space-occupying lesion


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space-occupying lesion

Hematology A lesion that replaces BM, alters its architecture and/or depresses marrow production, resulting in myelophthisic anemia; most SOLs are due to metastases from 1º CAs of lung, breast, prostate, thyroid, adrenals, but may be due to myeloma, leukemia, lymphoma, osteosclerosis, myelofibrosis; all 3 blood cell lines are affected; immature RBCs and WBCs appear in peripheral circulation, due to irritation phenomena. See Myelofibrosis. Myelophthisic anemia
References in periodicals archive ?
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 [54].
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.

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