PMC:3945237 / 14698-15014 JSONTXT

{"project":"2_test","denotations":[{"id":"24778812-9259251-24198593","span":{"begin":172,"end":174},"obj":"9259251"}],"text":"Bone scintigraphy equipped with a pinhole collimator has greater sensitivity for diagnosing AVN than bone scintigraphy using a high-resolution parallel-hole collimator [17,18]. The image obtained is magnified, allowing better visualization of small structures and improving detection of scintigraphic abnormalities.\n"}