@entity1653 are not commonly encountered and are said to account for only 1 to 2% of all types of @entity1653 . There have been several reports on them and most of them were discussed under the aspect of the mechanism of cystic formation. Though few reports present the process of cystic formation, here we were able to present the process of cystic formation with @entity548 . The case was a 56-year-old @entity1 who presented with @entity322 . MRI revealed a large @entity5 in the right frontal lobe and he was admitted to another hospital. After 20 days, MRI incidentally revealed @entity1410 near the intratumoral cyst. Two weeks later, MRI revealed that the @entity1410 flowed out the cyst and the cavity of the @entity1410 communicated with the cyst. Angiography showed that the @entity5 was fed by the left anterior ethmoid artery. After surgical removal of the @entity5 , histopathological diagnosis was that the @entity5 was a transitional @entity1653 and there were no findings of @entity5 . Commonly, @entity548 is unusual for a @entity1653 but we suspect that there are not a few cases in which small @entity548 occurred without symptoms and the @entity1410 joined the intratumoral cyst while the cyst grew gradually.

[Intratumoral @entity548 associated with XXXX under observation: a case report].

@entity1 :: ('9606', 'Species') :: ['man'] @entity322 :: ('MESH:D014549', 'Disease') :: ['urinary incontinence'] @entity548 :: ('MESH:D006470', 'Disease') :: ['intratumoral hemorrhage', 'hemorrhage'] @entity5 :: ('MESH:D009369', 'Disease') :: ['cystic tumor', 'tumor', 'malignancy'] @entity1653 :: ('MESH:D008579', 'Disease') :: ['meningioma', 'Cystic meningiomas'] @entity1410 :: ('MESH:D006406', 'Disease') :: ['hematoma cavity', 'hematoma']
@entity1653 :: (MESH:D008579,Disease) :: ['cystic meningioma']
