Clinicopathological pattern of malignant parotid gland tumors in Saudi Arabia

To report our experience of varied presentations and diverse histopathological spectrum of parotid gland malignancies. 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. 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. 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

Validity of leukocyte count to predict the severity of acute appendicitis

To ascertain whether white blood cell [WBC] count with differential analysis may predict severity of disease in acute appendicitis. We conducted this retrospective study on appendectomy patients from 1996 to 2001, at King Khalid University Hospital, Riyadh, Kingdom of Saudi Arabia. We reviewed patient's age, gender, duration of symptoms, temperature on admission, WBC count including differential and the histological diagnosis of the appendicular specimen. We further analyzed the data of those patients found to have acute, gangrenous and perforated appendicitis to determine the correlation between a high WBC count and a more advanced form of appendicitis. Out of an aggregate of 232 patients, 162 were males and 70 females with a mean age of 23.7 years [range, 12-70 years]. Mean duration of symptoms was 1.9 +/- 1.1 days, mean temperature 37.8 +/- 1.4 degree celcius, with reported elevated WBC count in 167 [71.9%] and normal in 65 [28.1%] cases. Mean WBC counts in acute were 14.5 +/- 7.3 x 109/L, gangrenous 17.1 +/- 3.9 x 109/L and perforated appendicitis 17.9 +/- 2.1 x 109/L. This reflected a persistently higher WBC count in the complex [gangrenous, perforated] appendicitis compared with acute appendicitis [p less than 0.05]. The differential analysis showed neutrophilia in 123 [53%] and lymphopenia in 112 [48%] cases and out of these, 116 [94%] with neutrophilia and 107 [95%] with lymphopenia were reported to have appendicitis. A high WBC with differential count is a reliable indicator of the severity of appendicitis and signifies a more advanced stage