Saudi medical journal · 2008
Clinicopathological pattern of malignant parotid gland tumors in Saudi Arabia.
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Al-Naami Mohammed Y, Guraya Salman Y, Arafah Maha M, Al-Zobydi Abdu H, Al-Tuwaijri Talal A
Аннотация
OBJECTIVE: To report our experience of varied presentations and diverse histopathological spectrum of parotid gland malignancies.
METHODS: This retrospective analysis incorporated patients with histological evidence of malignant parotid tumors at King Khalid University Hospital, Riyadh, Saudi Arabia over a 20-year period from 1984 through 2004. The medical records of these patients were analyzed for their demographic characteristics, clinical features, operations performed, and pathological diversity.
RESULTS: Thirty-two patients comprised this study group. There is a male preponderance over females with a ratio of 2.2:1 (22 men and 10 women) and mean age of 51.8 (range 28-81 years). A painless lump was the most frequent clinical manifestation observed in 23 (71.8%) patients followed by facial nerve dysfunction in 14 (43.7%) patients. Parotidectomy was performed in 22 (68.7%) patients: 16 superficial and 6 total. A partial facial nerve sacrifice was undertaken in 14 (43.7%), and total nerve sacrifice in 9 (28.1%) patients. Four (12.5%) patients presented with cervical lymph node metastases necessitating radical neck dissection. Nine (28.1%) patients had mucoepidermoid carcinoma, 8 (25%) adenoid cystic carcinoma, 6 (18.7%) adenocarcinoma, not otherwise specified, and 2 (6.2%) were reported to have carcinoma in pleomorphic adenoma. Twenty (62.5%) specimens revealed high-grade aggressive lesions, and out of these, 19 (59.3%) patients presented with stage III/IV disease.
CONCLUSION: Malignant parotid tumors are exceedingly rare, occurring at a relatively earlier age group with male preponderance, and invariably declare at a late clinical stage in our community. Histopathological features hallmark a locally advanced disease with an aggressive behavior.
METHODS: This retrospective analysis incorporated patients with histological evidence of malignant parotid tumors at King Khalid University Hospital, Riyadh, Saudi Arabia over a 20-year period from 1984 through 2004. The medical records of these patients were analyzed for their demographic characteristics, clinical features, operations performed, and pathological diversity.
RESULTS: Thirty-two patients comprised this study group. There is a male preponderance over females with a ratio of 2.2:1 (22 men and 10 women) and mean age of 51.8 (range 28-81 years). A painless lump was the most frequent clinical manifestation observed in 23 (71.8%) patients followed by facial nerve dysfunction in 14 (43.7%) patients. Parotidectomy was performed in 22 (68.7%) patients: 16 superficial and 6 total. A partial facial nerve sacrifice was undertaken in 14 (43.7%), and total nerve sacrifice in 9 (28.1%) patients. Four (12.5%) patients presented with cervical lymph node metastases necessitating radical neck dissection. Nine (28.1%) patients had mucoepidermoid carcinoma, 8 (25%) adenoid cystic carcinoma, 6 (18.7%) adenocarcinoma, not otherwise specified, and 2 (6.2%) were reported to have carcinoma in pleomorphic adenoma. Twenty (62.5%) specimens revealed high-grade aggressive lesions, and out of these, 19 (59.3%) patients presented with stage III/IV disease.
CONCLUSION: Malignant parotid tumors are exceedingly rare, occurring at a relatively earlier age group with male preponderance, and invariably declare at a late clinical stage in our community. Histopathological features hallmark a locally advanced disease with an aggressive behavior.