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International Journal of Clinical & Medical Images

ISSN: 2376-0249

Clinical-Medical Image - International Journal of Clinical & Medical Images (2020) Volume 7, Issue 10

Multiple Intracranial Calcifications: Think About Miliary Brain Metastases!

Multiple Intracranial Calcifications: Think About Miliary Brain Metastases!

Author(s): Kaoutar Imrani*, Sanae Amalik, Ola Messaoud, Amal Lahfidi, Hounayda Jerguigue, Rachida Latib and Youssef Omor

Miliary brain metastases were first described by Madow and Alpers in 1951 as carcinomatous encephalitis. It is a rare presentation of brain metastases. The primary tumors reported to be responsible for calcified brain metastases are breast, lung, ovarian and colon cancers. Neurological symptoms may be present or absent due to minimal perilesional edema which generates mass effect. Brain CT scans with contrast shows multiple calcified nodular and micronodular lesions which can be enhanced (Figure 1). Calcifications can take several aspects: microcalcification <4 mm, nodular calcification >4 mm, clusters of calcifications, «popcorn-like» calcification or peripheral rim calcification.  The lesions are preferentially located at the grey white matter junction due to the hematogenous dissemination. Edema and mass effect are minor.

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