The Utility of Immunohistochemistry in Differentiating Metastatic Primary Squamous Cell Carcinoma of the Thyroid from a Primary Lung Squamous Cell Carcinoma

<div>CT scan (coronal) showing gross deviation of the common carotid artery. The lack of fat plane suggests involvement of the carotid. The trachea is deviated but is not narrowed.</div>

Case Reports in Endocrinology

fig2

Figure 2

Figure 2: The Utility of Immunohistochemistry in Differentiating Metastatic Primary Squamous Cell Carcinoma of the Thyroid from a Primary Lung Squamous Cell Carcinoma 

Figure 2 | The Utility of Immunohistochemistry in Differentiating Metastatic Primary Squamous Cell Carcinoma of the Thyroid from a Primary Lung Squamous Cell Carcinoma 