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Spotters Set 59 – Neuroradiology cases – FREE ACCESS

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 Neuroradiology Cases

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  1. 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. 
  2. Asterion defect in Neurofibromatosis 1 – Cranial defect at the level of the lambdoid suture.
  3. Harlequin eye deformity: Elevation of the superolateral corner of the orbit. It may be seen in unilateral (plagiocephaly) or bilateral (brachycephaly) coronal suture synostosis.
  4. Giant tuberculoma – T2 hypointensity is characteristic.
  5. 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.
  6. 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.
  7. Meningioma – Homogenously enhancing intradural extramedullary lesion. Click here for a list of differentials for spinal masses.
  8. Cortical venous thrombosis with hemorrhage. Check flow void in the T1 image and hemorrhage on SWI images.
  9. 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.
  10. 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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Further reading and references:

Osborn's Brain Neuroradiology Book
Osborn’s Brain

Recommended books for spotters:

Aunt-Minnie's Atlas of Imaging and Specific Diagnosis Radiology Book
RadCases Radiology case based book

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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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