Gallbladder visualization on Tc-99m-labeled red cell scintigraphy: A rare finding with an emphasis on role of single-photon emission computed tomography/computed tomography

Narvesh Kumar, Rani Kunti Randhir Singh, Deepanksha Dutta, Mudalsha Ravina, Subhash Chand Kheruka, Sanjay Gambhir

Indian Journal of Nuclear Medicine 2017 32(3):233-234

Tc-99m labeled red blood cell (RBC) scintigraphy is one of the most sensitive tests to diagnose occult gastrointestinal (GI) bleed. Visualization of gallbladder is a rare finding in this study. Most of the previously reported cases with similar false-positive finding were associated chronic renal failure, anemia, and received multiple blood transfusions. Thus, while interpreting GI bleed scan, a thorough clinical history is of utmost importance to avoid any false-positive findings. Here, we report a case of gallbladder visualization in 99mTc-RBC scintigraphy confirmed by single-photon emission computed tomography/computed tomography in a patient with chronic renal failure and anemia with failed renal transplant within 3 months.

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