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Analysis of 58 cases of sebaceous adenoma treated by liquid nitrogen cryotherapy

Time: 2020-09-11 10:03 Source: unknown Author: Bander liquid nitrogen tank Click: second
From January 2005 to December 2006, 58 cases of sebaceous adenoma were treated with liquid nitrogen cryotherapy. The clinical effect was satisfactory. liquid nitrogen tank
  
1. Data and methods
1.1 general information
There were 40 males and 18 females, 5 patients aged less than 10 years, 25 patients aged 10-30 years, and 28 patients over 30 years old. Tumor location: forehead and face in 21 cases, auricle and scalp in 32 cases, abdomen and toe in 5 cases.
1.2 method
The cotton swab was dipped in liquid nitrogen and directly contacted with the freezing method. According to the size and depth of the tumor, take appropriate pressure, lasting for 30 s each time, which is a freeze-thaw period. Each treatment lasts for 2-3 freeze-thaw periods. The wound surface should be kept clean and dry after operation. The scab should be allowed to fall off naturally and can not be removed manually. If there is exudation on the wound surface, apply 1% gentian violet three times a day, plus antibiotics. After treatment, the patient can return to the hospital one week after treatment.
  
2 Results
After one treatment, the glands disappeared in 20 cases. 38 cases of sebaceous adenoma were multiple or more than 2cm in diameter. The skin color of 2-3 cases was white or light pink with scar formation.
  
Discussion 3
Most of the tumors were nodular, irregular, irregular, and irregular in size. The tumor was composed of a simple, irregular, nodular, nodular, nodular, nodular, nodular, nodular, nodular, nodular, nodular, nodular, nodular, nodular, nodular, nodular, nodular, nodular, nodular, nodular, nodular, nodular, nodular, nodular, nodular, nodular, nodular, nodular, nodular, nodular, nodular, nodular, nodular, nodular, irregular, irregular, irregular. Sebaceous adenoma is sensitive to cryotherapy because it is easy to bleed, infect or cause other changes after repeated extrusion.
According to the research and clinical observation, after cryotherapy, the primary epidermis becomes thinner, the stratum corneum and the growth layer are released, the tissue is cooled rapidly in a short time, the lesion is ischemic, and the tissue cells are necrotic, so as to cure the tumor. Liquid nitrogen is a colorless, bromine free, odorless liquid, which is safe and cheap. It has the advantages of quick effect, simple operation, light trauma, less pain, fewer complications and quick postoperative recovery. It can be treated in outpatient department. In the cryotherapy, we should pay attention to the patients' age, gender, tumor size, location and depth. We should be skilled in operation, moderate dosage of freezing, and pay attention to anti infection and local protection after freezing. The treatment effect is satisfactory, and adverse reactions can be avoided and reduced. liquid nitrogen tank

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