You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Dohlmans procedure is used for - and explain in detail?
Ans. is 'a' i.e., Zenkers diverticulum Treatment of zenker's diverticulum* Treatment is excision of pouch and cricopharyngealmyotomy. This is done through cervical approach.* Dohlman'sprocedure: - The partition wall bewteen the oesophagus and the pouch is divided by diathermy through an endoscope. This is done in poor risk debilitated patients.* Endoscopic laser treatmentIt is similar to Dohlman's procedure. Partition between the pouch and oesophagus is divided by CO2 laser using operating microscope.