PMC5316438_01
Ultrasonography showing a large heterogeneously echoic mass.
CRIM2017-5670429.001.jpg
PMC5316438_01_CRIM2017-5670429.001.jpg
fig1
Neck ultrasonography revealed a large heterogeneous echoic (cystic) mass in the left lateral neck (Figure 1) and computed tomography revealed a 3.3 x 5.6 cm sized thick-walled cystic lesion along left levels II, III, and IV (Figure 2).
Computed tomography showing a 3.3 x 5.6 cm sized thick-walled cystic lesion.
CRIM2017-5670429.002.jpg
PMC5316438_01_CRIM2017-5670429.002.jpg
fig2
Neck ultrasonography revealed a large heterogeneous echoic (cystic) mass in the left lateral neck (Figure 1) and computed tomography revealed a 3.3 x 5.6 cm sized thick-walled cystic lesion along left levels II, III, and IV (Figure 2).
Cytologic features of the collected fluid by fine-needle aspiration (x200).
CRIM2017-5670429.003.jpg
PMC5316438_01_CRIM2017-5670429.003.jpg
fig3
Cytologic examination of the dark brown colored fluid collected from the lesion by fine-needle aspiration showed many neutrophils and macrophages in necrotic background, but there was no evidence of malignancy (Figure 3).
(a) Panoramic view of the resected node which contains the papillary carcinoma and necrotic debris (H&E stain, x25). (b) Histological characteristics of the papillary cancer (H&E stain, x200). (c) Histological characteristics of the abscess (H&E stain, x100). (d) Histological characteristics of the papillary cancer (H&E stain, x100).
CRIM2017-5670429.004.jpg
PMC5316438_01_CRIM2017-5670429.004.jpg
fig4
Microscopic examination of the lymph node mass showed massive necrosis and immunohistochemistry clearly showed that the mass was a metastatic papillary carcinoma (Figure 4).