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. 2004 May 4;47(6):895–905. doi: 10.1007/s10350-004-0531-1

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© The American Society of Colon and Rectal Surgeons 2004

This article is made available via the PMC Open Access Subset for unrestricted research re-use and secondary analysis in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the World Health Organization (WHO) declaration of COVID-19 as a global pandemic.

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Fig. 2. — Histologic findings of acute hemorrhagic rectal ulcer syndrome.(Patient 2). A. Necrosis with focal denudation of covering epithelium, hemorrhage and multiple thrombi in the vessels of the underlying stroma (hematoxylin and eosin (H & E); ×20). B. Multiple thrombi (arrow) in the vessels within mildly inflammatory stroma (H & E; ×40). C. Multiple thrombi (arrow) in the vessels of lamina propria beneath the surface epithelium with focal erosion (H & E; ×40).