Abstract
Diffuse cavernous hemangioma of the rectum (DCHR) is a relatively rare disease. A 40-year-old man presented with long-standing lower abdominal discomfort and hematuria. At the time of hospitalization, his vital signs and hemoglobin level were normal. Colonoscopy showed markedly dilated blood vessels in the sigmoid mucosa, which was confirmed on magnetic resonance imaging and computed tomography as cavernous hemangioma. Without surgery, there have been no signs of progression of DCHR during a 3-year follow-up period.
Highlights
Diffuse cavernous hemangioma of the rectum (DCHR) is a rare benign vascular tumor that is characterized by delayed diagnosis.We report a case of a 40-year-old man who was admitted to our hospital due to long-standing lower abdominal discomfort and hematuria
Colonoscopy showed markedly dilated blood vessels in the sigmoid mucosa, which was confirmed on magnetic resonance imaging and computed tomography as cavernous hemangioma
Since the first case of rectal hemangioma reported by Phillips in 1839, there have been only approximately 350 cases reported worldwide [1]
Summary
Diffuse cavernous hemangioma of the rectum (DCHR) is a rare benign vascular tumor that is characterized by delayed diagnosis. We report a case of a 40-year-old man who was admitted to our hospital due to long-standing lower abdominal discomfort and hematuria. He had no history of fever, abdominal pain, intermittent rectal bleeding, or weight loss. Magnetic resonance imaging (MRI) showed thickened wall from the sigmoid colon to the rectum, with tortuous and dilated vessels in the fatty tissue (Fig. 3). These findings were consistent with DCHR, and we decided to observe the patient. During a 3-year follow-up, there were no signs of progression of DCHR
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