Perianal hematoma: Causes, symptoms, and treatment of perianal thrombosis
A perianal hematoma, also known as perianal thrombosis, is a hematoma located around the border of the anus. A hematoma is a localized collection of blood outside of blood vessels under the skin. Perianal hematomas are sometimes inappropriately referred to as external hemorrhoids. Perianal hematomas can present over a short period of time and be ...click here to read more