Cases reported "Dilatation, Pathologic"

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1/168. Upper urinary tract obstruction: pressure/flow studies in children.

    34 upper urinary tract pressure/flow studies were carried out in 24 children. Obstruction was reliably diagnosed in 8 studies, and excluded in 21. This technique may provide information of clinical value in the patient with upper urinary tract dilatation.
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ranking = 1
keywords = upper
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2/168. Complex right hemisphere developmental venous anomaly associated with multiple facial hemangiomas. Case report.

    Complex developmental venous anomalies (DVAs) represent variations of normal cerebral venous drainage and consist of dilation of the superficial and/or deep venous system. These rare anomalies can occur unilaterally or bilaterally, supratentorially or infratentorially, focally or they can affect the entire hemisphere. Some DVAs are associated with cervicofacial venous malformations or facial lymphatic malformations. Anomalies of this type are generally clinically silent, and cerebral dysfunction is usually absent. Symptoms, when they occur, are most commonly headache or mild seizure disorders. The angiographic findings are striking, with well-formed but enlarged transcerebral medullary and deep and/or superficial cortical veins. Opacification of these venous structures occurs within the same time frame as a normal angiographic venous phase. The authors report the case of a 33-year-old man in whom a large inoperable arteriovenous malformation had been previously diagnosed and who presented with seizures. Repeated magnetic resonance imaging and angiography demonstrated abnormally dilated transcerebral, superficial, and deep venous structures involving the entire right hemisphere with no identifiable nidus. Additionally, multiple bilateral benign facial hemangiomas were present in this patient. It is important to recognize this rare venous appearance as a developmental variant and not mistake it for an arteriovenous malformation or a partially thrombosed vein of Galen malformation. Because these venous anomalies are extreme variants of the normal venous system, hemorrhage rarely, if ever, occurs and the patient can be reassured that no interventional or surgical therapy is necessary or warranted.
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ranking = 0.77646440635703
keywords = headache
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3/168. Successful treatment of tracheomalacia associated with esophageal atresia without a tracheoesophageal fistula by aortopexy: report of a case.

    tracheomalacia (TM) is well known as a complication associated with esophageal atresia (EA) and tracheoesophageal fistula (TEF); however, the occurrence of TM requiring surgical treatment in a patient having EA without a tracheoesophageal fistula has never been reported. We describe herein a rare case of TM associated with EA without TEF. Respiratory distress was caused by compression of the trachea by a severely dilated upper esophageal pouch with weakness of the tracheal wall. Aortopexy was performed, and an excellent postoperative result was achieved.
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ranking = 0.5
keywords = upper
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4/168. Bochdalek diaphragmatic hernia presenting with acute gastric dilatation.

    Congenital diaphragmatic hernia through the foramen of Bochdalek may present after infancy. A 21/2-year-old Malay girl presented with acute respiratory distress. Chest examination showed reduced chest expansion and decreased breath sounds on the left side. Chest radiograph showed a large "cyst" in the left chest, which was thought to be a lung cyst under tension. Tube thoracostomy resulted in clinical improvement. Results of a barium study showed that the cyst perforated by the thoracostomy tube was the stomach, which had herniated through a Bochdalek diaphragmatic defect. Surgical repair of the diaphragmatic defect and closure of the perforated stomach was performed successfully. Congenital diaphragmatic hernia should be included in the differential diagnosis of respiratory distress in young children. Nasogastric tube placement must be considered as an early diagnostic or therapeutic intervention when the diagnosis is suspected.
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ranking = 1.0107650127969
keywords = chest
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5/168. Distensible venous malformations of the orbit: clinical and hemodynamic features and a new technique of management.

    OBJECTIVE: To investigate distensible venous malformations of the orbit (DVMO) as part of a spectrum of orbital vascular malformations, including some that involved periorbital skin, extraorbital sites (central nervous system or nasal sinuses), or combinations of these. The authors also investigated the effectiveness of a new technique of management for selected cases. DESIGN: Retrospective noncomparative case series. PARTICIPANTS: Thirty patients had distensible venous anomalies, of which four were combined distensible venous-lymphatic vascular malformations. Distensible lesions were defined as those showing clinical or radiographic expansion with valsalva maneuver or when the head was placed in a dependent position. These lesions were then classified as superficial (anterior to the equator of the globe), deep (posterior to the globe's equator), combined (deep and superficial), or complex (with intracranial or major extraorbital involvement). INTERVENTION: Surgery was performed on 15 patients (50%), mainly for pain or for cosmetic indications. Six patients underwent this new technique, which involved intraoperative direct venography with control of outflow via pressure at the superior or inferior orbital fissure. The venous malformation was then embolized (by use of cyanoacrylate glue) and excised. RESULTS: The mean age at presentation was 28.2 years (range, 8 months to 75 years). Sixty-six percent of cases involved the left orbit. Superior and medial orbital involvement was most common. Three cases (10%) were classified as superficial, and 13 (43%) as deep. Six patients (20%) had combined superficial and deep components. Eight (27%) had major extraorbital involvement (4 intracranial, 2 facial, and 2 paranasal sinus). Direct venography demonstrated complex multichannel anomalies draining to various sites, including the face and pterygopalatine fossa, without necessarily having a direct connection to the major orbital venous circulation. CONCLUSIONS: Distensible venous malformations of the orbit are part of a spectrum of developmental venous malformations that may be localized to the orbit or involve it as part of a more extensive lesion. The authors describe their clinical and radiologic features and report a new technique of management for selected cases. This method of vascular isolation and embolization of lesions may greatly facilitate excision.
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ranking = 0.9841915889994
keywords = pain
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6/168. Idiopathic dilatation of the pulmonary artery: report of four cases.

    Idiopathic dilatation of the pulmonary artery (IDPA) is a rare congenital disease which is usually detected fortuitously on chest x-ray, thus radiologists must be aware of this clinical entity. This report describes four cases to which magnetic resonance imaging (MRI) played a major role in diagnosing IDPA and in detecting the concomitant findings observed in this disease. MRI is a non-invasive procedure with many advantages for the accurate and reproducible measurement of artery structures, which makes it the preferred option for combined use with echocardiography in the diagnosis and follow-up of patients with IDPA.
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ranking = 0.50538250639843
keywords = chest
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7/168. A single-stage operation for bicuspid aortic valve, annulo-aortic ectasia, hypoplastic aortic arch, and coarctation of the aorta: A case report.

    The patient was an 18-year-old man who had been diagnosed as having a bicuspid aortic valve and dilatation of the ascending aorta six years previously. As he grew up, aneurysmal change of the ascending aorta and hypertension in the upper body gradually progressed. Preoperative evaluation showed annulo-aortic ectasia and the following congenital abnormalities: bicuspid aortic valve, hypoplastic aortic arch, and coarctation of the aorta. Composite graft replacement and extended total aortic arch replacement were carried out.
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ranking = 0.5
keywords = upper
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8/168. Ureterocystoplasty in a patient with a single kidney.

    Ureterocystoplasty (UCP) has now been widely used for bladder augmentation, with and without unilateral nephrectomy. Many techniques have been described to incorporate portions of the upper renal tract, but none have yet described UCP in a child with unilateral renal agenesis.
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ranking = 0.5
keywords = upper
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9/168. New-onset headache in an adolescent with MASS syndrome.

    A 15-year-old girl with the "MASS" phenotype (meeting several of the minor criteria for marfan syndrome) presents with a new onset low-pressure postural headache. Clinical features and magnetic resonance imaging suggested intracranial hypotension, which was confirmed with lumbar puncture. The pathophysiology and treatment of spontaneous intracranial hypotension are discussed.
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ranking = 3.8823220317852
keywords = headache
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10/168. Respiratory distress due to tracheal compression by the dilated innominate artery.

    The case reported is of an 88 yr old female with hypertension and respiratory distress. A chest radiograph revealed a widening of the upper mediastinum. Computed tomographic scanning revealed tracheal compression by the innominate artery, which was elongated and curved. After intubation, she was treated with antihypertensive drugs. This resulted in the remarkable recovery of the patient from respiratory distress. To the authors' knowledge, this is the first reported case of respiratory distress owing to tracheal compression by elongation and curvature of the innominate artery.
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ranking = 1.0053825063984
keywords = chest, upper
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