ABSTRACT
Tracheobronchopathia Osteochondroplastica (TO) is a rare disease of the trachea characterized by the development of submucosal cartilaginous and bony nodules. The nodules are usually located at the anterior and lateral walls and sometims on the posterior membranous wall. Clinically, the manifestations of TO vary from the incidentally detected asymptomatic to life threatening diseases with airway obstruction. Bronchoscopy is a useful diagnostic tool and radiographic studies also play an important role in the diagnosis of TO. The treatment of TO is reserved for the symptomatic lesion with severe airway narrowing and the prevention of recurrent respiratory infections.
Subject(s)
Airway Obstruction , Bronchoscopy , Osteochondrodysplasias , Rare Diseases , Respiratory Tract Infections , Trachea , Tracheal DiseasesABSTRACT
Malignant melanoma originates from melanocytes which are derived from the neural crest. These melanocytes are found in the basal layer of the epidermis. Malignant melanoma of the parotid gland is very rare, and when they are found, most of them are a metastasized form of a cutaneous primary lesion in the head region. We experienced one case of primary parotid melanoma which was metastasizing to the appendix two years later. We report it with a review of literature.