PT - JOURNAL ARTICLE AU - Jumper, Jacque R. AU - Fischbein, Nancy J. AU - Kaplan, Michael J. AU - Klein, Harvey Z. AU - Dillon, William P. TI - The “Small, Dark Tonsil” in Patients Presenting with Metastatic Cervical Lymphadenopathy from an Unknown Primary DP - 2005 Feb 01 TA - American Journal of Neuroradiology PG - 411--413 VI - 26 IP - 2 4099 - http://www.ajnr.org/content/26/2/411.short 4100 - http://www.ajnr.org/content/26/2/411.full SO - Am. J. Neuroradiol.2005 Feb 01; 26 AB - Summary: When squamous cell carcinoma (SCC) involves the palatine tonsils, they are generally enlarged and demonstrate intermediate to high signal intensity on T2-weighted MR images and enhance after gadolinium administration. We have identified two patients with SCC of the tonsil where the affected tonsil has low signal intensity on T2-weighted MR images and is smaller than the contralateral normal tonsil. We present the “small, dark tonsil” as an alternative imaging presentation of SCC and a new sign to look for when evaluating the patient with metastatic lymphadenopathy from an unknown primary tumor.