PMC8553508_01
Computed tomography scan of the neck. (a) Axial and (b) coronal views showing a large lobulated partial rim-enhancing hypodense lesion with internal septation in the deep space of the left neck.
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Computed tomography of the neck with contrast (Figure 1) revealed a large lobulated partially rim-enhancing hypodense lesion size (5.3 x 10 x 15.8 cm) with internal septation involving the retropharyngeal space, orohypopharynx, larynx, and left lobe of the thyroid gland.
Pathology of the resected soft tissue of the neck showing (a) the presence of papillary thyroid carcinoma in the background of necrotic tissue (H&E, 20x). Pathology of the cervical lymph node showing (b) the presence of metastatic papillary thyroid carcinoma tumor (H&E, 400x).
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However, PTC was found in the pathology of the necrotic tissue and one left cervical lymph node (Figure 2).
Ultrasound of the thyroid gland showing (a) a large heterogenic hypoechoic mass occupying the entire left thyroid lobe with no hypervascularity and (b) an enlarged left cervical lymph node with cystic necrosis.
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After incision and drainage, ultrasound showed a 5 cm heterogenic hypoechoic mass with some cystic portion occupying the entire left thyroid lobe (Figure 3(a)). Multiple enlarged left cervical lymph nodes with cystic necrosis were seen (Figure 3(b)).