3D Printed Lymphoma of the Thyroid

3D Printed Lymphoma of the Thyroid Clinical History A 68-year old woman presented with a small hard lump in the thyroid. During the following six weeks, there was progressive rapid enlargement of the mass leading to laryngeal stridor and oesophageal obstruction, which were the terminal features. No lymph nodes were enlarged and there was no splenomegaly. PathologyThe larynx, thyroid, upper trachea and oesophagus are included in the specimen. The enlarged left lobe and to a lesser degree, the right lobe of the thyroid, are replaced by homogeneous pale tumour tissue. Stretched over the lateral margin of the left lobe is the common carotid artery. Note on the internal aspect how the larynx is compressed and the oesophagus virtually disappears into the bulk of the tumour. The histological appearance of the tumour was consistent with lymphoblastic lymphoma of the thyroid. The rarity of this tumour makes it necessary to exclude the diagnosis of anaplastic carc