Figure Legend
Figure 1
A, Initial CT scan showed low-density lesion behind the oropharynx without contrast enhancement.
B, Follow-up CT scan showed a rapid increase in the size of the low-density lesion (asterisk) with increased subcutaneous fat density (arrows).
C, Ecchymosis of the anterior neck and chest appeared.
D, Macro specimen of enlarged left parathyroid adenoma (7 x 6 x 4 mm).