Resumen de Physiological expression of pancreatic somatostatin receptors in 99mTc-HYNIC-TOC scintigraphy

Leticia de la Cueva Barrao, María José Sangrós Sahun, Lina López Vélez, Pablo Navarro Beltrán, Luis Sarría Octavio de Toledo, Mª Soledad Álvarez Ruiz, María Dolores Abós Olivares, P. Lloro

• Purpose To describe the frequency of head and/or pancreas uncinate process uptake of 99mTc-HYNIC-TOC, to study its nature, and analyze its diagnostic value.

  Materials and methods Retrospective evaluation of 47 consecutive 99mTc-HYNIC-TOC examinations was conducted. Head and/or pancreas uncinate process uptake was considered to be physiological in patients with normal CT at the same episode and in follow-up. It was analyzed if age or diabetes mellitus was justifying the existence or not of uptake.

  Results 32.5% patients showed uptake; 73% of them were mild. 84.6% patients with uptake have no pathology and 4% had neuroendocrine pancreatic disease at CT. Neither the age nor the diabetes mellitus established differences in patients without lesion.

  Conclusions Near one-third of patients show physiological uptake by head and/or pancreas uncinate process at 99mTc-HYNIC-TOC scintigraphy. It seems that neither the diabetes nor the ages are factors that determine this physiological uptake.