Demographics:
11 years old, Male
Indication:
Diabetes insipidus
Findings
- Thickening of the pituitary stalk with corresponding diffuse enhancement
- Absent posterior pituitary bright spot on pre-contrast T1-weighted imaging
- Confluent T2/FLAIR signal hyperintensity in the bilateral cerebral periventricular white matter with white matter volume loss and thinning of the corpus callosum (patient had a known history of periventricular leukomalacia)
- Few scattered foci of susceptibility artifact in the left greater than right parietal lobes
Diagnosis
Langerhans cell histiocytosis (LCH)
Key Imaging Features
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Differential Diagnosis
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Discussion
Pearls
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