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- Papillary and medullary thyroid carcinomas coexisting in the same lobe, first suspected based on fine-needle aspiration cytology: a case report
- Hyun Hee Koh, Young Lyun Oh
- J Pathol Transl Med. 2022;56(5):301-308. Published online September 13, 2022
- DOI: https://doi.org/10.4132/jptm.2022.08.03
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Abstract
PDF - Because different types of thyroid malignancies have distinct embryological origins, coexisting tumors are rarely observed. We describe a coexisting papillary thyroid carcinoma (PTC) and medullary thyroid carcinoma (MTC) first suspected by fine-needle aspiration cytology (FNAC). A 57-year-old female presented with an irregular mass in the right thyroid lobe. The cytopathologic findings of fine-needle aspiration showed two components: a papillary-like arrangement consisting of cells with pale enlarged nuclei indicative of PTC and loose clusters comprised of oval cells with granular chromatin indicative of MTC. The diagnosis of a coexisting PTC and MTC was initially confirmed by calcitonin immunocytochemistry and later after total thyroidectomy. Although some surgical case reports of PTC and MTC coexisting in either the same or different lobes have been documented, a case suspected by FNAC before the surgery has rarely been reported. Because appropriate treatment and prognosis of PTC and MTC are different, cytopathologists should be aware of this rare entity.
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Citations
Citations to this article as recorded by
- Synchronous papillary and medullary thyroid carcinoma with distinct genetic mutations: A case report
Huanyu Jiang, Lijuan Zhou, Gang Zou, Haidong Zhang, Zhenkun Yu
Oral Oncology.2025; 161: 107191. CrossRef - Dedifferentiated Leiomyosarcoma of the Uterine Corpus with Heterologous Component: Clinicopathological Analysis of Five Consecutive Cases from a Single Institution and Comprehensive Literature Review
Suyeon Kim, Hyunsik Bae, Hyun-Soo Kim
Diagnostics.2024; 14(2): 160. CrossRef - Coexisting Medullary and Papillary Thyroid Carcinomas: A Case of Dual Neoplasia With a High Risk of Misdiagnosis
Santiago Sierra Castillo, Maria A Henao Rincón, David Aristizabal Colorado, David Alexander Vernaza Trujillo, Alin Abreu Lomba
Cureus.2024;[Epub] CrossRef
- Synchronous papillary and medullary thyroid carcinoma with distinct genetic mutations: A case report
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