Metastatic Adenocarcinoma of the Frontal Sinus

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Abstract
PRIMARY carcinoma of the frontal sinus occurs infrequently and metastatic involvement of the area would appear to be exceedingly rare. There is no reported case of adenocarcinoma metastatic to the frontal sinus. In 1931 Copeland1 did record an instance of carcinoma of the lung with frontal bone metastasis. Geschickter and Maseritz2 in 1939 also encountered a single patient with frontal bone involvement among 356 patients with skeletal metastases. A patient with adenocarcinoma of the sigmoid metastatic to the left frontal bone was reported by Bertin3 in 1944. Primary carcinoma of the frontal sinus is an unusual malignancy. Sciarra and Hallberg4 in 1956 noted that a total of 90 cases of squamous cell carcinoma of the frontal sinus had been reported up to that time. The series of both Ringertz5 and Watson6 suggest that the frontal is the site of primary epidermoid carcinoma of the