Oncohema Key

MUCOEPIDERMOID CARCINOMA Part of “CHAPTER 41 – UNUSUAL THYROID CANCERS“

SQUAMOUS CELL CARCINOMA OF THE THYROID Part of “CHAPTER 41 – UNUSUAL THYROID CANCERS“ Primary squamous cell carcinoma of the thyroid is defined by the WHO classification as a tumor…

DIFFUSE SCLEROSING PAPILLARY THYROID CANCER Part of “CHAPTER 41 – UNUSUAL THYROID CANCERS“ Although initially described in 1953,35 the diffuse sclerosing variant of papillary cancer was first formally defined in…

COLUMNAR CELL VARIANT OF PAPILLARY CARCINOMA Part of “CHAPTER 41 – UNUSUAL THYROID CANCERS“ Columnar cell variant is similar to TCV in that it appears to be a dedifferentiated subtype…

TALL CELL VARIANT OF PAPILLARY CARCINOMA Part of “CHAPTER 41 – UNUSUAL THYROID CANCERS“ The tall cell variant of papillary cancer (TCV) was first identified in a subgroup of papillary…

POORLY DIFFERENTIATED (“INSULAR”) CARCINOMA Part of “CHAPTER 41 – UNUSUAL THYROID CANCERS“ Insular thyroid carcinoma was originally described as Wuchernde Struma20 and later became known as insular carcinoma because of…

ANAPLASTIC THYROID CARCINOMA Part of “CHAPTER 41 – UNUSUAL THYROID CANCERS“ Anaplastic cancer is a rare, aggressive malignancy with mean survival rates of <1 year. These tumors are comprised of…

UNUSUAL THYROID CANCERS Matthew D. Ringel Approximately 10% of thyroid cancers are either poorly differentiated epithelial tumors or nonepithelial malignancies that are included in the World Health Organization (WHO) classification…

MEDULLARY THYROID CARCINOMA Part of “CHAPTER 40 – THYROID CANCER“ Medullary thyroid carcinoma (MTC), first recognized in 1959, is a pleomorphic neoplasm with amyloid struma that arises from the calcitonin-secreting…

FOLLICULAR THYROID CARCINOMA Part of “CHAPTER 40 – THYROID CANCER“ PREVALENCE Follicular thyroid carcinoma accounts for ˜5% to 10% of all thyroid cancers in the United States.11 It occurs at…