Osteosarcoma in the Thyroid Gland.

Primary osteosarcomas are rarely seen in areas other than bone, although they can occur in sites such as the thigh, anal region, hand, etc. We present a case of primary extraskeletal osteosarcoma of the thyroid, of which there are only 29 previous reported cases. Presentations and treatment options for this type of tumor vary.

Metastatic HPV-Mediated Adenocarcinoma Arising from a Base of Tongue Primary: A Case Report with Cytomorphology and Molecular Findings with Review of the Literature.

Human papillomavirus (HPV)-mediated squamous cell carcinomas of the oropharynx are common, however only rare cases of HPV-mediated oropharyngeal adenocarcinoma have been reported to date. In this report, we describe a 50 year old nonsmoking male who originally presented with an enlarging neck mass. Fine needle aspiration cytology confirmed an HPV-mediated adenocarcinoma.