Symptoms of cerebral choroid cyst?

summary

One is epidermoid cyst and the other is dermoid cyst. Epidermoid cyst epidermoid cyst was officially named by critchey in 1928. Different from cholesteatoma of middle ear, it is not caused by repeated inflammation, but by congenital ectopia. If the ectopic tissue occurs in the early embryo (that is, when the nerve sulcus is closed), the cyst is mostly located in the midline; If it occurs in the late stage (the second bulla formation stage), the cyst is mostly located in the lateral. A small number of epidermoid cysts can be caused by trauma, such as through the experimental injury of epithelial tissue implanted into the brain can form epidermoid cysts. Dermoid cyst is a rare congenital benign intracranial tumor. It consists of ectoderm and mesoderm, such as sweat glands, sebaceous glands, skin appendages, hair and whole skin layer, occasionally bone and cartilage. Symptoms of cerebral choroid cyst? Let's talk about it.

Symptoms of cerebral choroid cyst?

1. The course of disease is from several years to several decades. Although the tumor is large, even involving more than one lobe, its clinical symptoms can still be very mild, so in the past, it was reported that the average time from symptoms to treatment was 16 years. In recent years, it has been reported that the average time is five years. About 70% of the patients had a disease course of more than 3 years.

2. Accompanied with deformity, the disease can be accompanied by cutaneous fistula, spina bifida, syringomyelia, basal depression, etc. The specific form of epidermoid cyst is round nodular or oval mass with white belt and pearl luster. The capsule is complete, with calcification and smooth surface. The wall of the capsule is thin and translucent, the boundary is clear, and the blood supply is not rich. The contents of the cysts are caseous, slightly greasy, and accumulated by exfoliated cells. Due to the large amount of cholesterol crystals, the contents present a special luster. Through the thin and transparent wall of the cysts, the tumor has a special appearance. The boundary between the tumor and adjacent brain tissue is clear, but because the wall of the cysts is very thin and often extends into every corner and cistern, The deep capsule wall often adheres to some larger blood vessels and nerves or surrounds them in the tumor, which makes it difficult for tumor resection.

3. The clinical symptoms and signs of epidermoid cysts in different parts are also different. According to the origin of intracranial epidermoid cysts and their relationship with the vessels and choroid plexus of the skull base, they were divided into three groups: ① posterior sellar artery group or vertebrobasilar artery group; ② Suprasellar, parasellar or internal carotid artery group; ③ Symptoms and signs of epidermoid cysts in ventricle or choroid plexus

matters needing attention

Epidermoid cyst is a kind of benign tumor. It usually recovers well after operation. If most of the tumor can be removed, it usually recurres later and can be extended to several years or even decades. The prevention and treatment of postoperative complications is the key to reduce the mortality and disability rate. The operative mortality of cysts was as high as 70% in the first half of the 20th century. With the development of modern technology and the preference for subtotal cystectomy, the actual operative mortality is almost nonexistent.