Midline mystery
- Correspondence to Helen Williams, Radiology Department, Birmingham Children's Hospital, Steelhouse Lane, Birmingham, West Midlands B4 6NH, UK; helen.williams{at}bch.nhs.uk
- Received 14 April 2012
- Accepted 18 April 2012
- Published Online First 26 July 2012
Answers to the following two quiz questions can be found on page 239
Theme: midline brain abnormalities
For each of the following questions select one option from the following:
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Craniopharyngioma
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Septo-optic dysplasia
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Pituitary adenoma
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Posterior pituitary ectopia
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Germinoma
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Pituitary hypoplasia
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Hypothalamic hamartoma
Question 1
A 11-year-old girl presented with short stature and subsequent investigations revealed isolated growth hormone deficiency. A MRI scan was performed to look for any associated pituitary abnormalities. Figure 1 is a midline unenhanced, T1-weighted sagittal image of her brain. What does it show?
Question 2
A 6-year-old boy underwent MRI scan as part of his investigation for rapidly progressing central precocious puberty. What is the diagnosis based on this midline unenhanced, T1-weighted sagittal image (figure …








