Multiple early morning specimens (typically 3-5) improve the yield of sputum cytology for lung cancer detection because they increase the chance of capturing exfoliated malignant cells, which may be shed intermittently. Early morning samples contain material accumulated overnight in the lungs. Other factors include proper collection technique (deep cough, not saliva), prompt processing, use of mucolytic agents, and experienced cytopathological interpretation. Studies show sensitivity increases from about 40% with one sample to 60-80% with multiple samples. This is particularly important in screening high-risk populations like heavy smokers.

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Zambia

• Joseph Soko – 101 pts

• Visual Pathway Lesions
• Positive and Negative Symptoms
• Hallucinations and Delusions
• Antipsychotic Medications
• Emergency: Environmental Emergencies