Subcutaneous hematoma

Introduction The blood in the blood vessels (usually capillaries) exudes from the blood vessels due to abnormal causes, and the mass formed in the skin is called a subcutaneous hematoma. Extensive or localized skin and submucosal hemorrhage, forming red or dark red spots on the skin and mucous membranes, about 3-5 mm in diameter or larger, and the fading of the pressure is called purpura. Usually, the diameter is less than 2 mm, the bleeding point is called, the larger than 5 mm is called the ecchymosis, and the local bulge or the undulation is the hematoma.

Cause

The blood vessel wall is damaged, allowing blood to seep out of the blood vessels. Diagnosis method: first check whether there is any trauma, such as no trauma, mostly caused by vascular factors, blood routine examination and beam arm test. Treatment: Ice. For the lumps caused by local bruises, as long as the ice is applied, the ice is covered with a towel at the lumps and iced for at least 15 minutes. Do not rub your hands, otherwise it will get bigger and bigger. After a few days, the hematoma will slowly absorb.

an examination

Related inspection

Cross-matching blood test skin smear microscopy CT examination

First look at whether there is no trauma, such as no trauma, mostly caused by vascular factors, blood routine examination and beam arm test. A scalp hematoma should occur, and you should be alert to the presence of intracranial hematoma, concussion or brain contusion. Let the casualty rest quietly, observe the changes of the condition within 24 hours, if there is more and more obvious headache, nausea, vomiting, irritability or gradual loss of consciousness, pupils are not big, ear, nose bleeding and other symptoms appear, it is not A simple scalp hematoma problem should be promptly consulted by a doctor or sent to the hospital for further treatment.

Differential diagnosis

Need to be identified with the following symptoms:

Subsurgical hematoma: scalp hematoma caused by blunt trauma, according to the specific level of hematoma in the scalp, can be divided into subcutaneous hematoma, subarachnoid hematoma and subperiosteal hematoma.

Subcutaneous cyst: A subcutaneous cyst is a pathological structure that occurs in the dermis or subcutaneously, has a cystic structure, has a wall outside, and contains liquid or other components.

Subcutaneous emphysema: subcutaneous emphysema in the subcutaneous tissue of the chest.

First look at whether there is no trauma, such as no trauma, mostly caused by vascular factors, blood routine examination and beam arm test.

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