[Computed tomography-guided transthoracic biopsy after negative fiber-optic endoscopy; apropos of 134 patients].

Purpose: To evaluate the diagnostic accuracy of transthoracic needle biopsy (TNB) in patients being treated for cancer in order to compare results from small and large pulmonary nodules and to study the efficiency of pathology versus cytology analysis.

Patients And Methods: 141 consecutive CT-guided TNBs were performed in 134 patients. Cancer had been diagnosed in all cases.

[Hypopharyngeal cancer in the Northern region and Pas-de-Calais. Epidemiological factors].

Authors report results of two epidemiological studies concerning hypopharynx cancer. The first one is a part of the head and neck cancer registry of Northern France from 1984 to 1987. Hypopharynx tumors represent 18% of the 6019 registered tumors, 99% are squamous cell carcinoma; the annual european standardized incidence rate is 17.

[Cancer of the upper aerodigestive tract. Global study of 2418 cases].

The authors present the general results of a retrospective study on 2418 patients treated between 1976 and 1980. Primaries were located on buccopharynx in 51% of cases, pharyngolarynx in 45% and nasopharynx or nasal and paranasal cavities in 4%. Two out of 3 tumours were classified T3 T4 (UICC 1979) and 1 out of 2 patients presented with palpable cervical lymph nodes.