نتایج جستجو برای: tumefactive lesion

تعداد نتایج: 96317  

2012
Frank J.P. Hoebers Bayardo Perez Ordonez Jon Irish Rand E. Simpson Eugene Yu Brian O'Sullivan

Tumefactive fibroinflammatory lesion (TFIL) is a rare benign tumor in the head and neck region. We present a case of a 40-year-old female with a benign but progressive lesion of the infratemporal fossa, which was diagnosed as TFIL. Patient responded briefly to a course of steroid treatment but eventually showed progression and was unresponsive to further steroids. She was then treated with exte...

Journal: :AJNR. American journal of neuroradiology 2014
S-S Lu S J Kim H S Kim C G Choi Y-M Lim E J Kim D Y Kim S H Cho

BACKGROUND AND PURPOSE It may be challenging to differentiate primary CNS lymphomas, especially primary CNS lymphomas with atypical MR features, from tumefactive demyelinating lesions by the use of conventional MR. This study aimed to investigate the usefulness of (1)H-MR spectroscopy for making this discrimination. MATERIALS AND METHODS Forty-four patients with primary CNS lymphomas and 21 w...

2015
Esteban E. Golombievski Matthew A. McCoyd John M. Lee Michael J. Schneck

We report a case of pathologically confirmed tumefactive multiple sclerosis (MS) followed shortly thereafter by the diagnosis of an oligoastrocytoma. The complexity of diagnosis and management of concomitant presence of tumefactive MS and glial cell tumors is discussed.

Journal: :International journal of radiology and diagnostic imaging 2023

Introduction: Ring-enhancing lesions is the most common abnormality faced in neuro-imaging. Imaging modalities commonly used to diagnose such are Computed Tomography (CT) and MRI. However, these considered challenging for radiologists. Diagnosing ring enhancing by conventional MRI challenging, especially when neoplastic, non-neoplastic infections be differentiated. Differentiation between tuber...

Journal: :Internal medicine 2013
Yasuko Ohe Takeshi Hayashi Kazuhiko Mishima Ryo Nishikawa Atsushi Sasaki Hiroshi Matsuda Akira Uchino Norio Tanahashi

A 72-year-old man was admitted with left homonymous hemianopsia and hemiparesis. Magnetic resonance imaging revealed a heterogeneously enhanced lesion in the right parietal lobe. A brain biopsy showed acute demyelination without malignancy, which led to a diagnosis of tumefactive multiple sclerosis (MS). The patient received corticosteroid therapy and experienced clinical and radiological impro...

Journal: :The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques 2009
V Scholten W M ten Hove E A Macdonald

which typically develops between the ages of 20 and 40 years1. Neurosarcoidosis occurs in only 5-15% of adults with sarcoidosis, and is seldom reported in children2-5. Of the cases described in the literature, children were found more likely to present with seizures, and less commonly space-occupying lesions6. The tumefactive brain lesions are difficult to distinguish from the tumefactive demye...

Journal: :Multiple sclerosis 2012
Christian L Seifert Christiane Wegner Till Sprenger Martin S Weber Wolfgang Brück Bernhard Hemmer Johann Sellner

We report a case of multiple sclerosis-associated fulminant tumefactive demyelinating lesion (TDL) with the special feature of delayed humoral immune response. Plasma exchange (PE) yielded significant benefit in two consecutive steroid-unresponsive relapses, while signs of an intrathecal B-cell response were only present 2 years later at the second relapse. Remission was achieved and sustained ...

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