Biopsy of conjunctival tissue

This is an automatically translated article.

The article was professionally consulted by an eye doctor - Department of Examination & Internal Medicine - Vinmec Hai Phong International General Hospital
Conjunctival biopsy is surgery to remove a part of conjunctival tumor tissue for histopathological examination to diagnose the disease. Eye conjunctivitis if not detected early and treated effectively can cause many serious consequences.

1. What is a conjunctival tumor?

Ocular conjunctival tumor is one of the diseases of the cornea, this is a condition in which a tumor occurs in the cornea. Tumors arising from the conjunctiva can be benign or malignant, affecting the aesthetics or affecting the function of the conjunctiva, obstructing vision. People divide eye conjunctiva into 4 types:
1.1 Stemless papilloma This type of tumor often occurs in young people. The basic feature of pedunculated tumors is the appearance of many small papillary lesions that grow in clusters or singly, with a pale pink color.
1.2 Stem papilloma papilloma papilloma is represented by proliferation of multilobed epithelium, each lobe has a central blood vessel like a strawberry, surrounded by squamous cells, a layer of cells. Nonkeratinized squamous epithelium contains some mucinous cells, which are prone to dysplasia.
1.3 Conjunctival mucinous tumor The cause can be congenital or acquired. The basic feature is the proliferation of conjunctival epithelial cells forming a mucinous cavity.
1.4 Conjunctival melanoma Common location in the conjunctiva of the eyeball, brown, asymptomatic. U little change in size and color. Follow-up does not require treatment.
To check the condition and classify the tumor for effective treatment, people often use conjunctival biopsy method.

2. Conjunctival biopsy procedure

Conjunctival biopsy is indicated when conjunctival neoplasms are suspicious for cancer. Contraindicated in cases of systemic conditions that do not allow surgery.
The person performing the conjunctival biopsy is an ophthalmologist with many years of experience.
2.1. Before conjunctival biopsy, it is necessary to prepare surgical microscope. Conjunctival surgery kit Drugs: An anesthetic mixed with epinephrine. Sample container with formol or bouin. The patient is carefully explained before surgery. Sedation before surgery. Instruct to fast for general anesthesia in case anesthesia is required for biopsy. 2.2. Steps to conduct conjunctival biopsy

Administer local or general anesthesia where necessary. Perform a partial resection of tumor tissue about 3 - 5mm in diameter. Biopsy of the map in the case of determining the spread of the tumor. Click biopsy. Hemostasis with heat. Apply eye patch. Soak the tumor tissue in the preservative solution. 2.3. After surgery, it is necessary to monitor the bleeding status. In the eye: Monitor vision, intraocular pressure, pupillary reflex. Body as a whole: General condition: Pulse, temperature, blood pressure. Conjunctival neoplasms are tumors arising from the conjunctiva and can be benign or malignant. Eye conjunctival tumors, if not detected early and treated effectively, can cause many serious complications. Therefore, when detecting a conjunctival tumor, the ophthalmologist can perform surgery to remove the tumor or take a part of the tumor (biopsy) and then do pathological examination.
Conjunctival biopsy helps to understand the status and progression of conjunctival tumors, thereby providing timely treatment to avoid possible bad complications.

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