Abstract
We experienced a case in a 54-year-old female having duplicated early esophageal cancer and thyroid cancer heterochronously.
The patient had operated on for thyroid cancer 12 years ago and undergone left lateral neck dissection for cervical recurrence of thyroid cancer 11 years ago.
She complainted of cervical discomfort when she ate something last year, and underwent endoscopic examination three times a year. Three times examinations suggested an esophageal cancer and she was admitted to our hospital. Furthermore, a left cervical lymphnode swelling was found. Close examination led to a diagnosis of epithelial esophageal cancer. Cervical lymphnode swelling was diagnotic of recurrence of thyroid cancer because there was no lymphnode metastasis in epithelial esophagial cancers emprically. Under the diagnosis we performed blunt dissection and lymphatectomy. Resected specimen revealed that the left cervical swelling was papirally adenoma and esophageal cancer was in an early stage with depth of ep.
Double primary cancer of thyroid cancer and esophageal cancer, especially in an early stage, is extremely rare, and perhaps this case may be the first reported in Japan.
