Clinical tissue processing such as formalin fixing, paraffin-embedding and histological staining alters significantly the optical properties of the tissue. We document the alterations in the optical properties of prostate cancer tissue specimens in the 500nm to 700nm spectral range caused by histological processing with quantitative differential interference contrast (qDIC) microscopy. A simple model to explain these alterations is presented at the end.
We report a microscopic approach for determining cell cycle stages by measuring the nuclear optical path length (OPL) with quantitative differential interference contrast (DIC) microscopy. The approach is validated by the excellent agreement between the proportion of proliferating-to-quiescent cancerous breast epithelial cells obtained from DIC microscopy, and that from a standard immunofluorescence assay.
We present the case of a two-week-old infant with congenital diaphragmatic hernia (CDH) and Pallister-Killian mosaic syndrome (PKS) for CDH repair. We discuss the pathophysiologic findings of both conditions and the resulting anesthetic challenges from their interplay.
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