Conjunctival Bowen's Disease Resection

Bowen's disease, also known as intraepithelial neoplasia, is a precancerous lesion. Can be seen in middle-aged or elderly, often caused by local irritation. Most of the lesions are located in the temporal conjunctiva, which is round, triangular or of different shapes. It is often gray and white. The blood vessels are rosy for a long time. The surface is flat, the texture is thick and thick, and it is gelatinous. It has special blood vessels. The blood vessels are fine capillaries, which branch upwards and downwards, and are perpendicular to the surface of the tumor. In some cases, vascular spheres may appear. Treatment of diseases: conjunctivitis Indication Conjunctival Bowen's disease resection is applicable to: 1. When the tumor is confined to the epithelium, separation is not difficult, and a simple separation can be performed. 2. Non-recurring cases. Contraindications 1. Wide range of lesions and recurrence. 2. Multiple lesion areas, surgical removal is not clean. Radiation therapy can be used for the above conditions. Surgical procedure 1. Under the operating microscope, cut from the normal bulbar conjunctiva (5 mm from the lesion edge) and cut to the superficial sclera with a sharp knife. 2. Continue to peel under the superficial sclera until the normal tissue of 3 ~ 4 mm in the cornea. 3. Cut off the exfoliated tissue, including the tumor and its marginal normal tissue. Send a frozen biopsy to confirm that the tumor is completely removed during surgery. 4. According to the conjunctival and superficial scleral defect range, the lip mucosa was transplanted and fixed on the sclera. 5. Corneal and limbal scleral defect surface exposure. 6. Ballside injection of gentamicin 20,000 U, dexamethasone 2.5 mg, drip compound honey eye drops, 1% atropine eye ointment and antibiotic eye ointment.

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