Thaum kawg, qhov kawg ntawm txoj hlab pas muaj xws li distal ib nrab ntawm txoj hlab pas los ntawm txoj hlab ntsws bifurcation mus rau esophagogastric junction(32-40 cm ntawm cov pos hniav). Lub esophagus hla anterior mus rau lub aorta thiab los ntawm cov leeg nqaij diaphragm ntawm T10 qib thiab nkag mus rau hauv plab.
Dab tsi ntawm txoj hlab pas yog qhov esophagus distal?
Cov kab mob sib ze muaj cov kab mob esophageal sphincter (UES), uas suav nrog cov leeg nqaij cricopharyngeus thiab thyropharyngeus. Lub distal thoracic esophagus yog nyob rau sab laug ntawm nruab nrab.
Dab tsi yog qhov mob esophagitis?
Reflux esophagitis yog ib qho kev raug mob ntawm txoj hlab pas uas tshwm sim theem nrab rau retrograde flux ntawm plab hnyuv mus rau hauv txoj hlab pas. Clinically, qhov no yog hu ua gastroesophageal reflux kab mob (GERD). Feem ntau, tus kab mob reflux cuam tshuam nrog qhov distal 8-10 cm ntawm txoj hlab pas thiab lub plab zom mov.
Dab tsi ua rau mob esophagitis?
Ua rau mob esophagitis suav nrog plab kua qaub rov qab rau hauv txoj hlab pas, kab mob, tshuaj noj qhov ncauj thiab ua xua.
Yuav ua li cas ua rau thickening ntawm txoj hlab pas distal?
Lwm mediastinal malignancies as well as benign inflammatory, vascular, and fibrotic conditions such as reflux and monilial esophagitis, esophageal varices, and postirradiation scarring were found to thickened esophageal walls.