Nuclear machine studies Indication: inactive intermittent, small/questionable CFS leak Leaks not revealed by CT cysternography. Detect presence rather than precise localization. Radio isotopes introduced in CSF by Lumbar Puncture /suboccipital
Biopsy of the nasopharynx is considered the first necessary investigation for Nasopharyngeal carcinoma (NPC) if a suspicious lesion is formed. Ideally this should be carried out during the patients first
It represent the new phase in the development of endoscopy. Contact endoscopy is a new method for studying disease of the head and neck which clearly shows the cell morphology