Is thyroid scintigraphy necessary before I-131 therapy for hyperthyroidism. Concise Communication
To assess the value of routine thyroid scintigraphy in the differential diagnosis of hyperthyroidism and as a guide to I-131 therapy, the authors prospectively examined 100 consecutive hyperthyroid patients referred for a 24-hr radioiodine uptake and I-131 therapy. The nuclear medicine physician recorded his preimaging diagnostic impression and therapeutic plan for each patient. After the (/sup 99m/Tc) pertechnetate image, the patient was reassessed to determine whether the image induced any change in the diagnosis or therapeutic plan. Seventy-nine of 80 patients with diffuse goiter to palpation, had scintigrams demonstrating no discrete focal defects and were diagnosed as Graves' disease; thus the scintigram did not contribute useful information. In 17 of 20 patients with uninodular or multinodular goiters, the image was necessary to clarify the final diagnosis and therapeutic plan. Thus, selective use of thyroid scintigraphy should decrease the number of scintigrams performed before I-131 therapy for hyperthyroidism, without compromising diagnostic accuracy or therapeutic success.
- Research Organization:
- William Beaumont Hospital, Royal Oak, MI
- OSTI ID:
- 6982964
- Journal Information:
- J. Nucl. Med.; (United States), Journal Name: J. Nucl. Med.; (United States) Vol. 25:6; ISSN JNMEA
- Country of Publication:
- United States
- Language:
- English
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62 RADIOLOGY AND NUCLEAR MEDICINE
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BODY
COUNTING TECHNIQUES
DAYS LIVING RADIOISOTOPES
DIAGNOSIS
DIAGNOSTIC TECHNIQUES
DISEASES
ENDOCRINE DISEASES
ENDOCRINE GLANDS
GLANDS
HOURS LIVING RADIOISOTOPES
HYPERTHYROIDISM
INTERMEDIATE MASS NUCLEI
IODINE 131
IODINE ISOTOPES
ISOMERIC NUCLEI
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
MEDICINE
NUCLEAR MEDICINE
NUCLEI
ODD-EVEN NUCLEI
ORGANS
OXYGEN COMPOUNDS
PERTECHNETATES
PLANNING
RADIOISOTOPE SCANNING
RADIOISOTOPES
RADIOLOGY
RADIOTHERAPY
SCINTISCANNING
TECHNETIUM 99
TECHNETIUM COMPOUNDS
TECHNETIUM ISOTOPES
THERAPY
THYROID
TRANSITION ELEMENT COMPOUNDS
YEARS LIVING RADIOISOTOPES