Cases reported "Anisocoria"

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1/36. Downbeat nystagmus caused by thiamine deficiency: an unusual presentation of CNS localization of large cell anaplastic CD 30-positive non-Hodgkin's lymphoma.

    A 24-year-old woman with a large cell anaplastic CD 30-positive T-cell non-Hodgkin's lymphoma (NHL) developed downbeat nystagmus, anisocoria, and oscillopsia. Prior to overt cerebral invasion by NHL, she had a thiamine deficiency with very low thiamine concentrations in the CSF, probably caused by protracted vomiting and increased vitamin B1 consumption by intrathecal tumor cells. We believe that her neurologic symptoms were caused -- at least partly -- by thiamine deficiency, as she reacted well to thiamine supplementation at the beginning of treatment. ( info)

2/36. Primary brainstem injury: benign course and improved survival.

    Primary brainstem injury following head injury is a rare event. The victims often have features of supratentorial injury, and a primary isolated injury to the brainstem occurring due to shearing stresses or to injury from the tentorial edge is extremely rare. In the presence of supratentorial injury, these patients may have altered sensorium. Isolated brainstem injury may manifest itself as internuclear ophthalmoplegia, anisocoria, rigidity and cerebellar tremor. Such injuries are now being diagnosed more often due to improved imaging techniques. We treated nine such cases who had sustained primary brainstem injury in road traffic accidents, all but one of whom were subsequently independent. Primary brainstem injuries need not be associated with poor prognosis and mortality and may run a benign course with good quality of survival. ( info)

3/36. Postoperative anisocoria in a patient undergoing endoscopic sinus surgery.

    OBJECTIVE: anisocoria after sinus surgery can be related to serious complications such as intraorbital hematoma or increased intracranial pressure secondary to an expanding hematoma. CASE REPORT: A 51-year-old man underwent endoscopic surgery of sinuses, and developed anisocoria; likely a result of the local spread of cocaine used to provide local anesthesia and vasoconstriction. The localized effect of this anesthetic agent produced a typical picture of nasociliary ganglion block that subsided in a few hours. In the results, the nasociliary nerve block was noticed on recovery from anesthesia with no other neurologic deficit. Ophthalmologic examination demonstrated a short-lasting anisocoria with loss of accommodation and sensory block over the tip of the nose. CONCLUSION: The central spread of the local anesthetics should be considered as a differential diagnosis of unexplained anisocoria, especially when it is associated with loss of corneal reflex. ( info)

4/36. waardenburg syndrome with anisocoria and exotropia.

    A case of waardenburg syndrome with unusual features such as anisocoria, exotropia is reported. ( info)

5/36. Case study: bipolar disorder after head injury.

    A case of bipolar disorder subsequent to a mild head injury in a 15-year-old girl is reported. review of the literature indicates that this is an extremely rare outcome. Lack of adequate follow-up studies makes it difficult to accurately predict type and severity of psychiatric outcome. Assessment and management involves ongoing consideration of both organic and psychosocial factors even after initial negative investigations. ( info)

6/36. horner syndrome with equal-sized pupils in a case with underlying physiologic anisocoria.

    A case is presented in which horner syndrome occurred on the side of the larger pupil in underlying physiologic anisocoria. The unusual coincidence resulted in ipsilateral ptosis, but with clinically equal-sized and normally reactive pupils. ( info)

7/36. anisocoria associated with the medical treatment of irritable bowel syndrome.

    A case of anisocoria associated with oral pharmacologic treatment of irritable bowel syndrome is reported. A 26-year-old woman developed sudden onset of anisocoria and compromised accommodation that lasted 2 days after the use of oral scopolamine methylbromide for treatment of irritable bowel syndrome. The anisocoria and compromised accommodation occurred after contamination of the ocular surface after administration of scopolamine methylbromide and resolved within 1 week without further contamination. Oral preparations used for the pharmacologic treatment of irritable bowel syndrome can cause anisocoria due to anticholinergic pharmacologic blockade of the iris sphincter muscle. ( info)

8/36. Proximal M2 false aneurysm after head trauma--Case report.

    A 72-year-old male presented with a post-traumatic false aneurysm of the right proximal M2 artery with massive subarachnoid hemorrhage after closed head injury. Serial computed tomography (CT) and angiography showed the development of the aneurysm which was verified at autopsy. He was admitted in a drowsy state just after a motorcycle accident. Initial brain CT showed subarachnoid hemorrhage without skull fracture. Follow-up brain CT showed a huge hematoma in the right temporal lobe. He died 47 hours after the accident. Histological examination of the aneurysm showed a false aneurysm. delayed diagnosis of traumatic aneurysms leads to high mortality, so early surgical treatment is essential to save such patients. ( info)

9/36. Ophthalmic manifestations of Allgrove syndrome: report of a case.

    A male patient with the ocular manifestations of Allgrove or triple-A syndrome is described. The need for early diagnosis based on alacrima, anisocoria and optic atrophy of this potentially fatal condition is stressed. ( info)

10/36. Late detection of supraclinoid carotid artery aneurysm after traumatic subarachnoid hemorrhage and occlusion of the ipsilateral cervical internal carotid artery.

    BACKGROUND AND PURPOSE: We report the first case of traumatic aneurysm of the supraclinoid internal carotid artery (ICA), which we speculate may have developed or grown after traumatic occlusion of the ipsilateral cervical ICA. CASE DESCRIPTION: A 26-year-old man presented with severe traumatic subarachnoid hemorrhage (SAH) and occlusion of the right cervical ICA after a motor vehicle accident. Three-dimensional CT angiography on admission showed no aneurysm. However, cerebral angiography 3 weeks after the injury showed a large aneurysm of the right supraclinoid ICA. The aneurysm was trapped, and pathological examination showed that it was a traumatic aneurysm. CONCLUSIONS: In this case we cannot be sure that the aneurysm was not present on admission. In view of the significant SAH, a lesson of this case may be to suspect such an aneurysm early on and perform early diagnostic cerebral angiography. ( info)
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