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File:Modified Gomori trichrome stain showing several ragged red fibers.jpg

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English: (a) Modified Gomori trichrome stain showing several ragged red fibers (arrowhead). (b) Cytochrome c oxidase stain showing Type-1 lightly stained and Type II fibers, darker fibers, and a few fibers with abnormal collections of mitochondria (arrowhead). Note cytochrome c oxidase negative fibers as usually seen in mitochondrial encephalopathy, lactic acidosis and stroke-like episodes (MELAS). (c) Succinate dehydrogenase staining showing a few ragged blue fibers and intense staining in the mitochondria of the blood vessels (arrow). (d) Electron microscopy showing abnormal collection of mitochondria with paracrystalline inclusions (arrowhead), osmiophilic inclusions (large arrowhead) and mitochondrial vacuoles (small arrowhead). Abu-Amero et al. Journal of Medical Case Reports 2009 3:77 doi:10.1186/1752-1947-3-77
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Source A patient with typical clinical features of mitochondrial encephalopathy, lactic acidosis and stroke-like episodes (MELAS) but without an obvious genetic cause: a case report
Author Abu-Amero KK, Al-Dhalaan H, Bohlega S, Hellani A, Taylor RW.
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© 2009 Abu-Amero et al; licensee BioMed Central Ltd.

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Other versions Derivative works of this file:  Ragged red fibers in MELAS.jpg
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current10:06, 28 January 2010Thumbnail for version as of 10:06, 28 January 2010949 × 788 (181 KB)CopperKettle{{Information |Description={{en|1=(a) Modified Gomori trichrome stain showing several ragged red fibers (arrowhead). (b) Cytochrome c oxidase stain showing Type-1 lightly stained and Type II fibers, darker fibers, and a few fibers with abnormal collection

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