Typical histopathologic features of CAPNON

Slides:

Advertisements

Similar presentations

A 49-year-old man presenting with left abducens and right facial nerve palsies. A 49-year-old man presenting with left abducens and right facial nerve.

Advertisements

Axial T1-weighted image after contrast administration (A) and a FLAIR image (B) demonstrating a left parietal subcortical DVA with deep venous drainage.

Demonstration of the creation of a patient-specific brain mold for minimizing tissue distortion during fixation. Demonstration of the creation of a patient-specific.

Case 1. Case 1. Images in a 51-year-old man with a history of painful maxillary swelling caused by GCG.A, Contrast-enhanced axial CT image demonstrates.

Case 5 (type 3). Case 5 (type 3). A and B, Postmortem axial (A) and coronal (B) T2-weighted images show atrophied cerebellar cortices with dilation of.

KD in an 8-year-old girl. KD in an 8-year-old girl. Transverse CT image shows a lymph node (arrow) containing multiple necrotic foci in the peripheral.

A, CT scan showing disk herniation in the posterolateral part of the L4-L5 disk.B, Transforaminal periradicular infiltration at the L5–S1 level, demonstrating.

Right carotid angiogram (A) demonstrates a small carotid cave aneurysm in a patient who had an anterior communicating artery aneurysm previously treated.

A and B, Sagittal (A) and axial (B) fast spin-echo images of the cervical spine before treatment demonstrate diffuse increase in signal intensity (arrows)

Glomus jugulotympanicum in 45-year-old woman who presented with left-sided pulsatile tinnitus. Glomus jugulotympanicum in 45-year-old woman who presented.

Two patients with chordoma involving the sphenoid bone.

Patient 4. Patient 4. A 39-year-old woman had a solid nonfunctioning pituitary adenoma without cyst or hematoma. She had no past or present headache. A,

Histology samples stained with Masson trichrome.

Two coronal views of the same case, demonstrating the aggressive appearing imaging features of mastoid segment FNSs. The left coronal T1-weighted postcontrast-enhanced.

Line graph showing change in size over time relative to baseline CT

A, MIP of 3 mm thickness of the 1.5T scan.

Patient 3, a 72-year-old woman with histopathologically proved CAA and a large hyperacute right frontal intracerebral macrohemorrhage (thick arrows). Patient.

Transitional L5 vertebral body in a 52-year-old man.

The aortic arch branching pattern found in cattle has a single brachiocephalic trunk originating from the aortic arch and eventually splits into the bilateral.

Continued. Continued. E, Light microscopic image of the left hippocampus obtained by amygdalohippocampectomy reveals extensive neuronal loss and gliosis.

Comparison of conventional (A) and KRISP (B) FLAIR images (8142/135/1; TI = 2250) at the level of the pons. Comparison of conventional (A) and KRISP (B)

Normal schematic diagram of the aortic arch and the great vessels demonstrates the embryologic origins of the arch and its major branches. Normal schematic.

An 11-year-old girl with left-face sensitivity and left-temple pain.

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

Results of histopathologic examinationA, Chondroid metaplastic foci in the connective tissue surrounding the lesion (hematoxylin-eosin stain ×100).B, Lamellar.

A 13-year-old girl with fibrous dysplasia affecting the sphenoid bone.

Brain biopsies from different patients showing typical sarcoid granuloma (short arrows) with a Langerhans-type giant cell (long arrow) (H&E, original magnification.

Electron microscopic view shows one tumor cell with a round regular nucleus (N), peripherally clumped chromatin (short arrows), and surrounding small amount.

Histopathology of the dural mass

AP (A) and lateral (B) radiographs demonstrating a discontinuous segment of the catheter, with broken catheter ends in the subcutaneous tissue of the lower.

Pathology slide of the meningeal tissue from a left temporal craniotomy shows inflammatory cells with lymphoplasmacytic infiltration, foamy histiocytes,

Hematoxylin-eosin (A) and luxol fast blue (B) staining of the lesion seen in the cerebellum of case 2. Hematoxylin-eosin (A) and luxol fast blue (B) staining.

Calcification in aspergillosis.

SWI data in a patient with progressive MS exquisitely demonstrate the location of iron deposition in the deep gray matter. SWI data in a patient with progressive.

Histologic features of brain vessels in patient 7 with MNGIE

Photomicrograph of the tumor shows the chordoid meningioma with eosinophilic vacuolated tumor cells (large arrow) in a mucous-rich matrix (small arrow)

Benign peripheral nerve sheath tumor of the sciatic nerve shows the typical split fat sign (arrow) on coronal T1 (A), target sign (short arrow) on coronal.

A 41-year-old man and his son had positive genetic testing for LDS type 1 after he had intracranial hemorrhage as a complication of dissection and some.

Axial T2-weighted MR imaging at the level of the internal auditory canals, demonstrating a large, homogeneous mass filling the right internal auditory.

A 19-year-old woman with aneurysmal bone cyst.

Microscopic images.A, Proliferation of spindle cells oriented in intersecting fascicles or haphazardly distributed, accompanied by numerous plasma cells.

Coronal and axial sketches of the medulla, which correspond to the medullary regions seen on the T2-weighted axial images in Fig 1, demonstrate the anatomical.

Graph of neurologic scores (mean ± SD) for the moderate-severe VSPdelayed group, mild VSPdelayed group, and sham group. Graph of neurologic scores (mean.

Coronal T1-weighted contrast-enhanced MR image obtained in January of 1999 at the onset of right hearing impairment shows increased enhancement of the.

Histopathologic examination of a specimen obtained from left lentiform nucleus by stereotactic biopsy. Histopathologic examination of a specimen obtained.

Bone algorithm CT images from the same case, demonstrating focal enlargement of the right tympanic segment, in the axial (left) and coronal (right) planes.

Typical CT findings of neuraxis hemangioma (patient 2).

Two autopsy cases.A, Axial FLAIR (10,000/156/1) image obtained in a 63-year-old man shows grade 1 signal intensity abnormality in the anterior subependymal.

Images of a 52-year-old man who developed acute left hemiparesis, ataxia, and agitation (case 1). Images of a 52-year-old man who developed acute left.

A–C, An example of MR images and histopathologic features of carotid plaque with mixed components. A–C, An example of MR images and histopathologic features.

A 43-year-old male patient with headaches (case 33).

Scatter and box plot of midpoint measurement compared with age of subject. Scatter and box plot of midpoint measurement compared with age of subject. The.

Axial T2-weighted image (A) demonstrates focal cortical dysplasia (arrow) centered in the left anterior temporal lobe in a right-handed patient. Axial.

Axial T2-weighted MR image shows normal flow void in the right internal jugular vein (arrows), whereas flow-related enhancement can be seen in the left.

Photomicrographs show metastatic lymph nodes from poorly (A) and highly (B) differentiated squamous cell carcinomas.A, Poorly differentiated cancer cells.

Serial lateral radiographs of a 69-year-old patient from group 2, with severe low back pain following forward bending.A, Initial radiographs demonstrate.

Bar graph illustrating the rate of leak detection by CTM and MRM

Number of white streaks for the cobalt-containing alloy (upper, black lines) and titanium clips (lower, white lines) scanned in high mode (H) (open symbols,

Axial contrast-enhanced CT scan through the parotid tail demonstrates a dominant cyst (straight arrow). Axial contrast-enhanced CT scan through the parotid.

A 69-year-old man with small-cell carcinoma from the lung

Pseudoaneurysms demonstrated by femoral arteriography and sonography.

This nasal inflammatory myofibroblastic tumor is composed of a storiform array of plump spindle cells with a background of chronic inflammatory infiltrate.

Metastatic adenocarcinoma.

A, Recurrent neoplasm in patient 6.

An 11-year-old girl with positive genetic testing and other connective tissue manifestations demonstrates spine instability at both C1 and C2 (note atlantoaxial.

A–D, An example of MR images and histopathologic features of plaque mainly consisting of myxomatous tissue. A–D, An example of MR images and histopathologic.

Graph of the contrast ratio between scar and recurrent disk fragment as a function of time after injection of 0.1 mmol/kg ionic (M) and nonionic (O) contrast.

MRN appearance of a normal sciatic nerve.

Photomicrograph of the midbrain shows the white matter between the red nucleus and substantia nigra, where the nerve fibers (arrow) extend in the obliquely.

Photomicrograph of lobulation of the cyst wall with piling up of the squamous epithelium (asterisk), characteristic of a proliferating trichilemmal cyst.

Presentation transcript:

Typical histopathologic features of CAPNON Typical histopathologic features of CAPNON. A, The typical chondromyxoid matrix of CAPNON (H&E, original magnification ×100). Typical histopathologic features of CAPNON. A, The typical chondromyxoid matrix of CAPNON (H&E, original magnification ×100). B, Focal osseous metaplasia is seen in all 4 cases (H&E, original magnification ×100). C, Medium-power magnification of the chondromyxoid matrix and the peripheral spindle cells (H&E, original magnification ×200). D, Immunohistochemical analysis for EMA demonstrating positive staining in the spindle cells surrounding the matrix (EMA immunohistochemistry, original magnification ×200). A.H. Aiken et al. AJNR Am J Neuroradiol 2009;30:1256-1260 ©2009 by American Society of Neuroradiology