RT Journal Article SR Electronic T1 Frontal Sinus Mucocele Mimicking a Metastasis of Papillary Thyroid Carcinoma JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1022 OP 1024 VO 38 IS 7 A1 Matheja, Peter A1 Lerch, Hartmut A1 Schmid, Kurt Werner A1 Kuwert, Torsten A1 Schober, Otmar YR 1997 UL http://jnm.snmjournals.org/content/38/7/1022.abstract AB