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Thymoma and thymic carcinoma, collectively termed thymic epithelial tumors (TETs), are relatively rare tumors arising from the

Thyroid cancer includes the following four main types: Papillary. Follicular. Medullary. Anaplastic. For clinical management of

Epidemiology. Kaposi sarcoma (KS) was first described in 1872 by the Hungarian dermatologist, Moritz Kaposi. From that time until

Pituitary tumors account for 10% to 25% of all intracranial neoplasms. Depending on the study cited, pituitary tumors can be

Incidence and Mortality. Melanoma of the uveal tract (iris, ciliary body, and choroid) is rare, but it is the most common primary

Melanoma is a malignant tumor of melanocytes, which are the cells that make the pigment melanin and are derived from the neural

Tumors of many histologies can occur in the nasopharynx, but only nasopharyngeal carcinomas (also called NPC) are covered in this

Diagnosis. The diagnosis of an occult primary tumor is made only when no primary tumor is detected after careful search and when a

Incidence and Mortality. Salivary gland tumors are a morphologically and clinically diverse group of neoplasms, which may present

Epidemiology. Cancer of the hypopharynx is uncommon; approximately 2,500 new cases are diagnosed in the United States each year.[