Abstract
BACKGROUND: Simultaneous occurrence of medullary and papillary carcinoma in thyroid gland occurs in only 1% of cases.
CASE PRESENTATION: We present a case of a 28 years old female patient with no previous history of radiation to head and neck and no family history of carcinoma with an asymptomatic neck swelling for 4 years. The FNAC was suspicious of MTC. Patient underwent total thyroidecomy and modified radical neck dissection. Histopathology reported MTC and PTC as collision tumour.
CONCLUSION: Recognition of concurrent medullary and papillary thyroid carcinoma is important for appropriate management and folow up.