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Year : 2014  |  Volume : 3  |  Issue : 1  |  Page : 51-53

Papillary microtumor of thyroid: Benign or aggressive?

Department of Pathology, Peoples Education Society Institute of Medical Sciences And Research, Kuppam, Chittor, Andhra Pradesh, India

Correspondence Address:
Akshatha S Kamath
Vignesh, 12th Cross, 2nd Main, T P Kailasam Road, Sapthagiri Extension, Tumkur-572 102, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2277-8632.128442

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Papillary carcinoma of thyroid is the most common type of thyroid malignancy. There are numerous histopathologic variants of papillary carcinoma of thyroid. Each variant shows a combination of specific growth patterns, cell types, and stromal changes. Metastases to cervical lymph nodes are very common. Papillary microtumor (PMiT) is an uncommon variant of papillary carcinoma of thyroid. It is usually an incidental finding at autopsies or in thyroidectomy or lobectomy specimens of benign disease. We report two cases of PMiT s with two different behaviors. The first case stresses the importance of extensive sampling of thyroidectomies for benign disease and the second case questions the nomenclature itself due to its metastatic potential. Whether the renaming of papillary microcarcinoma is justified and the role of ultrasound guided fine needle aspiration cytology (USG guided FNAC) in diagnosis of clinically non-apparent papillary carcinomas is addressed in this report.

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