Neuroradiology Cases
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- Melanoma with retinal detachment and subretinal bleed. T1 hyperintensity of the lesion with intense enhancement is characteristic. What are other T1 hyperintense structures? Click here for the answer.
- Asterion defect in Neurofibromatosis 1 – Cranial defect at the level of the lambdoid suture.
- Harlequin eye deformity: Elevation of the superolateral corner of the orbit. It may be seen in unilateral (plagiocephaly) or bilateral (brachycephaly) coronal suture synostosis.
- Giant tuberculoma – T2 hypointensity is characteristic.
- Incisive canal cysts, also known as nasopalatine duct cysts (NPDC), are developmental, non-neoplastic cysts arising from the degeneration of nasopalatine ducts. These ducts usually regress in fetal life. The persistence of ductal epithelium leads to the formation of a cyst. It is considered the most common non-odontogenic cyst and develops only in the midline anterior maxilla.
- Nasal encephaloceles – A form of neural tube defect that causes herniation of cranial content through a bony defect in the anterior skull base into the nasal area.
- Meningioma – Homogenously enhancing intradural extramedullary lesion. Click here for a list of differentials for spinal masses.
- Cortical venous thrombosis with hemorrhage. Check flow void in the T1 image and hemorrhage on SWI images.
- Chiari 2 malformation – fenestration of the falx with interdigitated gyri. There may be absent falx/ heart shape incisura, a small posterior fossa with a low attachment of the tentorium, and a low torcula.
- Dyke-Davidoff-Masson syndrome (DDMS) is a condition characterized by hemicerebral atrophy/hypoplasia secondary to brain insult usually in the fetal or early childhood period and is accompanied by ipsilateral compensatory osseous hypertrophy and contralateral hemiparesis.
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These interesting radiology cases have been contributed by Dr. Sharath Kumar G G.
Dr. Kumar is a consultant Intervention Neuro-Radiologist and Head Department of Neuro-Radiology and Intervention -Apollo Hospital. You can check out the previous cases uploaded by him (and other authors) on our contributing authors’ page.
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- Spotters Set 51 – Radiology Cases Quiz 5
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- Spotters Set 53 – MSK MRI cases
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- Spotters Set 59 – Neuroradiology cases
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- Guide for first-year radiology residents.
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