neurofibroma/bjúgur

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Hyaluronan in intra-operative edema of NF1-associated neurofibromas.

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The tumor suppressor disorder neurofibromatosis type 1 (NF1) is associated with development of multiple neurofibromas which may grow intraneurally as plexiform neurofibromas (PNF) or intracutaneously (CNF). Upon surgery neurofibromas may show prominent swelling hindering skin-edge approximation. To

Spinal neurilemmomas and neurofibromas: central dot sign in postgadolinium MRI.

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The MR studies of three histologically proven spinal neurilemmomas and neurofibromas were reviewed retrospectively. There were two benign neurilemmomas (schwannomas) and one neurofibroma. The common characteristic of these cases was a central low intensity focus ("dot") seen on postcontrast

Vacuum-assisted closure treatment of leg skin necrosis after angiographic embolization of a giant plexiform neurofibroma.

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Type 1 neurofibromatosis is a relatively common inherited disease of the nervous system, with a frequency of almost 1 in 3000. It is associated with neurofibromas of various sites. Our case report is about the surgical management of a giant neurofibroma of the right gluteal fold in a 46-year-old

Surgical management of a giant plexiform neurofibroma of the lower extremity.

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The authors review their experience with the management of a giant 49-kg (108 lb) neurofibroma of the lower extremity in a 37-year-old male with NF1. The patient presented with right thigh pain, paresthesias, increasing edema, and accelerated growth of the mass. The patient was taken to the

Fluorine-18-2-fluoro-2-deoxy-D-glucose Positron Emission Tomography/Computed Tomography Masquerading as a Case of Sporadic Malignant Peripheral Nerve Sheath Tumor of Lower Extremity Presenting as Massive Lower Limb Edema.

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Malignant peripheral nerve sheath tumors (MPNSTs) are rare neuroectodermal tumors resulting from the malignant transformation of benign plexiform neurofibromas. The sporadic form of these tumors is rare than familial variants (seen in neurofibromatosis Type 1) and making the diagnosis difficult. We

Atypical hematologic and renal manifestations in neurofibromatosis type I: coincidence or pathophysiological link?

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Neurofibromatosis type 1 (NF1) is an autosomal dominant, multi-system, neurocutaneous disorder that predisposes to the development of benign and malignant tumors with a birth incidence rate of 1 in 2500-3000. 50% of cases are sporadic. The diagnosis is exclusively based on clinical assessment with

[Histopathology and ultrastructure changes of retina in rats exposed to n-hexane].

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OBJECTIVE To investigate the injury in the retina of rats exposed to n-hexane. METHODS Thirty-two SD male rats were randomly divided into control group and four n-hexane groups. The rats in the four n-hexane groups inhaled 35.2 g/m3 n-hexane statically for 1, 3, 7 and 14 days respectively (6 rats in

[A case of meningioangiomatosis in an infant].

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We report here a rare case of meningioangiomatosis in an infant, not associated with von Recklinghausen's disease. A 14-month-old female was admitted because of seizures. Neurological findings on admission were normal. Computed tomography showed a slightly high density mass with marked contrast

Perinatal neurofibromatosis: two case reports and review of the literature.

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Neurofibromatosis-1 (NF-1) is an autosomal-dominant genetic disorder with many different manifestations. Some may have evidence of the disease at birth. A 66-year (1942 to 2008) retrospective review of 36 patients including 7 fetuses and 29 neonates with NF-1 was performed. Only patients with NF-1

Foramen magnum tumors: a series of 30 cases.

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OBJECTIVE Foramen magnum tumors, especially those located ventrally, are surgically challenging. We studied clinical and surgical details of extramedullary tumors located in the region of the foramen magnum. METHODS A series of 30 cases of extramedullary tumors at the foramen magnum, operated over a

A polypous carbuncle.

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A carbuncle usually presents as a deep-seated mass of fistulous tracts between infected hair follicles. We present a case in which what appeared to be an inflamed, benign neoplasm turned out to be a very unusual presentation for this condition, the first we could find in the literature. A

[Neurilemmoma (schwannoma) of the oral cavity. A report of 2 clinical cases].

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Neurilemmoma (schwannoma) is a benign, encapsulated perineural tumor of neuroectodermal derivation that originates from the Schwann cells of the neural sheath of motor and sensitive peripheral nerves; the etiology is still unknown. The tumor is normally solitary, smooth-surfaced, slow growing and

Soft-tissue myxomatous lesions: review of salient imaging features with pathologic comparison.

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Myxoid soft-tissue lesions are a heterogeneous group of benign and malignant mesenchymal tumors with an abundance of extracellular mucoid material. These lesions may mimic cysts on radiologic evaluation because of the high water content, and histopathologic features also overlap. Benign myxoid

CO2 laser excision of pediatric airway lesions.

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Treatment of life-threatening pediatric airway lesions has been greatly enhanced by development of the CO2 laser. Using this modality, endoscopic access and precise tissue destruction are possible with minimal local inflammation and subsequent edema of the narrow airway. From October 1986 through

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