Acute anal venous thrombosis Images
Go to article Acute anal venous thrombosis
Acuteanal venous thrombosis, acute, very painful, blue-red, perianally localized, initially soft, but within a day becoming more and more elastic.

Acute anal venous thrombosis in 32-year-old pregnant women in the 28th week of pregnancy. Fig. from Eiko E. Petersen,Colour Atlas of Vulva Diseases, with the prior approval of Kaymogyn GmbH Freiburg.
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Anal venous thrombosis, acute histology. edematous lump with normal surface epithelium. dilated gaping vessels. At the top right and in the center of the incision several freshly thrombosed veins have appeared.