Riedel’s Thyroiditis: Misdiagnosed Case on Fine Needle Aspiration Cytology- a lesson to learn!

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Professor, Consultant Pathologist, American Board Certified Pathologist, Fellow College of American Pathologists. Areas of interest Fine Needle Aspiration Cytology, Cytology, Cancer, Ethics, Islam, Humanity

Riedel’s Thyroiditis: Misdiagnosed Case on Fine Needle Aspiration Cytology- a lesson to learn!

Mubashira Hashmi and Sanaullah Gazozai
Department of Pathology, Basic Medical Sciences Institute
Jinnah Postgraduate Medical College Karachi

Abstract: Reidel’s thyroiditis is a rare form of chronic thyroiditis, in which fibro inflammatory process destroys
the thyroid partially or completely. It involves the surrounding tissue like skeletal muscles, vessels, trachea,
esophagus and upper mediastinum. These “infiltrative features” compounded with some inflammatory atypia may
lead to mistaken diagnosis of malignancy! Here we describe such a misdiagnosed case. Final diagnosis of Reidel’s
thyroiditis was made on histopathological examination of the sub-total thyroidectomy specimen. We suggest that if
a patient is presenting with the features of thyroid malignancy, Reidel’s thyroiditis should be keep in mind as a
differential diagnosis.
Key Words: Reidel’s thyroiditis, Thyroiditis, Fine Needle Aspiration Cytology

         

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