Irregular cracks in the scalp

Introduction The irregular scalp of the scalp is a complex laceration of the scalp in the scalp injury. Although the scalp has a laceration, as long as it can be thoroughly debrided in time, infection is rare. In each layer of the scalp, the cap-like aponeurosis is a tough aponeurosis that is not only an important structure for maintaining scalp tension, but also a barrier against the invasion of superficial infections into the brain.

Cause

Cause: When the near-vertical violence acts on the scalp, due to the cushion of the skull, it often causes scalp contusion or scalp hematoma. In severe cases, it can cause contusion and laceration; near the oblique or tangent external force, because the scalp slides often It causes laceration and laceration of the scalp, but to a certain extent it can buffer the intensity of violence on the skull.

an examination

Related inspection

Blood test EEG examination

Diagnosis: scalp laceration The scalp is a specialized skin that contains a large number of hair follicles, sweat glands and sebaceous glands. It is easy to hide dirt and bacteria and is prone to infection. However, the blood circulation of the scalp is very rich. Although the scalp is lacerated, as long as it can be thoroughly debrided in time, the infection is rare. In each layer of the scalp, the cap-like aponeurosis is a tough aponeurosis that is not only an important structure for maintaining scalp tension, but also a barrier against the invasion of superficial infections into the brain. When the scalp laceration is shallow and does not damage the cap-like aponeurosis, the rupture is not easy to open, and the vascular end is difficult to retract and stop bleeding, and the bleeding is more. If the aponeurotic aponeurosis breaks, the wound is clearly ruptured, and the damaged vascular end is retracted with the wound and self-coagulated, so less bleeding.

Differential diagnosis

Differential diagnosis:

(1) scalp simple laceration: often due to sharp stab wound or cut injury, the crack is relatively straight, the wound edge is neat and no defect, the depth of the wound varies with the injury factor, except for a few sharp instruments directly penetrating or licking Outside the cranial incision, causing open head injury, most of the simple laceration is limited to the scalp, sometimes deep into the periosteum, but the skull is often intact and not accompanied by brain damage.

(2) complicated schizophrenia: often caused by blunt injury or head collision on foreign objects, the crack is irregular, the wound edge has contusion marks, and there is still fiber connection between the internal cracks, which is not completely broken off. There is no "organizational frustration" phenomenon. In forensic identification, if there is "tissue collapse" in the scalp contusion and laceration wound, it is often suggested that it is caused by metal or angular weapons. The shape of the wound often reflects the size and shape of the wound. Such wounds are often accompanied by skull fractures or brain damage. In severe cases, comminuted sag fractures or hole fractures can be penetrated into the skull. Therefore, foreign bodies such as hair, cloth dust or sediment are often embedded, which may cause infection. When checking the wound, be careful not to remove the foreign matter embedded in the skull to avoid sudden bleeding.

(3) scalp laceration: Most of the violent effects in the oblique or tangential direction are caused by the scalp. The torn scalp is often tongue-like or lobed, often with a pedicle attached to the head. Scalp laceration is generally not associated with skull and brain damage, but not always, occasionally there are skull fractures or intracranial hemorrhage. These patients have more blood loss, but less to the extent of shock.

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