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Mucosal specimens from two children with rhinoscleroma have been investigated by light-, fluorescent- and electron microscopy. Amyloid-like protein was found, located not only in the vessel walls but also impregnated in the basic substance of the connective tissue. In this paper the genesis of this
The ultrastructure in 15 cases of scleroma was studied. The vacuoles of the Mikulicz cells had a definite limiting membrane containing two types of granular material, "A" considered to be antibody, and "B" considered antigenic. Inside the vacuoles infrequent beaded filamentous crystalloid structures
Some uncommon diseases may involve the central airways focally or diffusely. These include Wegener's granulomatosis, relapsing polychondritis, tracheobronchopathia osteochondroplastica, amyloidosis, papillomatosis, rhinoscleroma, sarcoidosis and tuberculosis. Related computed tomography (CT)
OBJECTIVE
To evaluate the application of Ni-Ti shape memory alloy stent for treating tracheal stricture, including its indications and complications.
METHODS
Forty-three patients clinical data were analyzed, among them, 15 suffered from tumor; 7 trauma; 4 granulation; 1 Wegener's granuloma, 2
Nonneoplastic diseases of the central airways are uncommon but can be categorized as either focal or diffuse, although there is some overlap. Focal diseases include postintubation stenosis, postinfectious stenosis, posttransplantation stenosis, and various systemic diseases that may involve the