Spine MRI shows 'pencil-sharpened' vertebral bodies and 'H-shaped' vertebrae on T1-weighted images. Most likely diagnosis?
ASickle cell disease
BPaget's disease
CThalassemia
DOsteopetrosis
A resident at the emergency department is preparing for a lumbar puncture in a 26 years old female with suspected subarachnoid bleeding. Although she presented with altered sensorium, CT brain was found to be normal. During LP, which structure is pierced after the spinal needle crosses interspinous ligament?
ASupra/inter spinous ligament
BSkin
CSub cutaneous fascia
DDura mater
EArachnoid mater
FLigamentum flava
Third part of vertebral artery is related to which of the following ?
AForamen magnum and intracranial course
BTransverse foramen of C6 vertebra
CPosterior arch of atlas (C1)
DTransverse foramina of C2-C6 vertebrae
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