PMC7518491_01
Contrast-enhanced T1-weighted image showing enhancing lesion of the left external auditory canal. No bony erosion was seen
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F1
The right EAC was normal [Figure 1].
(a) Photomicrograph showing well-differentiated squamous cell carcinoma of external auditory canal; (b-d) Photomicrograph showing Warthin Tumor intra-parotid lymph node composed of double-layered oncocytic epithelium in papillary architecture with a thin core containing lymphocytic infiltrate. Normal appearing lymph node structure is also seen
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F2
Stroma showed dense inflammatory reaction [Figure 2a]. Smaller node showed reactive changes, while the larger node showed double-layered oncocytic epithelium arranged in complex papillary architecture and thin core composed of lymphoid tissue [Figure 2b-d].
(a) Gross specimen of lateral temporal bone resection specimen; (b) postoperative picture of the patient 1 year and 11 months after surgery
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F3
Figure 3a shows the gross specimen of LTBR specimen. The operated site healed uneventfully with no evidence of recurrence 1 year and 11 months after surgery [Figure 3b].