1/136. Changing characteristics of a colloid cyst of the third ventricle.We describe extremely unusual radiological characteristics in a colloid cyst of the third ventricle, where the cyst became dense and its size decreased following a cerebrospinal fluid diversion procedure. Such a course of events has been reported in colloid cysts only twice in the literature.- - - - - - - - - - ranking = 1keywords = colloid (Clic here for more details about this article) |
2/136. Calcification of presumed ovarian carcinoma brain metastases following radiotherapy.Multiple brain metastases from ovarian carcinoma are rare. CT findings are reported in a case treated with whole brain radiation therapy and chemotherapy. Radiological complete-calcified brain metastases following treatment and long morphological changes occurred. Delayed neurological findings in relation to treatment are considered. Long survival with unmodified calcified lesions may suggest a stabilization of CNS disease.- - - - - - - - - - ranking = 0.001236777836386keywords = carcinoma (Clic here for more details about this article) |
3/136. Cytologic diagnosis of a solitary brain metastasis from papillary carcinoma of the thyroid. A case report.BACKGROUND: Papillary carcinoma of the thyroid metastasizes to the brain in rare instances. In published series and case reports of metastatic papillary thyroid carcinoma, diagnosis of central nervous system (CNS) metastases has been determined by histologic methods. We present a case of papillary carcinoma metastatic to brain diagnosed by cytologic methods. CASE: A 43-year-old female, initially diagnosed at age 12 with papillary carcinoma of the thyroid metastatic to regional lymph nodes and lung, presented with head aches of increasing frequency and severity. A computed tomography scan confirmed a 1-cm nodule in the right inferior frontal lobe of the brain. For clinical reasons, the patient was followed with serial imaging for five years. At age 48 there was significant progression of the CNS disease, and the patient underwent stereotactic biopsy with drainage of cyst fluid. Cytologic examination of the cyst fluid and immunocytochemical studies confirmed the typical features of papillary thyroid carcinoma, including papillary clusters of cells with finely granular chromatin, micronucleoli, nuclear grooves and an associated psammoma body. CONCLUSION: Neurocytology is a useful technique in the examination of cystic lesions of the brain and may be the sole technique for determination of diagnosis.- - - - - - - - - - ranking = 0.0022262001054949keywords = carcinoma (Clic here for more details about this article) |
4/136. Stereotactic cyst wall disruption and aspiration of colloid cysts of the third ventricle.BACKGROUND: Current strategies of surgical therapy for colloid cysts have been associated with low rates of initial success and high rates of morbidity, mortality and recurrence of cysts. Cyst recurrence following simple stereotactic aspiration has been hypothesized to be due to regrowth of the epithelium composing the cyst wall. methods: We propose a procedure involving stereotactic disruption of the colloid cyst wall with the removal of a portion of the cyst wall followed by aspiration of cyst contents as a surgical therapy for colloid cysts. RESULTS: This procedure was performed in 2 female and 3 male patients who were followed for an average of 49 months with all patients demonstrating immediate improvement of symptoms and resolution of the cyst verified with repeat computerized tomography (CT) scans. There was one incidence of recurrence in an asymptomatic patient at 75 months postoperatively. CONCLUSION: We propose that stereotactic partial cyst wall disruption and content aspiration may limit recurrence of colloid cysts, thus offering an advantage over simple stereotactic aspiration alone.- - - - - - - - - - ranking = 1.3333333333333keywords = colloid (Clic here for more details about this article) |
5/136. Gastric carcinoma in sotos syndrome (cerebral gigantism).We report the first case of the association of sotos syndrome and gastric carcinoma (containing signet ring cells) in a twin patient. The other-probably monozygous-twin is also affected by the sotos syndrome. The association of malign tumors in sotos syndrome and other overgrowth syndromes is discussed.- - - - - - - - - - ranking = 0.001236777836386keywords = carcinoma (Clic here for more details about this article) |
6/136. Familial fatal and near-fatal third ventricle colloid cysts.BACKGROUND: Despite having a presumed congenital origin, familial cases of colloid cysts have been reported only rarely. The first case of a brother and sister with colloid cysts is reported here, and the relevant literature is reviewed. methods: A 25-year-old man presented with a 24-h history of headache and vomiting. He rapidly became unconscious and fulfilled the criteria for brain death on arrival at hospital. No surgical intervention was performed. RESULTS: The patient's sister presented at the age of 41 with headaches and rapidly became unconscious. The sister had urgent bilateral ventriculostomies. followed by transcallosal removal of a colloid cyst. CONCLUSIONS: These cases support the hypothesis that colloid cysts are congenital lesions and provide some evidence of a possible genetic predisposition to their formation. Sudden death remains a real risk for patients harbouring a colloid cyst.- - - - - - - - - - ranking = 1.5keywords = colloid (Clic here for more details about this article) |
7/136. Familial colloid cysts of the third ventricle: case report.OBJECTIVE AND IMPORTANCE: Familial colloid cysts of the third ventricle are very rare. This is the largest family reported and the first in which all affected members are female and all members have been screened. Screening led to the diagnosis of an asymptomatic case of a colloid cyst of the third ventricle, and the management of that lesion is discussed. CLINICAL PRESENTATION: A mother and two daughters who were diagnosed with colloid cysts of the third ventricle, from a family containing four sisters, three brothers, and the father, are presented. INTERVENTION: The index patient (Patient 2) underwent computed tomographic scanning-guided stereotactic transcallosal excision of her colloid cyst. Her siblings and her father were screened using magnetic resonance imaging as well as computed tomographic scanning. cytogenetic analysis of blood samples obtained from the patient and her family revealed no chromosomal abnormalities. CONCLUSION: Screening is of value for families in which two or more members are affected. The management of asymptomatic cases is influenced by the lesion size and the age and fitness of the patient.- - - - - - - - - - ranking = 1.3333333333333keywords = colloid (Clic here for more details about this article) |
8/136. Differential cognitive effects of colloid cysts in the third ventricle that spare or compromise the fornix.A series of twelve cases, all of whom had received surgery for the removal of a colloid cyst in the third ventricle, was examined on a series of memory tests. The only consistent predictor of poor memory performance that could be detected from MRIs was the presence of bilateral interruption of the fornix, which occurred in three of the subjects. Although these three cases were poor on tests of learning and recall, there was evidence that recognition was less impaired. The subjects were also tested on a set of recognition and concurrent discriminations that closely matched tests given to non-human primates. Clear parallels were found between the apparent effects of fornix damage in these clinical cases and those observed following more selective surgery in non-human primates. These findings not only indicate that fornix damage is sufficient to induce anterograde amnesia but also support the validity of recent animal tests that are thought to capture aspects of episodic memory.- - - - - - - - - - ranking = 0.83333333333333keywords = colloid (Clic here for more details about this article) |
9/136. Anaesthetic management of a parturient with a colloid cyst of the third ventricle.A colloid cyst in the third ventricle near the foramen of Monroe can obstruct cerebrospinal fluid (CSF) flow from the lateral ventricles. Any change in the CSF pressure on either side of the cyst can lead to displacement and thus precipitate acute hydrocephalus. Management of the confinement of a patient with a colloid cyst must therefore aim to minimize changes in CSF pressure. We describe our management of a patient with a small colloid cyst who was permitted to labour with the assistance of patient-controlled epidural analgesia. The available alternatives are discussed.- - - - - - - - - - ranking = 1.1666666666667keywords = colloid (Clic here for more details about this article) |
10/136. Colloid cyst of the third ventricle: imaging-pathologic correlation.colloid cysts are relatively rare intracranial lesions located in the rostral aspect of the third ventricle. They may produce acute hydrocephalus, brain herniation, and lead to death. Although the clinical and imaging features of colloid cysts are well known, their etiology and the factors responsible for their imaging features continue to be a subject of debate. We present the imaging-pathologic correlation of a patient with a colloid cyst as well as data supporting the fact that the presence of cholesterol is probably responsible for the MR imaging features exhibited by some colloid cysts.- - - - - - - - - - ranking = 0.5keywords = colloid (Clic here for more details about this article) |
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