PMC4775774_01
Axial computed tomography image of radiation recurrent glottic cancer shows no evidence of invasive disease into the thyroid cartilage prior to initial salvage surgery.
CRIOT2016-2706463.001.jpg
PMC4775774_01_CRIOT2016-2706463.001.jpg
fig1
The recurrent tumor was initially staged as rT1a with normal vocal cord mobility (Figure 1).
Low magnification (20x) hematoxylin and eosin pathological photomicrograph showing squamous cell carcinoma invading into ossified cartilage.
CRIOT2016-2706463.002.jpg
PMC4775774_01_CRIOT2016-2706463.002.jpg
fig2
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).