Mixed microcystic and angiomatous meningioma
Diagnosis certain
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MRI Brain
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This patient went on to have a craniotomy and resection of the mass.
Pathology
Final diagnosis
Falx cerebri, lesion, excision: Meningioma with microcystic and angiomatous features.
Microscopic Description:
Sections Sections show a moderately cellular neoplasm, attached to dura matter. There are microcystic changes and prominent vascularity, including both thick and thin-walled blood vessels. In some areas, tumour cells with regular oval nuclei and abundant eosinophilic cytoplasm form solid sheets. There are foci of xanthomatous change and occasional cells associated with round eosinophilic globules. Whorl formation is not evident. There are no atypical features and no brain tissue is present to assess invasion.
-<p>This patient went on to have a craniotomy and resection of the mass. </p><p>Pathology</p><p>Final diagnosis</p><p>Falx cerebri, lesion, excision: Meningioma with microcystic and angiomatous features.</p><p>Microscopic Description: </p><p>Sections show a moderately cellular neoplasm, attached to dura matter. There are microcystic changes and prominent vascularity, including both thick and thin-walled blood vessels. In some areas, tumour cells with regular oval nuclei and abundant eosinophilic cytoplasm form solid sheets. There are foci of xanthomatous change and occasional cells associated with round eosinophilic globules. Whorl formation is not evident. There are no atypical features and no brain tissue is present to assess invasion.</p>- +<p>This patient went on to have a craniotomy and resection of the mass. </p><p><strong>Pathology</strong></p><p>Falx cerebri, lesion, excision: <a title="Cystic meningioma" href="/articles/cystic-meningioma">Meningioma with microcystic and angiomatous features</a>.</p><p>Microscopic Description: Sections show a moderately cellular neoplasm, attached to dura matter. There are microcystic changes and prominent vascularity, including both thick and thin-walled blood vessels. In some areas, tumour cells with regular oval nuclei and abundant eosinophilic cytoplasm form solid sheets. There are foci of xanthomatous change and occasional cells associated with round eosinophilic globules. Whorl formation is not evident. There are no atypical features and no brain tissue is present to assess invasion.</p>
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- rmh