<p>The term ‘collision tumor’ refers to the coexistence of two or more adjacent or intermixed histologically distinct and morphologically independent malignant tumors in the same location. A 59-year-old Turkish man patient with no known comorbidities presented to the hospital with a palpable mass in the neck. On physical examination, a thyroid nodule was detected. The patient underwent total thyroidectomy. After histopathological and immunocytochemical studies, the nodule was classified as a collision tumor composed of a Papillary Thyroid Carcinoma Follicular Subtype and an Minimally Invasive Oncocytic Thyroid Carcinoma. Due to the paucity of available research on the thyroid collision tumos and given the difficulties in reporting and monitoring these patients, more knowledge for patient in the management guidelines.</p>