Squamous cell carcinoma on a pleomorphic adenoma with amyloid stroma of the palate

Revue de stomatologie et de chirurgie maxillo-faciale
C ChaariT Sellami Boudawara

Abstract

Squamous cell carcinoma ex-pleomorphic adenoma (CXAP) is a malignant and rare mixed tumor. We report a new case. A seventy-year-old woman consulted for a mass in the left hemi-face having evolved over the last 20years. The physical examination revealed a hard and large tumor invading all the palate. Computed tomography revealed a heterogeneous 8.5cm long maxillary mass. The diagnosis of CXAP was made on a biopsy. A histological study confirmed the diagnosis after surgical resection of the tumor, specifying its noninvasive character. CXAP is generally located in the parotid gland; it is very rarely located in the palate. The degenerated epithelial component generally corresponds to an adenocarcinoma or an undifferentiated carcinoma; squamous-cell carcinoma is more rarely reported. The prognosis is excellent for the micro and noninvasive types. Surgery remains the treatment of choice.

References

Oct 2, 2007·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·Toshiaki Kunimura
Jun 24, 2008·Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics·Catherine EscandeBlandine Ruhin-Poncet

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