What causes a slight indentation on the forehead?

Slight depression of the forehead may be caused by congenital factors, or secondary causes such as trauma or eosinophilic granuloma of bone. The specific analysis is as follows:

1. Congenital Factors

If a pregnant woman is exposed to harmful substances or suffers from bacterial infections during pregnancy, it may lead to chromosomal abnormalities in the embryo and affect nervous system development. This can result in premature cessation of ossification after birth, causing skull defects and forehead depression. If there are no obvious symptoms, special treatment is generally not required.

2. Secondary Factors

1) Trauma

When the forehead suffers external impact leading to skull fracture, a localized depression may form. It is necessary to undergo thorough examinations at a hospital and, under medical guidance, receive treatment such as elevation of depressed fractures to improve symptoms.

2) Eosinophilic Granuloma of Bone

After destruction of cranial bone tissue, soft tissue may replace the damaged area, resulting in a palpable localized depression on the forehead. It is recommended to undergo appropriate examinations at a hospital. For lesions located in less critical functional areas, marginal resection surgery may be performed to alleviate symptoms.

In addition, brain tumors may also cause forehead depression. If other accompanying symptoms are present, timely medical evaluation is advised to avoid delays in diagnosis and treatment.