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Extramedullary Hematopoiesis and Osseous Metaplasia in Thyroid Gland in Association with Papillary Thyroid Carcinoma: A Report of two Cases | ||
| Middle East Journal of Cancer | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 10 دی 1399 اصل مقاله (312.56 K) | ||
| نوع مقاله: Case Report | ||
| شناسه دیجیتال (DOI): 10.30476/mejc.2020.83426.1166 | ||
| نویسندگان | ||
Sohaila Fatima   1؛ Shaymaa Ahmed Sadek 2؛ Wajih Ahmed Siddiqui 3
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| 1Department of Pathology, King Khalid University, Abha, KSA | ||
| 2Department of Laboratory Medicine, Aseer Central Hospital, Abha, KSA | ||
| 3Hematology-Oncology Department, Aseer Central Hospital, Abha, KSA | ||
| چکیده | ||
| Bone marrow is known as the major site of hematopoiesis. It could occur in several other tissues both during fetal development and after birth. Extramedullary hematopoiesis (EH) is known to occur in the organs of reticuloendothelial system, mainly spleen and liver. It is very uncommonly seen and reported in thyroid normally in association with anemias and myeloid metaplasias. Papillary thyroid carcinoma (PTC) is the most common type of thyroid carcinoma and the most common endocrine malignancy. Herein, we reported two cases of PTC with osseous metaplasia and EH without any other underlying hematological disorders. Even though programmed EH is required to supplement the hematopoietic activity in the bone marrow, excessive and disease-associated EH can occur and mediate chronic inflammation. PTC with osseous metaplasia could be regarded as a unique subtype of thyroid carcinoma, which is more aggressive. Further studies are required in this regard so that PTC with osseous metaplasia could be considered as a prognostic marker. | ||
| کلیدواژه‌ها | ||
| Extramedullary hematopoiesis؛ Thyroid gland؛ Papillary carcinoma؛ Osseous metaplasia | ||
| اصل مقاله | ||
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This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination, and proofreading process, which may lead to differences between this version and the Version of Record. Please cite this article as doi:10.30476/mejc.2020.83426.1166 | ||
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