For seminal vesicle-derived tumours, pelvic cavity CT and MRI have significant advantages for determining the origin and extent of space-occupying lesions
and whether they have invaded adjacent tissues.
Although a heterogeneous space-occupying lesion
may be detected in US, CT should be carried out in order to define the hemorrhagic component with its heterogeneous hyperdense appearance (4).
ICP monitoring alone cannot absolutely ensure early detection of the contralateral space-occupying lesion
after DC due to improvement in cerebral compliance.
The imaging differential diagnosis of epidural, space-occupying lesions
includes both tumor lesions and nontumorous lesions mimicking tumors.
(8) Additionally, any space-occupying lesion
in the anterior mediastinum can produce symptoms of superior vena cava syndrome (headache, dyspnea, edema head/ neck/forearm).
In the MRI examination (Achieva 3T, Philips AG, 8027 Zurich, Switzerland) of the spine, a small (4.5-mm diameter), tubular, space-occupying lesion
was identified at the cervical intervertebral disk space 6/7 on the left side of the spinal cord.
In MRI study, there was no evidence of a space-occupying lesion
, but the neuroimaging revealed a dilated optic nerve sheath surrounding the optic nerves (Figure 3 a-b).
Even in the context of an abnormal neurologic exam, "'only 4% have a space-occupying lesion
, and most of them will also have an abnormal neurologic exam.
"He did an assessment and he said 'I think you have a space-occupying lesion
,' which as a nurse I thought could be a brain tumour.
At posterior rhinoscopy there was visualized 4x6.5 cm reddish space-occupying lesion
, with smooth surface overlapping 2/3 of both choanae.
Compressive atelectasis develops with any space-occupying lesion
such as pneumothorax, hemothorax, pleural effusion, or abdominal distention.