44, 45 Next, it is not clear if all radiological white matter lesions are relevant.
Definite FXTAS requires the presence of the major radiological sign, white matter disease in the MCP, in addition to tremor and/or ataxia in a premutation carrier.
Of special interest, cognitive decline in patients with radiological abnormalities (white matter hyperintensities and global cortical atrophy) was associated with radiotherapy doses that are considered safe (< 2 Sv) [ 60].
They used an M.R.I. scan to measure brain volume and white matter hyperintensities, a radiological finding indicative of vascular damage.
From the radiological point of view, grey matter manifestations in MS have been disregarded for a long time because of the low sensitivity of conventional MRI techniques in the detection of cortical lesions.
Radiological signal changes of the white matter increase with age and were clearly seen in the present healthy control group.
Cerebral oedema is often the earliest radiological sign and it preferentially affects the white matter [ 5].
Whether the subtalar joint should be included in an ankle fusion is a matter of individual judgement of clinical and radiological signs [6, 8, 15, 16, 21].
Physicians, as experts in medical matters, are expected to understand the proper use of radiological services and to understand the problems associated with injudicious use.
Whether these radiological lesions correspond to irreversible histological changes is still a matter of debate.
Under the Act, the Board will 'provide expert advice and guidance to the Secretary on scientific, technical, and other matters … regarding current and future chemical, biological, nuclear, and radiological agents, whether naturally occurring, accidental, or deliberate.
