title: Occult papillary thyroid carcinoma metastasis to the sacrum and the skull: an unusual presentation.
abstract: This case represents occult follicular variant of papillary thyroid carcinoma (FVPTC) with large metastasis to the sacrum. The patient, a 42-year-old female, presented after hemithyroidectomy for benign follicular adenoma with lower back pain associated with fever and sweating. A lytic lesion of the left sacral bone was found on the CT with biopsy showing metastatic carcinoma with morphology and immunophenotype of thyroid gland primary tumor proven to be FVPTC. The patient had completion thyroidectomy with benign pathology.
authors.affiliation: Department of Surgery, Division of Surgical Oncology, Tawam Hospital, Al Ain, Abu Dhabi, UAE.
authors.forename: Fatima S
authors.initials: FS
authors.lastname: Jouhar
authors.affiliation: Department of Surgery, Division of Surgical Oncology, Tawam Hospital, Al Ain, Abu Dhabi, UAE.
authors.forename: Asif
authors.initials: A
authors.lastname: Quadri
authors.affiliation: Department of Surgery, Division of Surgical Oncology, Tawam Hospital, Al Ain, Abu Dhabi, UAE.
authors.forename: Bachar
authors.initials: B
authors.lastname: Afandi
authors.affiliation: Department of Surgery, Division of Surgical Oncology, Tawam Hospital, Al Ain, Abu Dhabi, UAE.
authors.forename: Sadir
authors.initials: S
authors.lastname: Al Rawi