Oncohema Key

CONCLUSION Part of “CHAPTER 41 – UNUSUAL THYROID CANCERS“

METASTATIC CANCERS IN THE THYROID Part of “CHAPTER 41 – UNUSUAL THYROID CANCERS“ Clinically evident metastases to the thyroid are rare occurrences. They generally present as typical solitary thyroid nodules…

THYROID LYMPHOMA Part of “CHAPTER 41 – UNUSUAL THYROID CANCERS“ Classically, primary thyroid lymphomas occur in patients with Hashimoto thyroiditis and are usually non-Hodgkin B-cell lymphomas. Lymphomas include the “small…

THYROID TERATOMA Part of “CHAPTER 41 – UNUSUAL THYROID CANCERS“

THYROID SARCOMAS Part of “CHAPTER 41 – UNUSUAL THYROID CANCERS“ True sarcomas of the thyroid are quite rare and must be differentiated from anaplastic cancers with sarcomatoid features. Careful analysis…

MIXED MEDULLARY-FOLLICULAR AND MEDULLARY-PAPILLARY CARCINOMA Part of “CHAPTER 41 – UNUSUAL THYROID CANCERS“ Rarely, thyroid cancers may display features of both medullary and follicular carcinoma.42 These tumors are distinct from…

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…