Where does an Ear, Nose, and Throat (ENT) specialist perform a procedure to drain pus from the maxillary sinus in a patient with maxillary sinusitis?

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Đáp án chính xác là A. Thành ngoài ngách mũi dưới (lateral wall of the inferior meatus). Khi bác sĩ tai mũi họng thực hiện dẫn lưu mủ từ xoang hàm ở một bệnh nhân viêm xoang, họ thường tiếp cận xoang qua thành ngoài ngách mũi dưới. Vị trí này cung cấp tiếp cận trực tiếp đến khoang xoang hàm. Thủ thuật, được gọi là chọc xoang hàm hoặc dẫn lưu xoang hàm, liên quan đến việc tạo một lỗ nhỏ qua thành xương mỏng này để cho phép dẫn lưu mủ tích tụ.

  • Ưu điểm của phương pháp này là xương tương đối mỏng tại vị trí này, làm cho việc tiếp cận khoang xoang dễ dàng hơn với tổn thương tối thiểu.
  • Ngách mũi dưới nằm dưới turbinate dưới, và phương pháp phẫu thuật này bỏ qua lỗ tự nhiên của xoang hàm, nằm cao hơn ở ngách mũi giữa và có thể bị tắc bởi viêm trong các trường hợp viêm xoang.
  • Không có bằng chứng cụ thể từ các nghiên cứu 1, 2, 3, 4, 5 chỉ ra vị trí khác nên được ưu tiên cho thủ thuật này.

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