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Indian Journal of Pathology and Oncology


Extramedullary hematopoiesis in thyroid gland: A rare case report


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Author Details: Deepti Gupta, Shalija Kotwal, Jyotsna Suri

Volume : 3

Issue : 2

Online ISSN : 2394-6792

Print ISSN : 2394-6784

Article First Page : 354

Article End Page : 357


Abstract

Background: Extramedullary hematopoiesis is known to occur mainly in the organs of reticuloendothelial system. It is very rare for EMH to occur in thyroid nodule without any haematological abnormality.
Case: A 71 year healthy male presented with 3 month history of dysphagia to solids. Clinical examination revealed thyroid nodule measuring 1 cm in diameter in right lobe of thyroid gland. FNAC was performed and microscopic examination showed presence of hematopoietic elements of all the three lineages in the background of benign thyroid follicular epithelial cells. We are reporting this case because of it’s rarity as, no case of EMH with thyroid nodule causing only dysphagia with no haematological abnormality has ever been reported till date.
Conclusion: EMH can present as thyroid nodule with only complaint of difficulty in swallowing with normal haematological parameters. Identification of giant cells as megakaryocyte helps in diagnosis of EMH.

Keywords:
Extramedullary hematopoiesis, FNAC, Hematopoietic elements, Thyroid gland, Thyroid nodule