In this chapter, I describe the available diagnostic procedures and tests of the structure and function of the Eustachian tube system. In other chapters in this text, I briefly refer to many of these procedures in describing certain aspects of the anatomy, physiology, and pathophysiology of Eustachian tube function and dysfunction and the tubal system’s role in pathogenesis of otitis media and ...

The presence of surfactant proteins was investigated in the human organ of Corti, Eustachian tube and kidney tissues. It has previously been shown that lamellar bodies are present in hairy cells of organ of Corti, in the cytoplasm of secretory and lumen of tubal glands of Eustachian tube and kidney renal basement membrane. No evidence for the presence of surfactant proteins in the organ of Cort...

Title: Meniere’s disease with patulous eustachian tubes Background: Meniere’s disease (MD) is considered to be a multifactorial disease. Although there are some previous reports on the relationship between MD and stenotic eustachian tube (ET), there are a few reports evaluating MD and patulous ET. The study aimed to investigate whether MD would have patulous ET or not. Methods and Findings: Son...

OBJECTIVE We report three cases of recurrent, unilateral facial palsy associated with air travel. METHOD The three cases are presented, along with a brief literature review concerning barotrauma and its association with air travel and facial palsy. RESULTS All three patients experienced unilateral facial paralysis during air travel, accompanied by additional symptoms which varied between ca...