case_images: PMC4775774_01
case_images: Axial computed tomography image of radiation recurrent glottic cancer shows no evidence of invasive disease into the thyroid cartilage prior to initial salvage surgery.
case_images: CRIOT2016-2706463.001.jpg
case_images: PMC4775774_01_CRIOT2016-2706463.001.jpg
case_images: fig1
case_images: The recurrent tumor was initially staged as rT1a with normal vocal cord mobility (Figure 1).
case_images: Low magnification (20x) hematoxylin and eosin pathological photomicrograph showing squamous cell carcinoma invading into ossified cartilage.
case_images: CRIOT2016-2706463.002.jpg
case_images: PMC4775774_01_CRIOT2016-2706463.002.jpg
case_images: fig2
case_images: Although surgical margins were free of disease, the lesion was found to invade the thyroid cartilage on final pathology, prompting it to be restaged as rT4a (Figure 2).