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Effect of Mobile Cell Phone Ringing on Function of Gamma Camera

Azizmohammadi, Zahra, MD*; Baharfar, Nastaran, MD*; Javadi, Hamid, MD; Shafiei, Babak, MD*; Delavari, Sareh, MD*; Babaei, Ali Akbar, MD*; Ahmadi, Abdolmohsen, MSc; Assadi, Majid, MD§; Neshandarasli, Isa, MD*

doi: 10.1097/RLU.0b013e3182335e46
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After the start of renal scintigraphy in a 32-year-old woman, there was an abnormal view in frame 6 that was simultaneous with the start of ringing of a mobile cell phone that was in the patient's trousers pocket. In frame 6 of the flow phase, some bright dots were observed, suggesting photomultiplier tubes. Immediately after that frame, in spite of continued ringing of the mobile cell phone (up to 1–2 minutes), the imaging frames came back to a normal situation. In the case, electromagnetic interference from the mobile cell phone may disrupt the photoelectric functioning of photomultiplier tubes during scintigraphy.

From the *Department of Nuclear Medicine, Taleghani Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran; †Golestan Research Center of Gastroenterology and Hepatology (GRCGH), Golestan University of Medical Sciences (GUOMS), Gorgan, Iran; ‡Telecommunication Company of Bushehr, Bushehr, Iran; and §The Persian Gulf Nuclear Medicine Research Center, Bushehr University of Medical Sciences, Bushehr, Iran.

Received for publication February 24, 2011; revision accepted June 13, 2011.

Conflicts of interest and sources of funding: none declared.

Reprints: Majid Assadi, MD, The Persian Gulf Nuclear Medicine Research Center, The Persian Gulf Biomedical Sciences Institute, Bushehr University of Medical Sciences, Boostan 19 Alley, Sangi Street, Bushehr, Iran. E-mail: or

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