Specimen adequacy and diagnostic specificity of ultrasound-guided fine needle aspirations of nonpalpable thyroid nodules.

Ultrasound-guided fine needle aspiration (USG-FNA) is a safe, effective, and dependable test used to assess thyroid nodules. However, the size of the lesion can adversely affect the outcome of the procedure. The aim of this study was to assess specimen adequacy and diagnostic specificity in USG-FNA of thyroid nodules measuring < or = 1.

Simultaneous diffuse sclerosis variant of papillary thyroid carcinoma and diffuse toxic hyperplasia (Graves' disease).

Diffuse sclerosis variant of papillary thyroid carcinoma (DSVPTC) is an unusual malignant neoplasm that typically permeates the entire gland resulting in diffuse thyroid enlargement. In the absence of a dominant nodule, DSVPTC can be histologically deceiving because of exuberant inflammation and the scattered distribution of the microscopic tumor islands. The difficulty in diagnosing this tumor is compounded by its rarity and unusual clinical and histologic features.

Solitary hepatic gastrinoma treated with laparoscopic radiofrequency ablation.

Background: This is a case of a solitary hepatic gastrinoma in a 65-year-old male. The patient was diagnosed with Zollinger-Ellison syndrome in 1991. He had negative radiologic and surgical explorations at that time.