Indications : A sputum examination is carried out on patients who show symptoms of TB. Sputum collection is done early in the morning. The patient must have eaten at least two hours before the test.

Indications : The test is ordered to identify the causative organism, when a patient presents with chronic upper respiratory tract infection. For the test, sputum located deep in the airways or throat ...

CYTOLOGIC study of sputum and bronchial washings has proved a valuable aid in the diagnosis of bronchogenic carcinoma of the lung. Mention is made in several reports of positive cytologic results in ...