Ahuja Sana, Singh Priyanka, Ratnakar Ankita, Zaheer Sufian
Department of Pathology, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, India.
Indian J Otolaryngol Head Neck Surg. 2024 Feb;76(1):1147-1152. doi: 10.1007/s12070-023-04188-0. Epub 2023 Aug 31.
Collision tumor comprise of existence of two histologically distinct and separate neoplasms in any organ. Thyroid gland is an uncommon site for these tumors, with frequently involved organs being liver, adrenal and stomach. Even among the synchronous tumors of thyroid, papillary and medullary carcinoma are most commonly reported. The present case reports a rare presentation of a collision tumor comprising of papillary and follicular carcinoma with scalp metastasis from the follicular carcinoma and lymph nodal metastasis from the papillary component. It is essential for the clinician to be aware of such an entity so as to guide further treatment and management.
碰撞瘤是指在任何器官中存在两种组织学上不同且相互分离的肿瘤。甲状腺是这些肿瘤的罕见发生部位,常见受累器官为肝脏、肾上腺和胃。即使在甲状腺同步肿瘤中,最常报道的是乳头状癌和髓样癌。本病例报告了一种罕见的碰撞瘤表现,由乳头状癌和滤泡状癌组成,其中滤泡状癌发生头皮转移,乳头状成分发生淋巴结转移。临床医生必须了解这种情况,以便指导进一步的治疗和管理。