International medullary thyroid carcinoma grading system: an Indian tertiary care centre experience.

Introduction: Medullary carcinoma (MTC) is a rare neuroendocrine thyroid neoplasm. The international medullary thyroid carcinoma grading scheme (IMTCGS), which has prognostic significance, has been introduced recently. The present study graded MTC cases using the IMTCGS and evaluated it in our study cohort.

Pseudovascular Adenoid Squamous Cell Carcinoma of Buccal Mucosa-a Rare Aggressive Variant.

Pseudo-vascular adenoid squamous cell carcinoma (PASCC) is an uncommon histological variant. It is characterized by an acantholysis of the tumor cells and the formation of anastomosing spaces and channels. It gives a false appearance of glandular differentiation mimicking angiosarcoma.