PCNSL is the second most common cause of CNS space-occupying lesions
in HIV after toxoplasmosis, and is also the main differential for toxoplasmosis as discussed earlier .
Macroscopically, they typically present as brown, space-occupying lesions
Signs and symptoms may be the result of an unrelated or undiagnosed space-occupying lesion
Multiple space-occupying lesions
in the liver of such patients may represent plasmacytomas.
Further evaluation of the spine by MRI revealed the presence of a space-occupying lesion
at the level of the conus medullaris and involvement of the leptomeninges in the thoracic and cervical areas.
7) Any space-occupying lesion
between the nose and the glottis can cause an obstruction and predispose a patient to OSA.
A contrast-enhanced computed tomography scan of the abdomen and pelvis showed multiple space-occupying lesions
in the liver suggestive of metastases and mild ascites with no residual disease, along with postoperative changes (Fig.
We have discussed the importance of modern neuroradiological modalities in patients presenting only with neuropsychiatric symptoms for the exclusion of possible organic brain pathologies or space-occupying lesions
Magnetic resonance imaging revealed space-occupying lesions
in Meckel cave bilaterally, with soft-tissue density extending into the left sphenoid and posterior ethmoid sinuses.
CNS) lymphoma were common causes of space-occupying lesions
in HIV-positive patients.
Paragangliomas are more rare than pheochromocytomas and tend to present as space-occupying lesions
, with metastases often present at diagnosis.
5) Tophaceous deposits may mimic space-occupying lesions
and occasionally be confused with rheumatoid nodules.