Related Experiment Video
Updated: Aug 5, 2026

Learning Modern Laryngeal Surgery in a Dissection Laboratory
Published on: March 18, 2020
Juvenile laryngeal papillomatosis: a new complication
K C Anderson1, T M Roy, C L Fields
1Division of Respiratory and Environmental Medicine, University of Louisville School of Medicine, KY.
Abstract:
Extension of juvenile papillomas to the lung parenchyma is unusual. When it occurs, the patient's prognosis worsens because these lesions destroy lung tissue as they grow. Respiratory complications eventually occur in the presence of multiple nodular and cystic lesions due to the attendant parenchymal destruction. We have observed that pneumothorax can occur after the development of cystic pneumatoceles, presumably from the ball valve effect of a nodular lesion (Fig 3).
Related Concept Videos
Larynx
Anatomy of the Larynx
The larynx consists of various components, including cartilage, muscles, and vocal cords. Its structure includes three large unpaired cartilages—the thyroid, cricoid, and epiglottis—and three smaller paired cartilages—the arytenoids, corniculates, and...
Tracheostomy Care II: Procedure
Step 1: Perform hand hygiene, and put on personal protective equipment: gown, gloves, mask and...
Esophageal Perforation-II: Clinical Manifestations and Management
Clinical Manifestations:
Esophageal Strictures-I: Introduction
Etiology
The primary cause of esophageal strictures is long-standing gastroesophageal reflux disease (GERD), accounting for about 70 to 80% of adult cases. Chronic acid reflux can lead to injury and scarring of the esophageal lining, culminating in...
Esophageal Strictures-II: Clinical Features and Management
Healthcare providers should gather a comprehensive medical history and conduct a physical examination for diagnosis. If esophageal stricture is...
Pyloric Obstruction

