PMC3932640_01
Formation of bluish hemangiomas on the arms, forearm, hands, and thighs (arrows).
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fig1
The lesions had varying diameters (1 cm to 12 cm) and were usually regularly raised mushrooms, resembling small bubbles of blue coloration (Figure 1).
Colonoscopy showing numerous vascular malformations located in the surface of the colon mucosa.
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fig2
To clarify the origin of the lower digestive bleeding, the patient underwent a colonoscopy that identified, in addition to hemorrhoidal disease of the III degree, numerous venous malformations measuring 1.5 x 2.0 cm that were scattered throughout the mucosa of the colon and rectum (Figure 2).
Colon biopsy showing vascular malformation with dilatation and the congestion of the blood capillaries of the submucosa (white arrow). (HE x400).
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fig3
Histopathological examination revealed numerous dilated blood vessels in the lesion with signs of recent hemorrhage located mainly in the submucosal layer (Figure 3).