Malignant Lymphoma or Metastatic Epithelial Tumors
A 50-year-old female noticed a palpable mass gradually enlarging in her right neck. MR imaging demonstrated a fused mass which was located in the right superior and mid-internal jugular lymph nodes, measuring 63 × 26 mm (Fig. 38.1a). Upon close examination of the whole body, including the pharyngeal and laryngeal region, no suspicious primary lesions were detected. The serum tumor markers examined were LDH, 256 U/L (106.0–211.0); sIL-2R, 758 U/mL (127–582); and SCC, 0.5 ng/mL (<1.5). A FNA cytology was applied.
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