mainstem bronchus

mainstem bronchus

Either of two (right and left) bronchi which continue from the trachea and in turn give rise to lobar (secondary) bronchi.
References in periodicals archive ?
They tend to lodge in the main or lobar bronchi, with the right mainstem bronchus being the most common location given its more vertical course.
The second method involves a single-lumen endotracheal tube with an endobronchial blocker (bronchial blocker) to occlude the mainstem bronchus on the operative side (1).
Barium swallow imaging indicated mild esophageal dysmotility, nasopharyngoscopy identified a pulsatile midline mass in the nasopharynx, and bronchoscopy detected severe laryngomalacia and mild compression of the left mainstem bronchus.
Spleens and lung-associated lymph nodes from the mainstem bronchus were collected and gently homogenized in RPMI medium supplemented with 10% fetal calf serum, 2 mM L-glutamine, 20 mM Hepes buffer, 5 x [10.
Bronchoscopy was performed and showed blood clots in the right mainstem bronchus, but there was no active bleeding.
A foreign body was not suspected by the parents; however, initial chest radiography revealed a suspicious lesion in the proximal, right, mainstem bronchus (figure 1).
The left lung of each deceased individual was cannulated through the left mainstem bronchus and inflation-fixed with 2% glutaraldehyde at a hydrostatic pressure of 30 cm of water for a period of 2 hr from a constant-pressure gravity apparatus.
7) Type IIB is defined by a complete absence of the right bronchial tree, with the right lung being supplied by a bridging bronchus from the left mainstem bronchus.
The patient underwent stenting of both her esophagus and right mainstem bronchus.
A ruptured abdominal aneurysm is straightforward, but what about a thyroid cyst(s), or a Bosniak type 2 renal cyst, or a deep ulcerated atherosclerotic plaque without intramural blood, or "something" half-way occluding a mainstem bronchus that is probably mucous, but could be a tumor in the wall?
Some cases of involvement of the right pulmonary lobe and left mainstem bronchus have been reported.
When a foreign body enters an airway, it most commonly lodges in the right mainstem bronchus.