Published Online: May
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Sir: Andrews and colleagues point out that few reports in the literature describe brain tissue extrusion into the extradural space in association with postmortem thermal injury and suggest dural shrinkage and tearing as a mechanism for this phenomenon. Some years ago, facilitated frontal lobe exand tearing as a mechanism for this phenomenon. Some years ago, I autopsied a middle-aged man who died in a residential fire. The body and head were badly charred (Fig. 1) and the internal organs had an intense pinkish hue; death was due to carbon monoxide poisoning. The brain was swollen and frontal lobe tissue streamed through a dural defect in the mid frontal region in mushroom-like fashion (Fig. 2). In the case of Andrews et al., the brain was apparently normal before death; it was then boiled for a lengthy period of time turning it to shrunken curd-like material. Prior swelling of the brain in my case and the different type of thermal injury may account for the better preservation of brain tissue and may have facilitated frontal lobe extrusion.
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