A 52-year-old man without comorbidities was admitted to our gastroenterology department
after he collapsed while on the toilet and noticed passage of bright red blood per
rectum. On clinical examination he appeared to be healthy. Only mild abdominal pain
was noticed. He was normotensive but with mild tachycardia (111/min). Laboratory analysis
was unremarkable except for normocytic anemia (hemoglobin 78 g/L). He denied medicine
consumption.
In order to exclude upper gastrointestinal bleeding, esophagogastroduodenoscopy was
performed during which no clinically relevant findings were reported. Colonoscopy
was attempted with a gastroscope and without previous purge. Fresh blood with numerous
coagula was found in the rectum ([Fig. 1 a]), while the mucosa between the sigmoid and mid-transverse colon was covered with
old blood ([Fig. 1 b]). The cecum was not reached. The rectum was carefully re-examined and, after cleansing,
a 10-mm 0-Isp polyp was discovered at 12 cm from the anal verge ([Fig. 2 a]). Active oozing of venous-type bleeding was observed from the tip of the polyp.
Fig. 1 Endoscopic images. a Fresh blood with coagula in the rectum, as seen in inversion. b The mucosa of the mid-transverse colon was covered with old blood and feces.
Fig. 2 Endoscopic images. a Active oozing of venous-type bleeding was observed from the eroded polyp surface.
The polyp was located in the upper part of the rectum. Histology analysis showed lobular
capillary hemangioma. b The bleeding polyp was successfully removed by snare polypectomy with electrocautery.
c Owing to massive bleeding and a potential underlying vessel, the polypectomy defect
was closed with two hemoclips despite the small size of the resected polyp.
Resection using a hot snare without submucosal injection was performed ([Fig. 2 b]) and the postpolypectomy defect was closed with two hemoclips ([Fig. 2 c], [Video 1]). After an uneventful 24 hours of observation, the patient was discharged home.
Histology analysis revealed an 8 × 6 × 5 mm lobular capillary hemangioma with erosion
on the mucosal surface.
Video 1 A 10-mm lobular capillary hemangioma was the cause of severe rectal bleeding with
post-hemorrhagic anemia in a 52-year-old man.
Also known as pyogenic granuloma, lobular capillary hemangiomas are most common in
nasal mucosa and skin [1], and are very rare in the small and large intestine [2]. The typical presentation is gastrointestinal bleeding with or without anemia or
abdominal pain. Massive bleeding is rare, although historical literature describes
cases of death from exsanguination [3]. We have described a case of massive bleeding from a small polypoid rectal lobular
capillary hemangioma in a previously healthy man, which was successfully removed by
snare polypectomy with electrocautery.
Endoscopy_UCTN_Code_CCL_1AD_2AJ
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