Subcutaneous fat necrosis

Introduction Subcutaneous fat necrosis of newborn is a benign disease, which is a disease that occurs in the early stage of neonates or infants. It is characterized by the appearance of painless nodules and plaques in subcutaneous adipose tissue, which can resolve spontaneously and have a good prognosis. It is a type of symptom of panniculitis. Local factors such as trauma, cold, injection of certain drugs, systemic factors such as tuberculosis infection, tonsillitis can cause. Chinese medicine believes that the inflammation of the system is intrinsic, and it is affected by cold and dampness, so that the meridians are blocked, the blood and blood are stagnant, and the camp is out of adjustment.

Cause

(1) Causes of the disease

It is still unclear. Some children have a history of dystocia or a history of birth injury and asphyxia, which is related to hypoxia and cold. It is unclear whether there is any relationship between maternal diabetes and the occurrence of this disease.

(two) pathogenesis

The pathogenesis is still not very clear.

an examination

Related inspection

Body fat rate blood routine

The initial stage of skin damage is red or purple-red subcutaneous deep nodules, single or multiple, round or oval, small can be as large as soybeans, the larger can be as large as eggs, scattered distribution. Later, it can be fused into plaques with clear boundaries. Sometimes the edges are slightly higher, there is no depression, no symptoms, and no systemic symptoms. Around the full moon, the nodules and plaques begin to soften and absorb, and completely disappear after a few months, and generally do not collapse during the process. Healthy babies, which are common in full-term delivery, develop within 1 to 6 weeks. More common in the buttocks, thighs and cheeks, torso, etc., sometimes the upper limbs, vulva can be involved.

Differential diagnosis

1. Newborn frostbite: common in premature infants, poor nutrition, first in the feet, calves, can extend to the whole body, with depressed edema.

2. Neonatal scleredema: more common in premature infants, systemic skin sclerosis, poor prognosis, little or no fat necrosis, inflammation or giant cell infiltration, lack of calcium deposition, wide fibrous band in the subcutaneous tissue.

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