Ga-67 scanning is more sensitive than routine chest radiography for detection of both TB parenchymal lung involvement and adenopathy. Ga-67 imaging facilitates the choice of biopsy sites by identifying accessible peripheral nodes. Typical patterns in recent cases of TB differ significantly from the upper lobe predilection of classical TB.
Patients with gastroesophageal reflux (GER) present to the head and neck specialist with a myriad of nonspecific complaints that may be manifestations of pharyngoesophageal or upper airway involvement. Numerous diagnostic tests for GER have been used in the past with varying success. In the present study, gastroesophageal scintigraphy using 99mtechnetium-sulfur colloid was used to evaluate 28 patients with head and neck manifestations of GER. The role of gastroesophageal scintigraphy as an accurate and noninvasive method of detecting GER is discussed in the context of other current diagnostic modalities.
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