Laryngeal Rosai-Dorfman Disease (Sinus Histiocytosis with Massive Lymphadenopathy): A Retrospective Study of 5 Cases

Table 2

The clinical features of larynges for the 5 RDD cases with laryngeal involvement.

Case number	Onset of laryngeal symptoms	Sites of laryngeal involvement	Events leading to discovery of laryngeal involvement	Sites of extranodal involvement
1	Hoarse voice	Glottis and subglottic region	Laryngoscopy due to hoarse voice	Skin
2	NA	Subglottic region	Laryngoscopy due to nasal obstruction	Nasal cavity
3	Hoarse voice	Glottis and subglottic region	Laryngoscopy due to hoarse voice	Nasal cavity, pharynx, submandibular gland
4	NA	Glottis and subglottic region	Routine laryngoscopy	Nasal cavity, pharynx
5	Hoarse voice and suffocation	Glottis and subglottic region	Routine laryngoscopy	NA