Impact of socioeconomic status on the diagnosis to treatment interval in Waldeyer's ring carcinoma.

Objective: To examine the impact of socioeconomic status on the diagnosis to treatment interval in Waldeyer's ring cancers by comparing the experience of a public hospital and an academic tertiary care medical center.

Design: Retrospective review.

Setting: Otolaryngology clinic of a public hospital and an academic medical center.

Mycobacterial infections of the head and neck.

Mycobacterial infections are grouped into infections caused by M. tuberculosis and those caused by the atypical mycobacterial organisms. Tuberculosis is a systemic disease, with cervical lymphadenitis of the head and neck being the most common extrapulmonary manifestation of the disease.