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 31,883 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Purpose of this study is to determine the types, incidence, and severity of acute complications of intracranial stereotactic radiosurgery (SRS), specifically Gamma Knife (GK). Patients who had never had previous SRS were eligible for this prospective IRB-approved study. The questionnaire used applicable questions from CTCAE v.3.0, the Brief Pain Questionnaire (Short Form), Brief Fatigue Inventory, and the Tinnitus Handicap Inventory. Questionnaires were obtained prior to Gamma Knife (GK), 1 week, 1 month, and 2 months to assess complications. Seventy-six eligible patients (median age of 62 years) had complete data and were analyzed. Diagnoses included: 26 (34%) with brain metastases, 15 (20%) with trigeminal neuralgia, 12 (16%) with schwannoma, 10 (13%) with meningioma, 7 (9%) with arteriovenous malformation, 3 (4%) with pituitary adenoma, and 3 (4%) with other. At 1 week, 24% developed minimal scalp numbness (p =0.0004 baseline compared to 1 week). Only 13% had minimal scalp numbness at 1 month and 2% at 2 months (both p=NS compared to baseline). There was no difference in scalp tingling between baseline and the various time points. Thirteen percent developed pin site pain at 1 week with a median intensity level of 2 out of 10. By one month, only 3% had pin site pain with a median intensity level of 3 out of 10. Four percent developed pin-site infection at 1 week and none at 1 and 2 months. There was no significant difference in nausea from baseline at 1 week, but there was worsening nausea at 1 month (p =0.0114). By 1 month, 10% reported new local hair loss. 23%, 16%, and 15% complained of new/worsening fatigue at 1 week, 1 month, and 2 months, respectively, but 40% reported fatigue at baseline. Balance improved following SRS over all time periods (for all comparisons, p <0.009). 1%, 6%, and 3% developed new tinnitus at 1 week, 1 month, and 2 months, respectively, which was significant when comparing baseline to non-baseline (p =0.0269). Thirty-two patients were employed prior to SRS. Three (9%) patients did not return to work. Twenty-seven (84%) patients returned to work a median of 4 days after SRS. Two people did not report their employment status after SRS. There was no significant difference in face swelling, headache, eye pain, vomiting, seizures, or passing out at any intervals compared to baseline. This prospective study demonstrates that GK is well tolerated with few patients developing major acute effects. Many patients are able to return to work shortly after GK.
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PMID:Prospective study of the short-term adverse effects of gamma knife radiosurgery. 2233 5

Spontaneous pituitary apoplexy in the absence of a known pre-existing pituitary adenoma is a very rare cause of sudden onset headache, but can be potentially sight- and life-threatening. We describe a case of a 37-year-old man who presented to the Emergency Department with a severe headache, associated nausea, vomiting and features of meningism. A suspected clinical diagnosis of subarachnoid haemorrhage led to an urgent computed tomography scan of the head demonstrating a large pituitary macroadenoma. A diagnosis of pituitary apoplexy was suspected and he was transferred as an emergency case to the regional tertiary hospital for management. A further urgent magnetic resonance imaging scan showed haemorrhage into the pituitary adenoma, confirming pituitary apoplexy. We discuss this clinical condition and the new UK national guidelines which have recently been published to improve clinical assessment, investigation and management of patients with suspected pituitary apoplexy.
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PMID:An unusual case of sudden onset headache due to pituitary apoplexy: a case report and review of the new UK guidelines. 2269 95

A 75-year-old lady presented with sudden severe headache and vomiting. Examination was normal, and CT and lumbar puncture not convincing for subarachnoid haemorrhage. Shortly thereafter, she developed painless diplopia. Examination confirmed right third cranial nerve palsy plus homonymous left inferior quadrantanopia. Urgent cerebral MRI with angiography was requested to assess for a possible posterior communicating artery aneurysm, but revealed an unsuspected pituitary mass. Pituitary adenoma with pituitary apoplexy was diagnosed. Pituitary apopolexy is a syndrome comprising sudden headache, meningism, visual and/or oculomotor deficits, with an intrasellar mass. It is commonly due to haemorrhage or infarction within a pituitary adenoma. Treatment includes prompt steroid administration, and potentially surgical decompression. While subarachnoid haemorrhage is an important, well-recognised cause of sudden severe headache, other aetiologies, including pituitary apoplexy, should be considered and sought.
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PMID:Sudden headache, third nerve palsy and visual deficit: thinking outside the subarachnoid haemorrhage box. 2391 76

Pituitary apoplexy is a rare condition which may cause death of the patient in severe cases and many times leads to hypopituitarism. We report a case of apoplexy in a large prolactinoma resulting in empty sella syndrome followed by a successful pregnancy. Our patient is a 32-year-old female with a history of a macroprolactinoma for approximately 17 years who presented to our hospital with a history of severe headache, decreased level of consciousness, fever, nausea, vomiting, and diplopia of 12 hours duration. Magnetic resonance imaging done on admission showed an increase in the size of the pituitary adenoma with a subtle hemorrhage. The patient was admitted to the intensive care unit and treated conservatively. The condition of the patient improved within a few days. A few months later, she started having regular menstrual periods. A magnetic resonance imaging of the pituitary 1.5 years later was reported as empty sella syndrome, and approximately one year later she became pregnant. With the pituitary adenoma being resolved after developing pituitary apoplexy and continuing on cabergoline, the patient had a successful pregnancy with no recurrence of the adenoma after delivery and breastfeeding.
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PMID:Successful pregnancy in a female with a large prolactinoma after pituitary tumor apoplexy. 2419 92

A 24-year-old woman was admitted with general weakness, umbilical swelling, developmental delay, speech disorder, constipation, gait problem. Her findings were umbilical hernia, xerosis, dry hair, and short stature. After thyroxine treatment, she also had headache, vomiting, and palpitation, lack of appetite, and sleep disturbance. Pituitary magnetic resonance imaging revealed a heterogeneous mass at the central part of the gland on coronal section and it was interpreted as pituitary apoplexy. In the current case, the patient with congenital hypothyroidism (CH) developed pituitary apoplexy (PA) after thyroxine therapy. Therefore, it is suggested that the complaints were related to PA rather than adrenal insufficiency. Here we describe a case report evaluating PA in a patient with thyrotrophic pituitary adenoma due to CH. To the best of our knowledge, this is the first case in terms of PA associated with CH after thyroxine therapy in the literature.
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PMID:Pituitary apoplexy due to thyroxine therapy in a patient with congenital hypothyroidism. 2444 36

Pituitary apoplexy syndrome is characterised by acute neuro-ophthalmological features and usually occurs due to bleeding in a pituitary adenoma. It is an unusual presentation of tuberculoma, as only few similar cases have been reported previously. A 17-year-old girl presented with headache, vomiting, altered sensorium and vision loss. MRI of the brain revealed ring enhancing sellar lesions with other enhancing lesions and leptomeningeal enhancement. Cerebrospinal fluid microscopy, biochemistry and PCR for tuberculosis confirmed tubercular meningitis. The patient was treated with antituberculous therapy and was asymptomatic at the end of treatment.
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PMID:Pituitary apoplexy syndrome as the manifestation of intracranial tuberculoma. 2467

Pituitary apoplexy is a rare but potentially life-threatening clinical syndrome characterized by ischemic infarction or hemorrhage into a pituitary tumor. The diagnosis of pituitary tumor apoplexy is frequently complicated because of the nonspecific nature of its signs and symptoms, which can mimic different neurological processes, including meningitis. Several factors have been associated with apoplexy, such as dopamine agonists, radiotherapy, or head trauma, but meningitis is a rarely reported cause. We describe the case of a 51-year-old woman with acromegaly due to a pituitary macroadenoma. Before surgical treatment, she arrived at Emergency with fever, nausea, vomiting and meningismus. Symptoms and laboratory tests suggested bacterial meningitis, and antibiotic therapy was initiated, with quick improvement. A computerized tomography (CT) scan at admission did not reveal any change in pituitary adenoma, but a few weeks later, magnetic resonance imaging (MRI) showed data of pituitary apoplexy with complete disappearance of the adenoma. Currently, her acromegaly is cured, but she developed hypopituitarism and diabetes insipidus following apoplexy. We question whether she really experienced meningitis leading to apoplexy or whether apoplexy was misinterpreted as meningitis. In conclusion, the relationship between meningitis and pituitary apoplexy may be bidirectional. Apoplexy can mimic viral or bacterial meningitis, but meningitis might cause apoplexy, as well. This fact highlights the importance of differential diagnosis when evaluating patients with pituitary adenomas and acute neurological symptoms.
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PMID:Spontaneous remission of acromegaly: apoplexy mimicking meningitis or meningitis as a cause of apoplexy? 2472 69

Pituitary infarction or apoplexy with spontaneous cure of the underlying pituitary adenoma is rare. In the paediatric population, we found only a few reported cases. We report a rare case of pituitary infarction progressing to CSF-sella syndrome (or empty sella) in an 11-year-old girl. She presented with sudden onset vomiting, moderate headaches, lethargy, weight loss, and tall stature above her mid-parental height. She did not have any severe symptoms of apoplexy. Her clinical and radiological findings suggested infarction of a pituitary lesion, such as a pituitary adenoma or infarction of a cystic lesion, such as a Rathke's cleft cyst. In this report, we discuss her case of probable infarction of a growth hormone secreting adenoma with a phase of accelerated growth ending up with total anterior pituitary insufficiency. The differential diagnosis and review of the rare cases of paediatric pituitary infarction in the literature will be discussed.
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PMID:A rare case of pituitary infarction leading to spontaneous tumour resolution and CSF-sella syndrome in an 11-year-old girl and a review of the paediatric literature. 2485 15

Idiopathic granulomatous hypophysitis (IGH) is a rare inflammatory disease of the pituitary that commonly presents with enlargement of the pituitary gland. Clinically and radiologically, IGH is a rare sellar entity easily to be misdiagnosed as a pituitary adenoma. Through such a case, we aim to present this rarity and emphasize the importance to correctly diagnose confusing pituitary lesions comprehensively by clinical presentations, radiological signs, and biopsy. We present an uncommon case of IGH in a 19-year-old man. The patient was admitted to the hospital with severe headache, vomiting, and vision's sharp decline. Magnetic resonance imaging showed a sellar lesion with obvious cystic change and ring enhancement. The disease course including diagnosis and treatment was presented and analyzed in detail. The pertinent literature is reviewed regarding this uncommon entity. The patient underwent surgical exploration and partial resection via the transsphenoidal approach. The pathologic findings suggested IGH giving no significant evidences of systemic granulomatous disease and venereal disease. Large dose methylprednisolone was then used. The pituitary function recovered, but there was no apparent improvement of his vision. IGH is a rarely occurred inflammatory disease of unknown etiology. It is difficult to diagnose preoperatively and is often misdiagnosed. Although rare, IGH should be kept in mind in terms of differential diagnosis of sellar region lesions.
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PMID:Idiopathic Granulomatous Hypophysitis Mimicking Pituitary Abscess. 2618 44

Pituitary adenoma is a common primary brain neoplasm. Pituitary apoplexy (PA) is a rare complication of pituitary adenoma and occurs as the result of sudden tumor growth and following different comorbidities. The authors describe the first case of PA following posterior lumbar fusion surgery performed while the patient was prone. In patients with a preexisting pituitary adenoma, thorough clinical and laboratory investigations should be conducted using an interdisciplinary approach before any planned surgery. In unknown cases of pituitary adenoma, PA should be kept in mind for the differential diagnosis in a case with headache, nausea, vomiting, ophthalmoplegia, visual loss, and electrolyte imbalance concurrent with an ongoing disease state.
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PMID:A case of pituitary apoplexy following posterior lumbar fusion surgery. 2625 84


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