Case Report

Undifferentiated Malignant Neoplasm Involving Parotid and Thyroid: Sampling and PAX8 Cross-Reactivity Can Obscure the Diagnosis of Lymphoma

Figure 1

CT images of neck mass (a) demonstrating diffuse thyroid mass with tracheal luminal compression and left parotid mass (b) with central necrosis.
(a) CT neck
(b) CT parotid