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Fig. 4 | BMC Surgery

Fig. 4

From: Adult pancreatic hemangioma in pregnancy – concerns and considerations of a rare case

Fig. 4

a Large dilated vascular structures lined by endothelial cells filled with red blood cells. The thickened vessel walls are composed of fibrous or spindle cell stroma with mild chronic inflammation. (H and E; original magnification: ×10). b Large dilated vascular structures lined by endothelial cells filled with red blood cells. The thickened vessel walls are composed of fibrous or spindle cell stroma with mild chronic inflammation and hemosiderin loaded macrophages (arrow) (H and E; original magnification: ×20). c Microscopy showing large dilated vascular structure lined by endothelial cells. The wall is infiltrated with mild chronic inflammation. (H and E; original magnification: ×100). d. Immunohistochemical expression of CD31 (brown) depicting the endothelial lining of larger vascular spaces and small vessels in the stroma (original magnification, ×20)

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