Neuroendocrine tumors (NETs) of the thyroid gland are generally considered to be derived from parafollicular endocrine or C cells and are known as medullary thyroid carcinomas. Non–calcitonin-producing NETs of the thyroid are extremely rare in occurrence and pose a significant diagnostic dilemma for the physician and pathologist. We describe a case of a 58-year-old woman who was diagnosed as having primary NET thyroid with normal calcitonin levels and 68Ga DOTANOC PET-CT scan findings which were done for initial extent evaluation of the disease.
From the Departments of *Nuclear Medicine and PET-CT
†Pathology, All India Institute of Medical Sciences, New Delhi, India.
Received for publication February 19, 2019; revision accepted May 28, 2019.
Conflicts of interest and sources of funding: none declared.
Correspondence to: Rakesh Kumar, MD, PhD, Diagnostic Nuclear Medicine Division, Department of Nuclear Medicine, All India Institute of Medical Sciences, New Delhi 110029, India. E-mail: firstname.lastname@example.org.
Online date: July 8, 2019