Pleural pointillism

Last revised by Naqibullah Foladi on 28 Jan 2021

Pleural pointillism is multiple high signal regions on b=1000 diffusion-weighted imaging but not at lower b-values. It can be a reliable tool allowing differentiation of malignant from benign pleural lesions and can help guide biopsy 1-3.  Its sensitivity is reported to be 93-100% and specificity of 79-83% respectively 1,3

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