International Journal of Physical Medicine & Rehabilitation
Open Access
ISSN: 2329-9096
+44 1300 500008
ISSN: 2329-9096
+44 1300 500008
Department of Medicine, University of Connecticut, School of Medicine, Farmington, CT, United States
Case Report
Riedel's Thyroiditis Presenting as Rapidly Progressive Hypothyroidism: A Case Report and Literature Review
Author(s): Narinder Maheshwari*, Jeffrey Boakye, Zeng Francine R, Malchoff Carl, Appel Elizabeth, Niranjan Varalakshmi, Mortensen Eric and Millar Danielle
Objective: Riedel’s Thyroiditis (RT) is a rare thyroid pathology that presents a challenge for clinicians to diagnose and treat. Its etiology remains unknown, although data suggests an association with Hashimoto thyroiditis, systemic fibrosis, and IgG-4 related systemic disease. Due to its rarity, there is no consensus on treatment. We present a case of progressive hypothyroidism and a rapidly growing thyroid mass prior to diagnosis of RT.
Methods: Laboratory investigations included Thyroid Stimulating Hormone (TSH), free T4, Anti-Thyroid Peroxidase (TPO) and Anti-Thyroglobulin (TG) antibodies, IgG, Parathyroid Hormone (PTH), calcium, and calcitonin levels. Imaging included thyroid ultrasound and chest Computed Tomography (CT). Following fine needle aspiration and core biopsy, immunostaining and flow cytometry were performed.
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