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We present markedly decreased radioactivity in the right on a 99mTc-pertechnetate thyroid image in a patient with secondary lymphoma of the thyroid. At autopsy, the right lobe of the thyroid was replaced by lymphoma tissue. Markedly decreased radioactivity on the images may be explained by lymphoma cell infiltration or replacement of thyroid tissue with a resultant attenuation effect as well as interference of the trapping mechanism of the thyroid folicular cell. While cold areas in a radionuclide scintigram may present difficulties in interpretation, a high index of secondary lymphoma suspicion should be made by a combination of the scintigraphic findings and history of malignant lymphoma.
W J Shih, and
M L Cibull, and
R A Wahbrink, and
P A Domstad
January 2002,
Revista espanola de medicina nuclear,
W J Shih, and
M L Cibull, and
R A Wahbrink, and
P A Domstad
January 1997,
Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association,
W J Shih, and
M L Cibull, and
R A Wahbrink, and
P A Domstad
December 2013,
Clinical nuclear medicine,
W J Shih, and
M L Cibull, and
R A Wahbrink, and
P A Domstad
December 2011,
Journal of the College of Physicians and Surgeons--Pakistan : JCPSP,
W J Shih, and
M L Cibull, and
R A Wahbrink, and
P A Domstad
March 2002,
Sao Paulo medical journal = Revista paulista de medicina,
W J Shih, and
M L Cibull, and
R A Wahbrink, and
P A Domstad
March 1974,
Acta paediatrica Scandinavica,
W J Shih, and
M L Cibull, and
R A Wahbrink, and
P A Domstad
November 2018,
Clinical nuclear medicine,
W J Shih, and
M L Cibull, and
R A Wahbrink, and
P A Domstad
September 2017,
Clinical nuclear medicine,
W J Shih, and
M L Cibull, and
R A Wahbrink, and
P A Domstad
January 2023,
Hellenic journal of nuclear medicine,
W J Shih, and
M L Cibull, and
R A Wahbrink, and
P A Domstad
January 2004,
Clinical nuclear medicine,
