Fig. 3

Lesions of appendix with mixed capillary and cavernous hemangiomas and LAM. The images were obtained after H&E staining under a magnification of 100×. A There was massive mucus, blood filled parenchymal vessels and hemorrhage in the appendiceal mucosa. B Spongy blood vessels of variable size and shape were seen, together with capillaries at the appendix muscularis and serosa. C Massive capillaries at the serosa. D The distended region of the appendix with thinned mucosa was reduced to a single columnar cell layer, with underlying fibrotic submucosa. The columnar cell was minimal atypia. E Immunohistochemical staining of CD31