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 11,717 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

We report a case of cerebral aneurysm in a seven-year-old girl who presented with subacutely progressive third nerve palsy. To our knowledge this is the youngest reported patient with this condition. Confusion with myasthenia gravis occurred because of improvement in the patient's ptosis after intravenous edrophonium chloride. Cerebral CT revealed a hyperdense mass that was characterised on cerebral angiography as an aneurysm of the posterior communicating artery. Another occult aneurysm of the posterior cerebral artery was found at surgery. This case demonstrates that third nerve palsy due to cerebral aneurysm may affect patients at a younger age than has previously been recognised. Therefore we suggest that even young children should have aneurysm excluded by cerebral CT and angiography if they present with acquired third nerve palsy involving the pupil. In addition this case highlights the false-positive results that may occur with the edrophonium chloride test for myasthenia gravis.
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PMID:Third nerve palsy due to cerebral artery aneurysm in a child. 138 32

We have designed a screening system to diagnose unruptured aneurysms, including the use of digital subtraction angiography (DSA). We surveyed 115 patients who had undergone clipping procedures after subarachnoid hemorrhage (SAH) and questioned them with regard to the subjective symptoms. Sixty-eight of 92 patients who returned the questionnaire reported, prior to rupture, headache, eye pain, and neck pain most frequently, and also impairment of extraocular movements, ptosis, visual field defects, and motor and sensory disturbances. Nineteen (47.5%) of 40 patients who had complete pain relief after surgery complained of headache from 1 week to 1 month before SAH. In addition, nine patients (22.5%) complained of headache for several years, and were also pain-free after surgery. For the indication of DSA, we employed an expert system based on fuzzy set theory. Seven groups of parameters are: Group 1, a basic questionnaire concerning age, sex, and past and family histories; Group 2, 15 warning signs selected on the basis of retrospective study; and Groups 3-7, detailed questions concerning each sign. Scoring weights assigned to each condition based on the results of the retrospective study, and threshold values were determined by several neurosurgeons. The certainty factors for intermediate hypotheses were calculated from these weights and threshold values and summed up, from which the conclusion was obtained. Twelve new cases of unruptured cerebral aneurysm were diagnosed using this screening system. This system may improve the ability to diagnose cerebral aneurysms before rupture.
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PMID:New screening system for unruptured cerebral aneurysms--combination of an expert system and DSA examination. 170 35

Pituitary apoplexy is defined as a sudden loss of blood supply to the pituitary gland, leading to tissue necrosis and hemorrhage. Its clinical symptoms are characterized by sudden onset of headache, nausea, vomiting, ophthalmic symptoms and hormonal dysfunction. A 65-year-old woman presented with left-sided ptosis and blurred vision. These ophthalmic symptoms gradually worsened for one month without headache, visual acuity and field deficit. Neuro-ophthalmic examination revealed left oculomotor nerve palsy. Magnetic resonance imaging (MRI) revealed a round mass lesion in the left cavernous sinus, which was initially suspected as thrombosed cerebral aneurysm or hemorrhagic Rathke's cleft cyst. The mass lesion was finally diagnosed as pituitary apoplexy. The patient underwent trans-sphenoidal surgery and oculomotor nerve palsy improved after the surgery. Early diagnosis and treatment including surgical decompression are crucially important in patients with oculomotor nerve palsy in pituitary apoplexy, but the symptoms of pituitary apoplexy may slowly progress. It should be noted that pituitary apoplexy could be misdiagnosed as cerebral aneurysm or Rathke's cleft cyst.
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PMID:Pituitary apoplexy presenting atypical time course of ophthalmic symptoms. 2257 5

We report the case of a recurrent carotid cavernous fistula (CCF) originating from a giant cerebral aneurysm (GCA) after placement of a covered stent. A 47-year-old woman presented with sudden onset of severe headache, and left-sided exophthalmos and ptosis. Cerebral angiography revealed a CCF caused by rupture of a GCA in the cavernous segment of the left internal carotid artery. Two covered stents were placed at the neck of the aneurysm. The neurological symptoms improved at first, but were aggravated in the 6 months following the treatment. Contrast agent endoleak was seen in the distal area of the stent. Even though additional treatments were attempted via an endovascular approach, the CCF could not be cured. However, after trapping the aneurysm using coils and performing superficial temporal artery-middle cerebral artery bypass, the neurological symptoms improved. In cases of recurrent CCF originating from a GCA after placement of a covered stent, it is possible to treat the CCF by endovascular trapping and surgical bypass.
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PMID:Recurrent Carotid Cavernous Fistula Originating from a Giant Cerebral Aneurysm after Placement of a Covered Stent. 2784 80

A 19-year-old man with mitral valve endocarditis and prolapse, intracerebral and intracerebellar hematoma, and a mycotic cerebral aneurysm underwent emergency mitral valve replacement during minimal cardiopulmonary bypass (total priming volume, 800 mL; autologous retropriming, activated clotting time <300 seconds) 1 day after undergoing endovascular coil embolization of the aneurysm. Postoperatively, there were no extensions of the intracerebral and intracerebellar hematoma. After intensive rehabilitation therapy, the patient recovered fully except for residual bilateral claudication because of preoperative bilateral embolism to both superficial femoral arteries.
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PMID:Emergency Valve Replacement Under Minimal Cardiopulmonary Bypass for a Patient With Infective Endocarditis and Large Brain Hematoma: A Case Report. 2909 10

The abrupt onset of acute, high-intensity headache, unlike any experienced before, can be an urgent medical condition, which requires attention. A 32-year-old female patient developed thunderclap headache attacks had applied with increasing intensity and frequency since 1 week. She had visited the emergency department several times, and cranial computed tomography findings were normal. On the last presentation, neurological examination showed complete oculomotor nerve palsy on the left. Brain magnetic resonance imaging together with intracranial brain angiography revealed left posterior communicating aneurysm compressing the ipsilateral oculomotor nerve, with no evidence of subarachnoid hemorrhage. The patient was treated with endovascular balloon-assisted coil embolization of the aneurysm under digital subtraction angiography. As a result, the headache resolved soon after the intervention. Furthermore, complete ptosis recovered by the third month. Although thunderclap headache has rarely been attributed to an enlarging unruptured cerebral aneurysm, early recognition and treatment are rather important as it may indicate a high risk of rupture.
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PMID:Unruptured aneurysm producing thunderclap headache treated with endovascular coil embolization. 3002 82