Oncocytic carcinoma of the maxillary sinus: a rare neoplasm.
Oncocytic neoplasms are tumors composed of oncocytes (i.e., epithelial cells with a large cytoplasm that is rich in mitochondria). Most cases are benign and originate from the major salivary glands, while the minor salivary glands are rarely involved. Occurrence of oncocytic carcinoma (or malignant oncocytoma) within the sinonasal tract is an unusual event. We report a rare case of maxillary sinus oncocytic carcinoma occurring in a 45-year-old male. Biopsy was consistent with an unspecified salivary gland neoplasm. The patient underwent total maxillectomy through a lateral rhinotomic approach; hard palate reconstruction with temporal myofascial flap was performed. Definitive histology was consistent with oncocytic carcinoma. Due to the local extension of the lesion, postoperative radiotherapy (60 Gy) was delivered. Three years after surgery, the patient is free from disease. A brief analysis of the literature was also accomplished in order to discuss treatment options and prognosis of this unusual neoplasm.
Lombardi
Davide
D
Department of Otorhinolaryngology, University of Brescia, Piazza Spedali Civili 1, 25123, Brescia, Italy.
Piccioni
Michela
M
Farina
Davide
D
Morassi
Maria Laura
ML
Nicolai
Piero
P
D018249:Adenoma, Oxyphilic / Q000175:diagnosis* / Q000532:radiotherapy / Q000601:surgery; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D008444:Maxillary Sinus Neoplasms / Q000175:diagnosis* / Q000532:radiotherapy / Q000601:surgery; D008875:Middle Aged; D035583:Rare Diseases; D014057:Tomography, X-Ray Computed