Thyroid Follicular Cell-derived Carcinomas in a Background of Multiple Adenomatous Nodules Leading to a Diagnosis of PTEN Hamartoma Tumor Syndrome in an Adult Patient With a Novel RECQL4 Mutation

¹Amador Valley High School, Oakland, CA, U.S.A.;
²Department of Otolaryngology-Head and Neck surgery, Kaiser Permanente Sacramento Medical Center, Sacramento, CA, U.S.A.;
³Department of Endocrinology, Kaiser Permanente Sacramento Medical Center, Sacramento, CA, U.S.A.;
⁴Head and Neck Pathology Consultations, Woodland Hills, CA, U.S.A.;
⁵Department of Pathology and Laboratory Medicine, Kaiser Permanente Sacramento Medical Center, Sacramento, CA, U.S.A.

Correspondence to: Jinping Lai, MD, Ph.D., Department of Pathology and Laboratory Medicine, Kaiser Permanente Sacramento Medical Center, Sacramento, CA 95825, U.S.A. Tel: +1 9169737260, Fax: +1 9169737283, e-mail: Jinping.x.lai{at}kp.org