CORRELATION BETWEEN IMAGISTIC AND PATHOLOGIC FINDNGS IN CEREBRAL MENINGIOMA First author: Laura...
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Transcript of CORRELATION BETWEEN IMAGISTIC AND PATHOLOGIC FINDNGS IN CEREBRAL MENINGIOMA First author: Laura...
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CORRELATION BETWEEN IMAGISTIC AND PATHOLOGIC FINDNGS IN CEREBRAL
MENINGIOMA
First author: Laura Maria Frîncu Coordinator: Prof. Dr. Mircea Buruian
Second author: Dr. Mihaela A. Dobra Adelina Mãcesanu
Marisiensis 2015
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meningioma
is a tumor that arises from the meninges
the most common intracranial primary neoplasm in adults (13-25%)
higher incidence among women as compared to men (2:1)
symptomatic/asymptomatic mean age ranges
between 56-65 years old
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Michelle Stafford Actress on the soap opera “ The young and the restless”
Elizabeth Taylor Academy– award winning actor, star of numerous movies
Sheryl Crow Singer, diagnosed with meningioma in 2012
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Felix Plater
1614
Harvey Cushing 1922
Nowadays
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correlations between specific preoperative
IMAGING FEATURES and the
PATHOLOGICAL GRADE in patients with meningiomas
Aim:
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MATERIAL AND METHODS
retrospective study
289 patients
2009-2013
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histopathological examination
WHO classification
surgical treatment
CT and MRI
scans
All data were analyzed with Microsoft Excel, SPSS, GraphPad- Chi-squared test
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SPSS
EXCEL
%
women
men
transitional
edema
transitional
11.4%
80.9%
atypical
7.6%
24-83
ANALASTIC
82%
15,3
2%
meningioma
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59%41%
womenmen
Gender distribution
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Age distribution
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WHO Grade I — Benign
WHO Grade II — Atypical
WHO Grade III — Malignant
Meningothelial Chordoid Papillary
Fibrous ( fibroblastic) Clear cell Rhabdoid
Transitional (mixed) Atypical Anaplastic
Psammomatous
Angiomatous
Microcystic
Secretory
Lymphoplasmacyte
Metaplastic
World Health Organization (WHO) Meningioma Classifications
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81%
8% 11%
WHO Grade I WHO Grade II WHO Grade III
Distribution by histopathological grade
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18%
16%
59%
7%
Column1
Meningothelial
Fibrous
Transitional
Other
Distribution by histopathological type in benign tumors
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32%
19%9%
32%8%
Column1
AtypicalPapillaryRhabdoidAnaplasticOther
Distribution by histopathological type in atypical and malignant tumors
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Imaging findings observed
INDISTINCT TUMOR BORDERS
HYPEROSTOSIS
EXTRACRANIAL TUMOR EXTENSION
HETEROGENEOUS TUMOR ENHANCEMENT
EDEMA
CAPSULAR ENHACEMENT
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Benign Malignant0.00%
10.00%
20.00%
30.00%
40.00%
50.00%
60.00%
70.00%
80.00%
90.00%
100.00%
Edema (p= 0,516)
Capsular enhancement (p=0,11)
Extracranial tumor extension (p=0,384)
Hyperostosis (p< 0.01)
Heterogeneous tumor enhancement( p<0,01)
Indinstinct tumor borders (p< 0,01)
Imaging findings in benign and malignant meningiomas
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Axial T2WI MR shows: mass attached by a broad base to the falx (white arrow), with associated perifocal edema (white opened arrow
Axial T1WI MR with contrast shows heterogeneous enhancement, with small areas of hyposignal included in the lesion
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Coronal T1WI +C MR shows a mass localized on the bases of the anterior fossa, which presents:
- capsular enhancement- heterogeneous signal, with areas of -hyposignal included characteristic for calcification- Hyperostosis of the sphenoidal bone
Axial NECT with bone window shows a heterogeneous mass adjacent to the left inner parietal table of the skull, with extended calcifications included (white arrow), and associated marked hyperostosis of the skull (open arrow)
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Conclusions
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Indistinct borders , heterogeneous tumor enhancement and hyperostosis – significantly associated with advanced histopathological grade
Imaging features may lead to noninvasive differentiation between benign and atypical or malignant tumors
Imaging evaluation can provide useful information in preoperative diagnosis and therapeutic strategy
1
2
3
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Limitations
Directions
for future research&
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•Dust•Dark
Retrospective Prospective
•Improved follow up•Better use of time•Objective
•Mold•TIME•Subjective
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1. Abbott K.H., Courville C.B. – Historical notes of the meningiomas, I.A. study of hyperostosis in prehistoric skulls, Bull Los Angeles Neurol Soc., 1939, I4:101-1132.Cushing H., Eisenhardt L.- Meningiomas: Their Classification, Regional Behaviour, Life 2. History ansd Surgical End Results, Springfield, IL: Charles C Thomas, 1938Moodie R.L- Tumors of the head among pre-Columbian Peruvians, Ann Med Hist, 1926, 8:394-4123. Wang H., Lanzino G., Laws E.R.J.- Meningioma: the soul of neurosurgery:historical review, Sem Neurosurg, 2003, 14:163-1684. Netsky M.G.- The first account of a meningioma, Bull Hist Med, 196, 30: 465-468Al- Rodhan N.R., Laws E.R.J.- Meningioma: a historical study of the tumor and its surgical management, 1990, 26:832-8465. Al- Rodhan N.R., Laws E.R.J.- Meningioma: a historical study of the tumor and its surgical management. In: Al-Meftey O., Raven press, New York, 1991:1-8Louis A.- Mémoire sur les Tumeures Fongueuses de la dure-mère, Mem Acad R Chir, Paris, 1774, 5:1-596. Cushing H.- The meningiomas( dural endothelomas): their source, and favored seats of origin, Brain, 1922, 45: 282-3167. Bondy M., Ligon BL.- Epidemiology and etiology of intracranial meningiomas: A review, J neurooncol, 1996, 29: 197-205
Bibliography
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Thank you for your attention!