What are skin hyperplasia balls?

The small balls of skin hyperplasia are lipomas, which are a common skin symptom, especially for young and middle-aged people. There are many reasons for this lipoma. Although the specific cause has not yet been understood, it may be related to bad emotions and usual diet. Therefore, we must maintain an optimistic attitude and pay attention to diet conditioning.

What are skin hyperplasia balls?

Subcutaneous lipoma, also known as superficial lipoma, is a benign soft tissue tumor composed of mature adipose tissue and occurring superficially (subcutaneously). It is by far the most common mesenchymal tissue tumor.

Under normal circumstances, it can occur in any part of the body where there is fat, most commonly on the back, neck, shoulders, abdomen, breasts and proximal limbs, and less commonly on the face, hands, feet and calves. It is more common in adults, especially those aged 30 to 50 years old, and is rare in patients under 20 years old. Subcutaneous lipomas can be single or multiple, and the main manifestations are local protrusions of the tumor, soft texture, no redness or swelling, no tenderness, and a certain degree of mobility.

examine

1. Histopathological examination

The cross-section of lipoma is mostly light yellow in pathological sections. The tumor is composed of mature fat lobules wrapped by a thin layer of fibrous membrane. The capsule is thin and complete, and the fat cells are consistent in size and shape. There are fat lobules separated by trabeculae, and there are branched fibrous tissue and capillaries between the lobules. There are not many blood vessels in the tissue, and the capillaries are unevenly distributed. There may be a small number of scattered foam cells mixed in. Sometimes focal myxoid degeneration, calcification, ossification, hemorrhage, necrosis, liquefaction or xanthomatous changes can also be seen. There is usually not much fibrous tissue. If there is more, it is called fibrolipoma. When the pedicle of a larger lipoma is twisted, it may become cystic due to liquefaction changes caused by local blood flow obstruction.

2. Ultrasound examination

B-ultrasound can accurately determine the location, size, texture, and whether it is solid or cystic. Color ultrasound can directly see the blood supply of the tumor. If the blood supply is abundant, it may be malignant. It is necessary to do color B-ultrasound or vascular puncture angiography. Color ultrasound or angiography can clearly determine its boundaries, whether the capsule is intact, and its relationship with surrounding large blood vessels, nerves and other important tissues.

Causes

The cause of subcutaneous lipoma is not fully understood. Common solitary lipoma is related to the recombination of chromosome 12. The incidence of lipoma is higher in obese people, those with diabetes and high serum cholesterol levels. Sometimes lipomas are present locally after trauma, but it is not clear whether trauma causes lipomas. Multiple patients may have a family history.