Intrahepatic hemangioma

Hepatic hemangiomas are mostly cavernous hemangiomas. They are a common benign tumor of the liver, which can occur at any age, but they usually show symptoms in adults, mostly in women. Tumors are found in any part of the liver, often under the capsule, and are usually single (about 10% are multiple). The diameter of the tumor is less than 4cm, but it can be as small as a few mm and as large as 30cm. The surface of the tumor was dark red or purple with an envelope and a sponge-like cut surface. Sometimes thrombosis and scarring are seen inside the hemangioma, with occasional calcification. Under the microscope, a hemangioma is a network of interstitial spaces formed by vascular ducts with flat endothelial cells of different sizes on the inner wall, which contains red blood cells and sometimes fresh organic blood clots. The tumor is clearly delimited from the surrounding tissue. Hepatic hemangioma is usually cavernous hemangioma. In the past, it was considered rare, but in recent years, due to the popularity of ultrasound imaging, the disease is very common. In the past, it was not found because there were no symptoms and no ultrasound imaging. Slightly more women than men, can be seen at any age, more common in 30 to 60 years. The appearance is purple-red, soft, can be crushed, the resected specimen withers, the cut end is sac-like or sieve-like space-sponge-like, scars or even calcification are occasionally seen. Vascular lumens of different sizes are seen under the microscope. Flat endothelial cells form the surface of the tube wall, and the cavity space is composed of fibrous tissue, usually without cirrhosis. Previously, it was thought that most were single, and many were observed since the advent of ultrasound imaging.

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