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Abstract

CT evidence of mucosal thickening in the maxillary antra in patients with nasopharyngeal carcinoma.

E Avrahami, E Frishman and J Weiss-Peretz
American Journal of Neuroradiology March 1991, 12 (2) 275-278;
E Avrahami
Department of Diagnostic Radiology, Sourasky Medical Center, Ichilov Hospital, Tel-Aviv, Israel.
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E Frishman
Department of Diagnostic Radiology, Sourasky Medical Center, Ichilov Hospital, Tel-Aviv, Israel.
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J Weiss-Peretz
Department of Diagnostic Radiology, Sourasky Medical Center, Ichilov Hospital, Tel-Aviv, Israel.
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Abstract

CT scans of the maxillary antra in a group of 51 patients with nasopharyngeal carcinoma were compared with those of a control group of 50 patients. Inflammatory thickening of the antral mucosa was demonstrated in 39 of 42 patients with grade WHO (World Health Organization) 2 and 3 nasopharyngeal carcinoma. Biopsy of the antral mucosa in eight of these patients established inflammation and excluded the presence of nasopharyngeal carcinoma in the antrum. In a group of nine patients with WHO 1 tumors, the antral mucosa was normal. Thickening of the antral mucosa was observed in six patients of the control group. The inflammatory thickening of the antral mucosa in the patients with WHO 2 and 3 tumors was obviously more frequent than in the control group. This combination was not found in patients with WHO 1 tumors. The phenomenon cannot be explained by direct extension of nasopharyngeal carcinoma or obstruction of the maxillary osteum. The cause of the mucosal thickening may be immunologic, but remains unclear at this stage. The high frequency of inflammatory thickening of the antral mucosa observed in patients with WHO 2 and 3 tumors should encourage further investigation of causative factors in nasopharyngeal carcinoma.

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American Journal of Neuroradiology
Vol. 12, Issue 2
1 Mar 1991
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CT evidence of mucosal thickening in the maxillary antra in patients with nasopharyngeal carcinoma.
E Avrahami, E Frishman, J Weiss-Peretz
American Journal of Neuroradiology Mar 1991, 12 (2) 275-278;

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CT evidence of mucosal thickening in the maxillary antra in patients with nasopharyngeal carcinoma.
E Avrahami, E Frishman, J Weiss-Peretz
American Journal of Neuroradiology Mar 1991, 12 (2) 275-278;
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