Moyamoya is a rare cerebrovascular disease characterised by progressive stenosis of the terminal portion of the internal carotid artery and its main branches. We report on the progression of the disease in a 3-year-old boy, confirmed to have idiopathic moyamoya disease, over 6 ensuing years, using serial magnetic resonance imaging with MR angiography. Comparison is also made with conventional angiography at the last visit. Characteristic imaging appearances of asymmetric narrowing of the internal carotid arteries (especially the supraclinoid portion) with numerous collateral vessels around the brainstem, especially within the ambient and quadrigeminal plate cisterns, are demonstrated with progression.S Afr J Rad 2013;17(3):88-90.
Congenital infiltrating lipomatosis of the face (CILF) is a rare disorder in which overgrowth of fatty tissue with infiltration of underlying structures leads to craniofacial deformities and asymmetry. Imaging plays an important role in the diagnosis, surgical planning and evaluation of underlying structures. To our knowledge, our case is the first to describe CILF associated with isolated enlargement of a cerebellar hemisphere in the absence of an enlarged ipsilateral cerebral hemisphere (hemimegalencephaly).
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