Neuroradiology board review. This lecture is geared towards the ABR core exam for residents, but it would be useful for review for the ABR certifying exam or certificate of added qualification (CAQ) exam for neuroradiology.
More description and the answer (spoiler!) are seen below the video.
This case shows a patient with a coagulation disorder and new neurologic symptoms. FLAIR images show hyperintensity in the right transverse and sigmoid sinus. The abnormality is confirmed on magnetic resonance venogram, which shows absence of flow in that region. There is a filling defect on postcontrast imaging.
Neuroradiology board review. This lecture is geared towards the ABR core exam for residents, but it would be useful for review for the ABR certifying exam or certificate of added qualification (CAQ) exam for neuroradiology.
More description and the answer (spoiler!) are seen below the video.
This case shows a patient with hearing loss some thickening of the bone in the external auditory canals. It is bilaterally symmetric and causes severe EAC narrowing.
The diagnosis is: surfer’s ear, or exostosis of the external auditory canal.
Neuroradiology board review. This lecture is geared towards the ABR core exam for residents, but it would be useful for review for the ABR certifying exam or certificate of added qualification (CAQ) exam for neuroradiology.
More description and the answer (spoiler!) are seen below the video.
This case is a mass in the right cerebellopontine angle and internal auditory canal. The differential for these masses includes schwannoma, meningioma, arachnoid cyst, and epidermoid. The key to differentiating this mass from others are that it is solid, centered in the internal auditory canal, and has a few areas of cystic degeneration or necrosis.
Neuroradiology board review. This lecture is geared towards the ABR core exam for residents, but it would be useful for review for the ABR certifying exam or certificate of added qualification (CAQ) exam for neuroradiology.
This video is a brief introduction before beginning the case style review.
Introduction to Neuroradiology Board Review: Part 2
Imaging brain tumors – 6 – Common imaging scenarios
Brain tumors are one of the most common diagnoses addressed in neuroradiology. This covers a wide spectrum of disease, from primary brain tumors like gliomas and glioblastomas to secondary disease like metastases. This lecture covers the spectrum of the most common brain tumors, with an emphasis on primary brain tumors.
This video discusses different scenarios you may encounter when imaging, such as a solitary enhancing lesion, multiple enhancing lesions, and non-enhancing peripheral lesions. Each of these has a differential diagnosis, and choosing appropriately can help guide therapy.
The level of this lecture is appropriate for radiology residents, radiology fellows, and trainees in other specialties who have an interest in neuroradiology or may see patients with brain tumors.
Brain tumors are one of the most common diagnoses addressed in neuroradiology. This covers a wide spectrum of disease, from primary brain tumors like gliomas and glioblastomas to secondary disease like metastases. This lecture covers the spectrum of the most common brain tumors, with an emphasis on primary brain tumors.
This video gives some additional cases in which you can apply the principles learned in the other videos to form a differential. These are challenging cases, and your top differential will not always be correct, but it is more about going through the thought process.
The level of this lecture is appropriate for radiology residents, radiology fellows, and trainees in other specialties who have an interest in neuroradiology or may see patients with brain tumors.
Brain tumors are one of the most common diagnoses addressed in neuroradiology. This covers a wide spectrum of disease, from primary brain tumors like gliomas and glioblastomas to secondary disease like metastases. This lecture covers the spectrum of the most common brain tumors, with an emphasis on primary brain tumors.
This video discusses imaging of common non-glial brain tumors, such as lymphoma, metastasis, and meningioma. Lymphoma is a common brain tumor which can be either associated with systemic lymphoma or more commonly confined to the brain (primary central nervous system, CNS, lymphoma). It is associated with immunosuppression and HIV. Metastatic disease is also common, and it’s important to remember that up to 50% of intracranial metastases are solitary. Meningiomas are the most common brain tumors overall and are extra-axial lesions. They come in 3 grades, and grade 2 and 3 are often irradiated after resection.
The level of this lecture is appropriate for radiology residents, radiology fellows, and trainees in other specialties who have an interest in neuroradiology or may see patients with brain tumors.
Imaging brain tumors – 4 – Other low grade gliomas
Brain tumors are one of the most common diagnoses addressed in neuroradiology. This covers a wide spectrum of disease, from primary brain tumors like gliomas and glioblastomas to secondary disease like metastases. This lecture covers the spectrum of the most common brain tumors, with an emphasis on primary brain tumors.
This video discusses imaging and genetic features of some less common low grade tumors like pilocytic astrocytoma, dysembryoplastic neuroepithelial tumor (DNET), ganglioglioma, and pleomorphic xanthoastrocytoma (PXA). These tumors are often seen in younger patients, many of whom will present with seizures. Surgery is often curative. There is a lot of imaging overlap for these tumors, especially DNET and ganglioglioma, which can appear very similar. However, the specific diagnosis is less important than knowing that a lesion may be a low grade glioma.
The level of this lecture is appropriate for radiology residents, radiology fellows, and trainees in other specialties who have an interest in neuroradiology or may see patients with brain tumors.
Brain tumors are one of the most common diagnoses addressed in neuroradiology. This covers a wide spectrum of disease, from primary brain tumors like gliomas and glioblastomas to secondary disease like metastases. This lecture covers the spectrum of the most common brain tumors, with an emphasis on primary brain tumors.
This video discusses imaging and genetic features of oligodendrogliomas, including low grade oligodendrogliomas (WHO grade 2) and anaplastic oligodendroglioma (grade 3). By definition, these tumors have 1p19q codeletion and IDH mutation. Oligodendrogliomas have better survival than astrocytomas. Higher grade tumors are more likely to have more mass effect, more enhancement, and less well-defined margins. However, oligodendrogliomas typically do not degenerate into glioblastomas.
The level of this lecture is appropriate for radiology residents, radiology fellows, and trainees in other specialties who have an interest in neuroradiology or may see patients with brain tumors.
Brain tumors are one of the most common diagnoses addressed in neuroradiology. This covers a wide spectrum of disease, from primary brain tumors like gliomas and glioblastomas to secondary disease like metastases. This lecture covers the spectrum of the most common brain tumors, with an emphasis on primary brain tumors.
This video discusses imaging and genetic features of astrocytomas, including low grade astrocytomas (WHO grade 2), anaplastic astrocytoma (grade 3), and glioblastoma (grade 4). By definition, these tumors have intact 1p19q. They can have either IDH mutation or IDH wild type, and IDH mutation is associated with increased survival. Higher grade tumors are more likely to have more mass effect, more enhancement, and less well-defined margins.
The level of this lecture is appropriate for radiology residents, radiology fellows, and trainees in other specialties who have an interest in neuroradiology or may see patients with brain tumors.
