Cases reported "Neuroblastoma"

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1/147. neuroblastoma metastatic to the liver in infants.

    Four infants are described who presented with rapid enlargement of the liver. This was found to be due to neuroblastoma which had metastasized to the liver; the condition was associated with high levels of urinary vanillylmandelic acid (VMA). In 3 infants the primary tumour was in the adrenal gland and in one it was not identified. One infant died after laparotomy and 2 infants survive disease free with normal VMA levels, one after adrenalectomy and hepatic irradiation and one after a short course of chemotherapy. The fourth patient responded initially to hepatic irradiation and chemotherapy, but relapsed 2 years later with recurrent disease; at the same time the VMA level which had been normal, again rose. The importance of screening for an abnormal VMA level in any infant with a rapidly enlarging liver in order to obtain an early diagnosis is stressed. Careful follow-up, with serial VMA estimations, is essential to detect recurrent disease. The prognosis for some infants with this distribution of neuroblastoma which has metastasized to the liver, but not to the bones or oribt, is good.
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2/147. Adrenal neuroblastoma in an adult with tumor thrombus in the inferior vena cava.

    We describe the appearance of an adrenal neuroblastoma associated with tumor thrombus occurring in an adult patient. The tumor measured 14 x 12 x 12 cm, showed heterogeneous signal intensity on both T1-weighted and T2-weighted images, and displayed peripheral nodular enhancement on early post-gadolinium images. Tumor thrombus was identified within the inferior vena cava, which extended into the right atrium.
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3/147. prenatal diagnosis of fetal adrenal masses: differentiation between hemorrhage and solid tumor by color Doppler sonography.

    We present four cases of fetal adrenal masses detected by routine prenatal ultrasound, of which three were adrenal hemorrhages and one was a fetal neuroblastoma. The differential diagnoses of fetal adrenal mass include adrenal hemorrhage, neuroblastoma, adrenal and cortical renal cysts, pulmonary sequestrations, duplication of the renoureteral system and beckwith-wiedemann syndrome. These can pose a diagnostic and therapeutic dilemma. A systematic comparison of the pre- and postnatal sonographic features including color Doppler imaging may help to differentiate adrenal hemorrhage from neuroblastoma prenatally.
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4/147. prenatal diagnosis of adrenal neuroblastoma by ultrasound: a report of two cases and review of the literature.

    prenatal diagnosis of neuroblastoma is a rare event. Two cases diagnosed at 32 and 34 weeks are reported together with a description of the various ultrasound appearances of this tumor. Both cases had a favorable outcome and surgery was necessary in only one case. The management options are discussed in the light of the current literature. The role of ultrasound in the detection and follow-up of this tumor in the third trimester of pregnancy is discussed.
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5/147. Congenital bilateral cystic neuroblastoma with liver metastases and massive intracystic haemorrhage.

    A case of bilateral cystic neuroblastoma with liver metastases in a newborn is reported. CT showed a 10 cm right suprarenal multicystic mass and numerous hepatic cystic masses with intracystic fluid-fluid levels. Multiple smaller cystic lesions were also present in the left adrenal gland. To our knowledge, the CT findings of neonatal bilateral cystic neuroblastoma with liver metastasis and massive acute intracystic haemorrhage has not been previously documented.
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6/147. Rapid reversal of dilated cardiomyopathy following removal of neuroblastoma.

    Reported is a child with dilated cardiomyopathy, in whom medical therapy resulted in a mild improvement of cardiac function. Metabolic studies suggested the presence of a catecholamine-secreting tumour; and an adrenal neuroblastoma was identified and surgically removed. Following surgery, there was progressive and complete normalization of cardiac function. Although very rare, neurogenic tumours may be involved in the development of a dilated cardiomyopathy in the infant and child.
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7/147. Metastatic neuroblastoma of the mandible mimicking osteogenic sarcoma radiologically. Case report.

    This paper presents a case of a neuroblastoma of the adrenal gland metastasizing to the mandible of a 21-month-old infant, which presented radiographically as the so-called 'sun-ray' appearance, characteristic of osteogenic sarcoma.
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8/147. jaw and pulpal metastasis of an adrenal neuroblastoma.

    Hematogenous spread of malignant tumors to the dental pulp is very rare. A case of adrenal neuroblastoma in a 71/2-year-old boy which metastasized to the mandible and dental pulp is described. Tumor cells were found within the pulpal blood vessels of a deciduous molar tooth.
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keywords = adrenal
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9/147. Scrotal hematoma, anemia, and jaundice as manifestations of adrenal neuroblastoma in a newborn.

    Clinically, a neuroblastoma presents mostly as an abdominal mass. Within the tumor, bleeding can be present, sometimes extending in to its surroundings. This case report describes a neuroblastoma, presenting as scrotal hematoma in a newborn boy, which initially raised the suspicion of a torsion testis. In this patient, the bleeding descended through the subcutaneous and muscular tissue into the scrotum. In addition, anemia and jaundice were marked features. This clinical manifestation of a neuroblastoma has not been reported previously. ultrasonography is advised as the first diagnostic step to exclude retroperitoneal origin of the bleeding. magnetic resonance imaging and meta-iodobenzyl guanidine scanning were helpful tools in the final diagnostic workup.
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ranking = 2
keywords = adrenal
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10/147. SiMa, a new neuroblastoma cell line combining poor prognostic cytogenetic markers with high adrenergic differentiation.

    We describe the establishment and characterization of a new neuroblastoma (Nb) cell line, SiMa, carrying the major recurrent chromosome changes associated with poor prognosis Nb, including amplification of N-MYC by formation of double minutes (dmin), der(1)t(1;17)(p35;q12) and der(22)t(17;22)(q22;p13), and loss of chromosome 11, documented at both initiation and late passage. In contrast to these cytogenetic stigmata of poor prognosis, analysis of catecholamine synthesis by high pressure liquid chromatography (HPLC) measurement revealed an advanced degree of adrenergic differentiation with high rates of 3,4-dihydroxyphenylalanine (DOPA), noradrenaline, homovanillic acid (HVA), and vanillylmandelic acid (VMA) production. Contrastingly advanced differentiation and poor prognostic genetic markers combine to render SiMa a unique instrument for investigating the pathology and therapy of Nb.
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