منابع مشابه
Atypical Growth Pattern of an Intraparenchymal Meningioma
Meningiomas are the most common primary nonneuroglial extra-axial neoplasms, which commonly present as spherical or oval masses with a dural attachment. Meningiomas without dural attachment are rare and, according to their locations, are classified into 5 varieties, including intraventricular, deep Sylvain fissure, pineal region, intraparenchymal, or subcortical meningiomas. To the best of our ...
متن کاملMicrocystic Meningioma - Unusual Variant of Meningiomas
Meningiomas are common benign tumors accounting for 13% to 18% of intracranial neoplasms. They are generally known to be solid tumors and their classical appearance on the computed tomography(CT) scan and magnetic resonance(MR) image usually lead to a correct diagnosis. Meningiomas have been subdivided into a variety of types, including meningotheliomatous, fibrous, transitional, psammomatous, ...
متن کاملCystic meningioma: unusual imaging appearance of a common intracranial tumor.
Meningiomas are common tumors of the central nervous system that account for approximately 15% of all intracranial tumors and are the most common extra-axial neoplasm. Most meningiomas are benign, although atypical and malignant meningiomas also exist. Typical imaging characteristics include a well-circumscribed, homogeneously enhancing, extra-axial mass on both computed tomography and magnetic...
متن کاملTentorium schwannoma mimicking meningioma: an unusual location.
A 60-year-old female was admitted to our clinic complaining of a long-lasting headache. Cranial magnetic resonance imagining examination of the patient revealed a 22x24 mm extra-axial, well-demarcated, mass lesion based on the left tentorium. The patient underwent a craniotomy and the tumor was totally excised with the adjacent tentorium. The histopathological examination of the tumor complied ...
متن کاملFollicular thyroid carcinoma with an unusual glomeruloid pattern of growth.
We describe an uncommon thyroid tumor in a 56-year-old woman. The widely infiltrating, angioinvasive neoplasm, 5 cm in diameter, exhibited a peculiar architectural growth pattern characterized by follicles with round to oval epithelial tufts growing within, often supported by a fibrovascular core mimicking the renal glomerulus. Colloid-empty follicles, tubular or elongated, were lined by pseudo...
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ژورنال
عنوان ژورنال: Surgical Neurology International
سال: 2012
ISSN: 2152-7806
DOI: 10.4103/2152-7806.97007