Unusual Variant of Papillary Thyroid Carcinoma: Cribriform Morular Variant: A Clue to Underlying Intestinal Polyposis

Cribriform-morular variant of papillary thyroid carcinoma (CMV of PTC) is a distinctive histological variant of thyroid cancer, which on histopathological examination shows presence of cribriform, follicular, papillary, trabecular pattern and presence of squamous morules. These tumors are known to be associated with familial adenomatous polyposis (FAP), but can also arise sporadically in non-FAP patients. We report a case of CMV of PTC in a 35 year old female for its rarity, which alerted us to an underlying intestinal polyposis. The diagnosis of this variant should alert to the possibility of an underlying intestinal polyposis and be investigated for.

Author(s): Kanthilatha Pai, Swati Sharma and Ranjini Kudva

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