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Histopathology of the dural mass

Published byΝαζωραῖος Βλαβιανός Modified over 5 years ago

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Presentation on theme: "Histopathology of the dural mass"— Presentation transcript:

1 Histopathology of the dural mass
Histopathology of the dural mass.A, Lesion is composed of attenuated infiltrate of lymphoplasmacytic cells and histiocytic cells with pale granular cytoplasms (arrows).B, Histiocytic cells occasionally show emperipolesis (lymphocytophagocytosis) (arrows).C,... Histopathology of the dural mass.A, Lesion is composed of attenuated infiltrate of lymphoplasmacytic cells and histiocytic cells with pale granular cytoplasms (arrows).B, Histiocytic cells occasionally show emperipolesis (lymphocytophagocytosis) (arrows).C, Histiocytic cell with emperipolesis (arrows) is immunopositive for S-100 protein. Eiichi Konishi et al. AJNR Am J Neuroradiol 2003;24: ©2003 by American Society of Neuroradiology

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Lateral skull radiograph performed in our patient at age 4 years shows cystoperitoneal shunt connected to a VP shunt via a Y connector (dashed arrow, reservoir.

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Low SI on axial T2-weighted images as a sign of malignancy.

Low SI on axial T2-weighted images as a sign of malignancy.
Precontrast coronal T1-weighted view shows metastatic nodules (long arrows) from breast cancer in the vicinity of the left BPL and another metastatic mass.

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123I/Tc-99m sestamibi subtraction scan (top left); neck sonogram in region of cystic mass (top right); axial arterial phase CT scan (bottom left); and.

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A, Left common carotid angiography (lateral view).
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Patient with cholesteatoma on the right and chronic otitis media without cholesteatoma on the left. Patient with cholesteatoma on the right and chronic.
Plexiform neurofibroma in neurofibromatosis type-1 (NF-1).

Plexiform neurofibroma in neurofibromatosis type-1 (NF-1).
Histology samples stained with Masson trichrome.

Histology samples stained with Masson trichrome.
Image shows appearance of septum within dural sinus in a 68-year-old woman with normal results of an MR imaging examination. Image shows appearance of.

Image shows appearance of septum within dural sinus in a 68-year-old woman with normal results of an MR imaging examination. Image shows appearance of.
Two coronal views of the same case, demonstrating the aggressive appearing imaging features of mastoid segment FNSs. The left coronal T1-weighted postcontrast-enhanced.

Two coronal views of the same case, demonstrating the aggressive appearing imaging features of mastoid segment FNSs. The left coronal T1-weighted postcontrast-enhanced.
A, Measurement of the angle between the TS-OP line and the hard palate in the lateral scout view of the brain CT (black arrow). A, Measurement of the angle.

A, Measurement of the angle between the TS-OP line and the hard palate in the lateral scout view of the brain CT (black arrow). A, Measurement of the angle.
A, MIP of 3 mm thickness of the 1.5T scan.

A, MIP of 3 mm thickness of the 1.5T scan.
Patient 5. Patient 5. A, Initial sagittal T1-weighted image (483/15/23), obtained 14 hours after the ictus, reveals a short-segment EDH that is isointense.

Patient 5. Patient 5. A, Initial sagittal T1-weighted image (483/15/23), obtained 14 hours after the ictus, reveals a short-segment EDH that is isointense.
Patient 3, a 72-year-old woman with histopathologically proved CAA and a large hyperacute right frontal intracerebral macrohemorrhage (thick arrows). Patient.

Patient 3, a 72-year-old woman with histopathologically proved CAA and a large hyperacute right frontal intracerebral macrohemorrhage (thick arrows). Patient.
Continued. Continued. E, Light microscopic image of the left hippocampus obtained by amygdalohippocampectomy reveals extensive neuronal loss and gliosis.

Continued. Continued. E, Light microscopic image of the left hippocampus obtained by amygdalohippocampectomy reveals extensive neuronal loss and gliosis.
Axial view MR images of the head, obtained at the time of second presentation.A, T1-weighted MR image (400/15) shows thickening of the dura overlying the.

Axial view MR images of the head, obtained at the time of second presentation.A, T1-weighted MR image (400/15) shows thickening of the dura overlying the.
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A 53-year-old male patient with temporal lobe epilepsy (case 31).

A 53-year-old male patient with temporal lobe epilepsy (case 31).

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