a slow progressive course without fluctuations had a myogenic condition. His diplopia was alleviated by prism glasses. Surgical correction of the ptosis was planned. An 81-year-old man in whom the symptoms showed a course that varied over time had a disordered neuromuscular transmission that responded well to pyridostigmine. A 57-year-old man with oculomotor disorders and a dilated pupil on the affected side had an injury to the oculomotor nerve (and other cranial nerves), which remained stable after endovascular treatment of the causative aneurysm. A 22-year-old man had a constricted pupil (Horner's syndrome) and pain in the head and neck due to dissection of the internal carotid; his symptoms disappeared spontaneously. A 34-year-old woman had an isolated ptosis due to detachment of the aponeurosis of the M. levator palpebrae superioris following the chronic use of hard contact lenses; she was advised as to how to remove the lenses cautiously, to prevent further detachment. Eyelid drooping can have many causes. A systematic arrangement of the information gathered by a careful medical history and neurological examination often provides a reasonably accurate indication of the possible causes of the complaints.

In two women, aged 29 and 49 years respectively, and a man aged 44 years, neurological signs pointed to multiple sclerosis (MS). In 2001, an international panel of experts revised the diagnostic criteria for multiple sclerosis (MS), which had been in use since 1983. As before, the fundamental diagnostic criterion remains dissemination in time and place of neurological abnormalities suggestive of demyelination. In contrast to the old criteria, the new criteria give diagnostic rules for the diagnosis of primary progressive MS. An even more important step is the further integration of MRI results in the new diagnostic criteria. This allows neurologists to diagnose MS earlier in the disease course, as was the case in the first woman: three months after the first symptoms a new MRI scan revealed dissemination in time. Recent research has shown, that MRI scans are reliable and can be used in clinical practice. If used correctly, the reliability of the diagnosis will also improve. The male patient had word-finding problems that do not fit with MS, and there were more than 9 MRI abnormalities, including juxtacortical, but no periventricular and infratentorial abnormalities. He had a vasculopathy. The second woman had dissemination in time and place, but there was a better explanation for the symptoms: neuromyelitis optica.

Three patients, two men aged 71 and one aged 73 years, were given artificial respiration because of acute respiratory failure. Subsequently they could not be weaned from artificial respiration, due to causes that were not immediately clear. It was ultimately found that the patients suffered from 'motor neuron disease', in two of them due to progressive spinal muscular atrophy, while the third, apart from loss of anterior horn motor cells, also had thoracic hydromelia. The patients died after termination of the artificial respiration.