A 45-Year-Old Woman Presents With Severe Back Pain; Examination Reveals Nephrolithiasis

Poll

A 45-year-old woman presented with severe back pain. After radiological and physical examination, the patient was found to have nephrolithiasis with marked hypercalcemia. In addition, a palpable mass in the right side of the neck was encountered. Surgical resection of the mass was performed.

What is the most likely diagnosis?

A. Papillary carcinoma of thyroid
B. Follicular carcinoma of thyroid
C. Follicular adenoma
D. Parathyroid carcinoma
E. Metastatic carcinoma of unknown origin